{"id":2823,"date":"2023-10-19T14:22:45","date_gmt":"2023-10-19T06:22:45","guid":{"rendered":"https:\/\/uniasen.com\/?page_id=2823"},"modified":"2024-09-04T08:49:31","modified_gmt":"2024-09-04T00:49:31","slug":"astm-a691","status":"publish","type":"page","link":"https:\/\/uniasen.com\/pt\/padroes\/astm-a691\/","title":{"rendered":"ASTM A691"},"content":{"rendered":"  <div id=\"page-header-928314095\" 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 A691          <\/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-928314095 .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-1014120286\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1014120286 {\n  padding-top: 4%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<section class=\"section\" id=\"section_1393995082\">\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-617373479\">\n\n\t<div id=\"col-1147156094\" 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_2119917201\">\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\/08\/china_lsaw_pipe_supplier_line_pipe_factory.webp\" class=\"attachment-original size-original\" alt=\"china lsaw pipe supplier line pipe factory\" srcset=\"https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory.webp 1000w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory-300x225.webp 300w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory-768x576.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/08\/china_lsaw_pipe_supplier_line_pipe_factory-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_2119917201 {\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-1952092110\" 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 A691 Pipe<\/h2>\n<p><strong>Standard Overview:\u00a0<\/strong><\/p>\n<p>ASTM A691 is a standard for electric welded carbon and alloy steel pipes. It is for use in high temperature and high pressure environments. These pipes are usually made by curling and welding multiple steel plates. They have good strength and corrosion resistance.<\/p>\n<p><strong>Main Material:<\/strong><\/p>\n<p>Carbon steel and alloy steel materials. Common alloy steel materials include 1.25Cr-0.5Mo, 2.25Cr-1Mo, etc.<\/p>\n<p><strong>Scope of Application:<\/strong><\/p>\n<p>ASTM A691 pipes are widely used in the oil, gas, power, and chemical industries. They are for high-temperature, high-pressure environments, like boilers and piping systems.<\/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_1393995082 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1720999999\">\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-299106038\">\n\n\t<div id=\"col-1672731551\" 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 A691<\/h2>\n<table>\n<thead>\n<tr>\n<th>Standard<\/th>\n<th>ASTM A691<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Application<\/td>\n<td>Standard Specification for Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures<\/td>\n<\/tr>\n<tr>\n<td>Pipe Grade<\/td>\n<td>Alloy Steel ASTM A691 Cl22,1 CR,1\/2 CR,1 1\/4 CR,2 1\/4 CR, 3 CR,5 CR,9 CR,91,CM 65,CM70,CM75<\/td>\n<\/tr>\n<tr>\n<td>Class Designation<\/td>\n<td>Class 10, 11, 12, 13, 20, 21, 22, 23, 30, 31, 32, 33, 34, 40, 41, 42, 43, 50, 51, 52, 53, 60, 61, 62, 63, 70, 71, 72, 73..<\/td>\n<\/tr>\n<tr>\n<td>Procedure<\/td>\n<td>EFW, <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/uniasen.com\/products\/erw-pipe\">ERW<\/a><\/span>, <a href=\"https:\/\/uniasen.com\/products\/seamless-pipe\"><span style=\"color: #ff6600;\">SEAMLESS<\/span><\/a>, <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/uniasen.com\/products\/lsaw-pipe\">LSAW<\/a><\/span><\/td>\n<\/tr>\n<tr>\n<td>Outer Diameter<\/td>\n<td>1\/2&#8221;- 36&#8221;<\/td>\n<\/tr>\n<tr>\n<td>Wall Thickness<\/td>\n<td>SCH10, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80, SCH100, SCH12,0 SCH140, SCH160, XXS<\/td>\n<\/tr>\n<tr>\n<td>Pipe Length<\/td>\n<td>Single random length\/Double random length 5m-14m,5.8m,6m,10m-12m,12m or as customer&#8217;s actual request<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Tolerance<\/td>\n<td>OD: +\/- 0.5 % of the specified outside diameter<\/td>\n<\/tr>\n<tr>\n<td>WT: not more than 0.01 in. (0.3 mm) under the specified nominal thickness.<\/td>\n<\/tr>\n<tr>\n<td>Length: within \u22120,+1\u20442 in. (\u22120, +13 mm) of specified.