{"id":2730,"date":"2023-10-18T09:58:03","date_gmt":"2023-10-18T01:58:03","guid":{"rendered":"https:\/\/uniasen.com\/?page_id=2730"},"modified":"2024-09-04T09:20:54","modified_gmt":"2024-09-04T01:20:54","slug":"astm-a178","status":"publish","type":"page","link":"https:\/\/uniasen.com\/id\/standar\/astm-a178\/","title":{"rendered":"ASTM A178"},"content":{"rendered":"  <div id=\"page-header-1173729915\" class=\"page-header-wrapper\">\n  <div class=\"page-title dark featured-title\">\n\n        <div class=\"page-title-bg\">\n      <div class=\"title-bg fill bg-fill\"\n        data-parallax-container=\".page-title\"\n        data-parallax-background\n        data-parallax=\"-\">\n      <\/div>\n      <div class=\"title-overlay fill\"><\/div>\n    <\/div>\n    \n    <div class=\"page-title-inner container align-center flex-row medium-flex-wrap\" >\n              <div class=\"title-wrapper flex-col text-left medium-text-center\">\n          <h1 class=\"entry-title mb-0\">\n            ASTM A178          <\/h1>\n        <\/div>\n                    <div class=\"title-content flex-col flex-right text-right medium-text-center\">\n        <div class=\"title-breadcrumbs pb-half pt-half\"><\/div>      <\/div>\n    <\/div>\n\n     \n<style>\n#page-header-1173729915 .title-bg {\n  background-image: url(https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-carbon-steel-pipe-manufacturer-header.webp);\n}\n<\/style>\n  <\/div>\n    <\/div>\n  \n\t<div id=\"gap-722833941\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-722833941 {\n  padding-top: 4%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<section class=\"section\" id=\"section_1553804206\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row align-middle align-center\"  id=\"row-701251123\">\n\n\t<div id=\"col-525207628\" class=\"col medium-11 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_680448729\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/erw_pipe_manufacturer_erw_welded_pipe_UNIASEN.webp\" class=\"attachment-original size-original\" alt=\"erw_pipe_manufacturer_erw_welded_pipe_UNIASEN\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/erw_pipe_manufacturer_erw_welded_pipe_UNIASEN.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/erw_pipe_manufacturer_erw_welded_pipe_UNIASEN-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/erw_pipe_manufacturer_erw_welded_pipe_UNIASEN-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/erw_pipe_manufacturer_erw_welded_pipe_UNIASEN-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_680448729 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-743628958\" class=\"col medium-12 small-12 large-6 medium-col-first\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>ASTM A178<\/h2>\n<p><strong>Standard Overview:\u00a0<\/strong><\/p>\n<p>ASTM A178 specifies the requirements for electric resistance welded (ERW) carbon steel and carbon manganese steel boiler and superheater tubes.\u00a0<\/p>\n<p><strong>Main Material:\u00a0<\/strong><\/p>\n<p>The main materials are carbon steel and carbon manganese steel. The designated grades include: Grade A, Grade C and Grade D.\u00a0<\/p>\n<p><strong>Scope of Application:\u00a0<\/strong><\/p>\n<p>This standard applies mainly to high temperature and high pressure. It is for things like boilers, superheaters, and heat exchangers.\u00a0<\/p>\n<a href=\"#is-pop\" class=\"button primary\"  style=\"border-radius:10px;\">\n\t\t<span>Request A Quote<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1553804206 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_398853110\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1488995363\">\n\n\t<div id=\"col-821349577\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Specification of ASTM A178<\/h2>\n<table>\n<thead>\n<tr>\n<th>Standard<\/th>\n<th>ASTM A178\/A178M<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Procedure<\/td>\n<td><span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/uniasen.com\/products\/erw-pipe\">ERW<\/a><\/span><\/td>\n<\/tr>\n<tr>\n<td>Dimensions<\/td>\n<td>12.7mm-127mm, 1\/2&#8243;-5&#8243;<\/td>\n<\/tr>\n<tr>\n<td>Thickness<\/td>\n<td>0.9mm &#8211; 9.1mm<\/td>\n<\/tr>\n<tr>\n<td>Unit Length<\/td>\n<td>3 &#8211; 12 mtrs<\/td>\n<\/tr>\n<tr>\n<td>Steel Grade<\/td>\n<td>ASTM A178 Gr. A, ASTM A178 Gr. C, ASTM A178 Gr. D<\/td>\n<\/tr>\n<tr>\n<td>Surface Coating<\/td>\n<td>Black lacquer coating,Varnishing, Oiling, Hot Dip Galvanizing, FBE, 2PP, 3PP, 2PE, 3PE<\/td>\n<\/tr>\n<tr>\n<td>End Type<\/td>\n<td>Plain, Bevelled, Threaded, Grooved\uff0cShouldered<\/td>\n<\/tr>\n<tr>\n<td>Joint Method<\/td>\n<td>Fitting, Flange, Coupling, Clamp, Pipe Shoulder, Welding<\/td>\n<\/tr>\n<tr>\n<td>Pipe Machining<\/td>\n<td>Welding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_398853110 {\n  padding-top: 5px;\n  padding-bottom: 5px;\n}\n@media (min-width:550px) {\n  #section_398853110 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_156702034\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1101966546\">\n\n\t<div