<\/td>\n<\/tr>\n<tr>\n<td>Pipe Surface<\/td>\n<td>Bare,Painting black,varnished,galvanized,anti-corrosion,PE PP\/EP\/FBE coating<\/td>\n<\/tr>\n<tr>\n<td>Pipe End<\/td>\n<td>Plain end\/Beveled,protected by plastic caps on both ends, cut quare,grooved, threaded and coupling<\/td>\n<\/tr>\n<tr>\n<td>Technical Method<\/td>\n<td>Hot-rolled\/Cold-drawn\/Hot-expanded<\/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_1720999999 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1311820787\">\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-346085002\">\n\n\t<div id=\"col-426286325\" 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>Dimension<\/h2>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n<\/div>\n<div class=\"row\"  id=\"row-2058359769\">\n\n\t<div id=\"col-263350492\" 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<tbody>\n<tr>\n<td width=\"190\">Outside Diameter\uff1a<\/td>\n<td width=\"296\">16 in. [405mm] or larger<\/td>\n<\/tr>\n<tr>\n<td>Wall Thickness\uff1a<\/td>\n<td>up to 3 in. [75 mm]<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"486\">Pipe having other dimensions may be furnished provided it complies 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_1311820787 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1564827009\">\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-1058053973\">\n\n\t<div id=\"col-638300362\" 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<tbody>\n<tr>\n<td rowspan=\"2\" width=\"72\">Pipe Grade<\/td>\n<td rowspan=\"2\" width=\"359\">Type of Steel<\/td>\n<td colspan=\"2\" width=\"184\">ASTM Specification<\/td>\n<td rowspan=\"2\" width=\"72\">HB , maxA<\/td>\n<\/tr>\n<tr>\n<td>Number<\/td>\n<td>Grade<\/td>\n<\/tr>\n<tr>\n<td>CM -65<\/td>\n<td>carbon &#8211; molybdenum steel<\/td>\n<td>A204\/A204M<\/td>\n<td>A<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CM -70<\/td>\n<td>carbon &#8211; molybdenum steel<\/td>\n<td>A204\/A204M<\/td>\n<td>B<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CM -75<\/td>\n<td>carbon &#8211; molybdenum steel<\/td>\n<td>A204\/A204M<\/td>\n<td>C<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CmSH -70<\/td>\n<td>carbon &#8211; manganese &#8211; silicon steel , normalized<\/td>\n<td>A537\/A537M<\/td>\n<td>1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>CMS -75<\/td>\n<td>carbon &#8211; manganese &#8211; silicon steel<\/td>\n<td>A299\/A299M<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>CMSH -80<\/td>\n<td>carbon &#8211; manganese &#8211; silicon steel , quenched and tempered<\/td>\n<td>A537\/A537M<\/td>\n<td>2<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>1\/2 CR<\/td>\n<td>1\/2% chromium ,1\/2% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>2<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>1CR<\/td>\n<td>1% chromium ,1\/2% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>12<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>1-1\/4 CR<\/td>\n<td>11\/4% chromium ,1\/2% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>11<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>2-1\/4 CR<\/td>\n<td>21\/4% chromium ,1% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>22<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>3CR<\/td>\n<td>3% chromium ,1% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>21<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>5CR<\/td>\n<td>5% chromium ,1\/2% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>5<\/td>\n<td>225<\/td>\n<\/tr>\n<tr>\n<td>9CR<\/td>\n<td>9% chromium ,1% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>9<\/td>\n<td>241<\/td>\n<\/tr>\n<tr>\n<td>91<\/td>\n<td>9% chromium ,1% molybdenum , vanadium , columbium<\/td>\n<td>A387\/A387M<\/td>\n<td>91B<\/td>\n<td>241<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\" width=\"687\">A Hardness values listed are applicable to S3.<br \/>\nBGrade 91 shall be designated by Type 1 or Type 2 when required by the prevalent 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_1564827009 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1610810846\">\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-778889891\">\n\n\t<div id=\"col-1044574060\" 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<table>\n<thead>\n<tr>\n<th rowspan=\"2\">Pipe Grade<\/th>\n<th rowspan=\"2\">Type of Steel<\/th>\n<th colspan=\"2\">ASTM Specification<\/th>\n<th rowspan=\"2\">HB , maxA<\/th>\n<\/tr>\n<tr>\n<th>Number<\/th>\n<th>Grade<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CM -65<\/td>\n<td>carbon &#8211; molybdenum steel<\/td>\n<td>A204\/A204M<\/td>\n<td>A<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CM -70<\/td>\n<td>carbon &#8211; molybdenum steel<\/td>\n<td>A204\/A204M<\/td>\n<td>B<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CM -75<\/td>\n<td>carbon &#8211; molybdenum steel<\/td>\n<td>A204\/A204M<\/td>\n<td>C<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CmSH -70<\/td>\n<td>carbon &#8211; manganese &#8211; silicon steel , normalized<\/td>\n<td>A537\/A537M<\/td>\n<td>1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>CMS -75<\/td>\n<td>carbon &#8211; manganese &#8211; silicon steel<\/td>\n<td>A299\/A299M<\/td>\n<td>&#8211;<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>CMSH -80<\/td>\n<td>carbon &#8211; manganese &#8211; silicon steel , quenched and