id=\"col-1955076122\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\t<div id=\"gap-1383175513\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1383175513 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-3974782446\" class=\"text\">\n\t\t\n<h2>Steel Grades of ASTM A178<\/h2>\n\t\t\n<style>\n#text-3974782446 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"text-1318531882\" class=\"text\">\n\t\t\n<p>We offer ASTM A178 boiler tubes in three distinct steel grades:<\/p>\n\t\t\n<style>\n#text-1318531882 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row align-equal\"  id=\"row-2038663531\">\n\n\t<div id=\"col-201710491\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t<a href=\"#\" >\t\t\t<div class=\"image-zoom image-cover\" style=\"padding-top:75%;\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/welding_galvanized_pipe_supplier_UNIASEN.webp\" class=\"attachment- size-\" alt=\"welding_galvanized_pipe_supplier_UNIASEN\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/welding_galvanized_pipe_supplier_UNIASEN.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/welding_galvanized_pipe_supplier_UNIASEN-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/welding_galvanized_pipe_supplier_UNIASEN-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/welding_galvanized_pipe_supplier_UNIASEN-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n\t<div id=\"gap-513489291\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-513489291 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n<h4>Grade A (low-carbon steel)<\/h4>\n<p>Mainly used for low temperature and medium pressure boiler and superheater tubes.<\/p>\n<a href=\"#is-pop\" class=\"button primary is-outline\"  style=\"border-radius:9px;padding:5px 20px 5px 20px;\">\n\t\t<span>Quote now<\/span>\n\t<\/a>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-793052674\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t<a href=\"#\" >\t\t\t<div class=\"image-zoom image-cover\" style=\"padding-top:75%;\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/erw_steel_pipe_erw_pipe_manufacturer_UNIASEN.webp\" class=\"attachment- size-\" alt=\"erw_steel_pipe_erw_pipe_manufacturer_UNIASEN\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/erw_steel_pipe_erw_pipe_manufacturer_UNIASEN.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/erw_steel_pipe_erw_pipe_manufacturer_UNIASEN-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/erw_steel_pipe_erw_pipe_manufacturer_UNIASEN-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/07\/erw_steel_pipe_erw_pipe_manufacturer_UNIASEN-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n\t<div id=\"gap-840338928\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-840338928 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n<h4>Grade C (medium-carbon steel)<\/h4>\n<p>Suitable for boiler and superheater tubes at high temperature and high pressure.<\/p>\n<a href=\"#is-pop\" class=\"button primary is-outline\"  style=\"border-radius:9px;padding:5px 20px 5px 20px;\">\n\t\t<span>Quote now<\/span>\n\t<\/a>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1690211177\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\t<div class=\"box has-hover   has-hover box-text-bottom\" >\n\n\t\t<div class=\"box-image\" >\n\t\t\t<a href=\"#\" >\t\t\t<div class=\"image-zoom image-cover\" style=\"padding-top:75%;\">\n\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1000\" height=\"750\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN.webp\" class=\"attachment- size-\" alt=\"ERW_pipe_supplier_carbon_steel_pipe_UNIASEN\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/06\/ERW_pipe_supplier_carbon_steel_pipe_UNIASEN-16x12.webp 16w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\t\t<\/div>\n\n\t\t<div class=\"box-text text-center\" >\n\t\t\t<div class=\"box-text-inner\">\n\t\t\t\t\n\t<div id=\"gap-1671216376\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1671216376 {\n  padding-top: 10px;\n}\n<\/style>\n\t<\/div>\n\t\n<h4>Grade D (carbon-manganese steel)<\/h4>\n<p>Suitable for high temperature and high pressure boiler and superheater tubes.<\/p>\n\t<div id=\"gap-724953632\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-724953632 {\n  padding-top: 0px;\n}\n@media (min-width:550px) {\n  #gap-724953632 {\n    padding-top: 25px;\n  }\n}\n@media (min-width:850px) {\n  #gap-724953632 {\n    padding-top: 0px;\n  }\n}\n<\/style>\n\t<\/div>\n\t\n<a href=\"#is-pop\" class=\"button primary is-outline\"  style=\"border-radius:9px;padding:5px 20px 5px 20px;\">\n\t\t<span>Quote now<\/span>\n\t<\/a>\n\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n\t\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_156702034 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n  background-color: rgba(231, 238, 241, 0.238);\n}\n@media (min-width:850px) {\n  #section_156702034 {\n    padding-top: 50px;\n    padding-bottom: 50px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1783886459\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-386654920\">\n\n\t<div id=\"col-321570230\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Dimensions<\/h2>\n<table>\n<thead>\n<tr>\n<td>Outside Diameter\uff1a<\/td>\n<td>1\u20442 to 5 in. [12.7 to 127 mm]<\/td>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Wall Thickness\uff1a<\/td>\n<td>0.035 to 0.360 in. [0.9 to 9.1 mm]<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\">Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1783886459 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n}\n@media (min-width:550px) {\n  #section_1783886459 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1506527144\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-1507427692\">\n\n\t<div id=\"col-899144638\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Chemical Requirement<\/h2>\n<table>\n<thead>\n<tr>\n<th colspan=\"4\">Chemical Requirements<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td rowspan=\"4\">Element<\/td>\n<td colspan=\"3\">Composition, %<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Grade A, Low-Carbon Steel<\/td>\n<td rowspan=\"3\">Grade C,Medium-Carbon Steel<\/td>\n<td rowspan=\"3\">Grade D, Carbon-Manganese Steel<\/td>\n<\/tr>\n<tr>\n  <\/tr>\n<tr>\n  <\/tr>\n<tr>\n<td>Carbon<\/td>\n<td>0 06\u20130 18<\/td>\n<td>0 35 max<\/td>\n<td>0 27 max<\/td>\n<\/tr>\n<tr>\n<td>Manganese<\/td>\n<td>0.27\u20130.63<\/td>\n<td>0.80 max<\/td>\n<td>1.00\u2013 1.50<\/td>\n<\/tr>\n<tr>\n<td>Phosphorus, max<\/td>\n<td>0 035<\/td>\n<td>0 035<\/td>\n<td>0 030<\/td>\n<\/tr>\n<tr>\n<td>Sulfur, max<\/td>\n<td>0.035<\/td>\n<td>0.035<\/td>\n<td>0.015<\/td>\n<\/tr>\n<tr>\n<td>Silicon<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<td>0. 10 min<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1506527144 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_777465151\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row\"  id=\"row-115589202\">\n\n\t<div id=\"col-4512334\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Mechanical Requirement<\/h2>\n<div class=\"row\"  id=\"row-1740746548\">\n\n\t<div id=\"col-1741516912\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<table>\n<thead>\n<tr>\n<th colspan=\"4\">Tensile Requirements<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Mechanical Properties<\/td>\n<td>Grade A<\/td>\n<td>Grade C<\/td>\n<td>Grade D<\/td>\n<\/tr>\n<tr>\n<td>Tensile strength, min, ksi [MPa]<\/td>\n<td>47 [325]<\/td>\n<td>60 [415]<\/td>\n<td>70 [485]<\/td>\n<\/tr>\n<tr>\n<td>Yield strength, min, ksi [MPa]<\/td>\n<td>26 [180]<\/td>\n<td>37 [255]<\/td>\n<td>40 [275]<\/td>\n<\/tr>\n<tr>\n<td>Elongation in 2 in. or 50 mm, min, %<\/td>\n<td>35<\/td>\n<td>30<\/td>\n<td>30<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"6\">For longitudinal strip tests a deduction for each 1\u204432-in. [0.8 mm] decrease in wall thickness below 5\u204416  in. [8 mm] from the basic minimum elongation of the following percentage points shall be made.<\/td>\n<td rowspan=\"6\">&#8211;<\/td>\n<td rowspan=\"6\">1.50A<\/td>\n<td rowspan=\"6\">1.50A<\/td>\n<\/tr>\n<tr>\n  <\/tr>\n<tr>\n  <\/tr>\n<tr>\n  <\/tr>\n<tr>\n  <\/tr>\n<tr>\n  <\/tr>\n<tr>\n<td colspan=\"4\">A  See Table 3 for the computed minimum values.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-1003864234\">\n\n\t<div id=\"col-723460244\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<table>\n<thead>\n<tr>\n<th colspan=\"4\">Minimum Elongation Values<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td colspan=\"3\">Wall Thickness<\/td>\n<td rowspan=\"2\">Elongation in 2 in. or 50 mm, min, %A<\/td>\n<\/tr>\n<tr>\n<td>OD<\/td>\n<td>  in.<\/td>\n<td>mm<\/td>\n<\/tr>\n<tr>\n<td>5\u204416<\/td>\n<td>-0.312<\/td>\n<td>8<\/td>\n<td>30<\/td>\n<\/tr>\n<tr>\n<td>9\u204432<\/td>\n<td>-0.281<\/td>\n<td>7.2<\/td>\n<td>29<\/td>\n<\/tr>\n<tr>\n<td>1\u20444<\/td>\n<td>-0.25<\/td>\n<td>6.4<\/td>\n<td>27<\/td>\n<\/tr>\n<tr>\n<td>7\u204432<\/td>\n<td>-0.219<\/td>\n<td>5.6<\/td>\n<td>26<\/td>\n<\/tr>\n<tr>\n<td>3\u204416<\/td>\n<td>-0.188<\/td>\n<td>4.8<\/td>\n<td>24<\/td>\n<\/tr>\n<tr>\n<td>5\u204432<\/td>\n<td>-0.156<\/td>\n<td>4<\/td>\n<td>22<\/td>\n<\/tr>\n<tr>\n<td>1\u20448<\/td>\n<td>-0.125<\/td>\n<td>3.2<\/td>\n<td>21<\/td>\n<\/tr>\n<tr>\n<td>3\u204432<\/td>\n<td>-0.094<\/td>\n<td>2.4<\/td>\n<td>20<\/td>\n<\/tr>\n<tr>\n<td>1\u204416<\/td>\n<td>-0.062<\/td>\n<td>1.6<\/td>\n<td>18<\/td>\n<\/tr>\n<tr>\n<td colspan=\"4\">A  Calculated  elongation  requirements  shall  be  rounded  to  the  nearest  whole number.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n\t\t<\/div>\n\n\t\t\n<style>\n#section_777465151 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n}\n@media (min-width:850px) {\n  #section_777465151 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1072569991\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n<div class=\"row align-middle align-center\"  id=\"row-718816902\">\n\n\t<div id=\"col-2039728398\" class=\"col medium-12 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n<h2>Why Choose UNIASEN?<\/h2>\n<ul>\n<li>ASTM A178 boiler tubes come in sizes tailored to your needs. They can be made with many procedures, including electric resistance welding.<\/li>\n<li>Surface coatings enhance corrosion resistance, and a variety of end types and joint methods are available. Our processing services ensure that the tubes are ready for immediate installation.<\/li>\n<li>UNIASEN&#8217;s ASTM A178 boiler tubes Grade C and D meet the tensile requirements. This ensures that the tubes can withstand the tough environments in boilers and superheaters.<\/li>\n<li>Our tubes undergo rigorous testing, including flattening, flanging, stretching, etc., to verify their mechanical integrity.<\/li>\n<li>Every aspect of production is closely monitored and controlled. This includes dimensions and chemical composition.<\/li>\n<\/ul>\n<a href=\"#is-pop\" class=\"button primary\"  style=\"border-radius:10px;\">\n\t\t<span>Request A Quote<\/span>\n\t<\/a>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1150675277\" class=\"col medium-11 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n  <div class=\"banner has-hover\" id=\"banner-1500540088\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" >\n            <img loading=\"lazy\" decoding=\"async\" width=\"2500\" height=\"1670\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/03\/UNIASEN-factory-gate.webp\" class=\"bg\" alt=\"UNIASEN factory gate\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/03\/UNIASEN-factory-gate.webp 2500w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/03\/UNIASEN-factory-gate-300x200.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/03\/UNIASEN-factory-gate-1030x688.webp 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id=\"section_478106250\">\n\t\t<div class=\"section-bg fill\" >\n\t\t\t\t\t\t\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-1060742574\">\n\n\n\t<div id=\"col-1088695905\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<div class=\"slider-wrapper relative\" id=\"slider-504096644\" >\n    <div class=\"slider slider-nav-circle slider-nav-large slider-nav-light slider-style-normal\"\n        data-flickity-options='{\n            \"cellAlign\": \"center\",\n            \"imagesLoaded\": true,\n            \"lazyLoad\": 1,\n            \"freeScroll\": false,\n            \"wrapAround\": true,\n            \"autoPlay\": 6000,\n            \"pauseAutoPlayOnHover\" : true,\n            \"prevNextButtons\": true,\n            \"contain\" : true,\n            \"adaptiveHeight\" : true,\n            \"dragThreshold\" : 10,\n            \"percentPosition\": true,\n            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srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-Carbon-Steel-Welded-Pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-Carbon-Steel-Welded-Pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_33782070 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-4007865239\" class=\"text\">\n\t\t\n\n<p><strong>Welded Pipe<\/strong><\/p>\n\t\t\n<style>\n#text-4007865239 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-4007865239 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-159927710\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_311705660\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/products\/ssaw-pipe\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-spiral-welded-pipe-SSAW-Pipe.webp\" class=\"attachment-original size-original\" alt=\"ssaw steel pipe manufacturer and supplier\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-spiral-welded-pipe-SSAW-Pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-spiral-welded-pipe-SSAW-Pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_311705660 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2417387716\" class=\"text\">\n\t\t\n\n<p><strong>SSAW Steel Pipe<\/strong><\/p>\n\t\t\n<style>\n#text-2417387716 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2417387716 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1642830557\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1955878633\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/products\/hollow-sections\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-hollow-structural-section-manufacturer-and-supplier.webp\" class=\"attachment-original size-original\" alt=\"steel hollow section-hollow structural section-Uniasen\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-hollow-structural-section-manufacturer-and-supplier.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-hollow-structural-section-manufacturer-and-supplier-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1955878633 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3633946073\" class=\"text\">\n\t\t\n\n<p><strong>Hollow Structural Section<\/strong><\/p>\n\t\t\n<style>\n#text-3633946073 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3633946073 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1020544220\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1338693450\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/products\/seamless-pipe\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-seamless-carbon-steel-pipe.webp\" class=\"attachment-original size-original\" alt=\"seamless steel pipe-SMLS Pipe\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-seamless-carbon-steel-pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-seamless-carbon-steel-pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1338693450 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-112116695\" class=\"text\">\n\t\t\n\n<p><strong>Seamless Steel Pipe<\/strong><\/p>\n\t\t\n<style>\n#text-112116695 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-112116695 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-257964737\">\n\n\n\t<div id=\"col-1042796648\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_28405854\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/products\/pipe-fittings\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-pipe-fitting-manufacturer.webp\" class=\"attachment-original size-original\" alt=\"china pipe fitting-carbon steel pipe fittings\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-pipe-fitting-manufacturer.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-pipe-fitting-manufacturer-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_28405854 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1910163368\" class=\"text\">\n\t\t\n\n<p><strong>Pipe Fittings Pipe Fittings<\/strong><\/p>\n\t\t\n<style>\n#text-1910163368 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1910163368 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1905128773\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1122945958\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/steel-pipe-standards\/fire-sprinkler-pipe\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-fire-sprinkler-pipe-supplier-1.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-fire-sprinkler-pipe-supplier-1.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/UNIASEN-fire-sprinkler-pipe-supplier-1-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_1122945958 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3759944282\" class=\"text\">\n\t\t\n\n<p><strong>Fire Sprinkler Pipe<\/strong><\/p>\n\t\t\n<style>\n#text-3759944282 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3759944282 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-887960111\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_191889099\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/steel-pipe-standards\/line-pipe\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-line-pipe-manufacturer.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-line-pipe-manufacturer.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-line-pipe-manufacturer-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_191889099 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-601694908\" class=\"text\">\n\t\t\n\n<p><strong>Line Pipe<\/strong><\/p>\n\n\t\t\n<style>\n#text-601694908 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-601694908 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-346712309\" class=\"col medium-3 small-6 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_701552314\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/steel-pipe-standards\/astm-a106\" target=\"_blank\" rel=\"noopener\" >\t\t\t\t\t\t<div class=\"img-inner image-cover box-shadow-3-hover dark\" style=\"padding-top:75%;\">\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"400\" src=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-ASTM-A106-Seamless-Carbon-Steel-Pipe.webp\" class=\"attachment-original size-original\" alt=\"\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-ASTM-A106-Seamless-Carbon-Steel-Pipe.webp 600w, https:\/\/uniasen.com\/wp-content\/uploads\/2023\/11\/Uniasen-ASTM-A106-Seamless-Carbon-Steel-Pipe-300x200.webp 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\t\t\n<style>\n#image_701552314 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2822261124\" class=\"text\">\n\t\t\n\n<p><strong>ASTM A106 Seamless Steel Pipe<\/strong><\/p>\n\t\t\n<style>\n#text-2822261124 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2822261124 > * {\n  color: rgb(0,0,0);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n     <\/div>\n\n     <div class=\"loading-spin dark large centered\"><\/div>\n\n\t<\/div>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_478106250 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":3,"featured_media":4542,"parent":2187,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-2730","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>ASTM A178 ERW Steel Tube Specification<\/title>\n<meta name=\"description\" content=\"The ASTM A178 standard covers specifications for piping. 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