tempered<\/td>\n<td>A537\/A537M<\/td>\n<td>2<\/td>\n<td>&#8211;<\/td>\n<\/tr>\n<tr>\n<td>1\/2 CR<\/td>\n<td>1\/2% chromium ,1\/2% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>2<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>1CR<\/td>\n<td>1% chromium ,1\/2% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>12<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>1-1\/4 CR<\/td>\n<td>11\/4% chromium ,1\/2% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>11<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>2-1\/4 CR<\/td>\n<td>21\/4% chromium ,1% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>22<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>3CR<\/td>\n<td>3% chromium ,1% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>21<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>5CR<\/td>\n<td>5% chromium ,1\/2% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>5<\/td>\n<td>225<\/td>\n<\/tr>\n<tr>\n<td>9CR<\/td>\n<td>9% chromium ,1% molybdenum steel<\/td>\n<td>A387\/A387M<\/td>\n<td>9<\/td>\n<td>241<\/td>\n<\/tr>\n<tr>\n<td>91<\/td>\n<td>9% chromium ,1% molybdenum , vanadium , columbium<\/td>\n<td>A387\/A387M<\/td>\n<td>91B<\/td>\n<td>241<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">A Hardness values listed are applicable to S3.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">BGrade 91 shall be designated by Type 1 or Type 2 when required by the prevalent 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_1610810846 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1343586142\">\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-1694850129\">\n\n\t<div id=\"col-1051000946\" 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>Welded and with the addition of filler metal. They are manufactured from pressure vessel quality plates with different analysis and strength grades. We ensure that heat treatment is performed as required to achieve the required mechanical properties. Our pipes are classified by the steel grade and heat treatment used in manufacturing.<\/li>\n<li>UNIASEN offers ASTM A691\/A691M pipes in a wide range of sizes. Our pipes are available in a variety of diameters, wall thicknesses and lengths, ensuring that we can meet your specific needs.<\/li>\n<li>ASTM A691\/A691M pipes are electro-fused. They are for high pressure, high temperature use. UNIASEN&#8217;s ASTM A691\/A691M pipes come in various sizes to meet your needs.<\/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-821189109\" 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-2050406902\">\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 1030w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/03\/UNIASEN-factory-gate-768x513.webp 768w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/03\/UNIASEN-factory-gate-1536x1026.webp 1536w, https:\/\/uniasen.com\/wp-content\/uploads\/2024\/03\/UNIASEN-factory-gate-2048x1368.webp 2048w\" sizes=\"auto, (max-width: 2500px) 100vw, 2500px\" \/>                                    \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            \n   <div id=\"text-box-1273571217\" class=\"text-box banner-layer x50 md-x50 lg-x50 y50 md-y50 lg-y50 res-text\">\n                                <div class=\"text-box-content text dark\">\n              \n              <div class=\"text-inner text-center\">\n                  \n<div class=\"video-button-wrapper\" style=\"font-size:200%\"><a href=\"https:\/\/www.youtube.com\/watch?v=oDiJnYyLsz4\" class=\"button open-video icon circle is-outline is-xlarge\"><i class=\"icon-play\" style=\"font-size:1.5em;\" ><\/i><\/a><\/div>\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-1273571217 {\n  width: 60%;\n}\n#text-box-1273571217 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-2050406902 {\n  padding-top: 56.25%;\n}\n<\/style>\n  <\/div>\n\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_1343586142 {\n  padding-top: 0px;\n  padding-bottom: 0px;\n  background-color: rgba(231, 238, 241, 0.238);\n}\n@media (min-width:550px) {\n  #section_1343586142 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\t<div id=\"gap-1904724011\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1904724011 {\n  padding-top: 3%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<section class=\"section\" id=\"section_2144051440\">\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-1116970889\">\n\n\n\t<div id=\"col-2115054583\" 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-1988110924\" >\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            \"pageDots\": true,\n            \"rightToLeft\": false,\n            \"draggable\": true,\n            \"selectedAttraction\": 0.1,\n            \"parallax\" : 0,\n            \"friction\": 0.6        }'\n        >\n        \n\n<div class=\"row\"  id=\"row-1562289015\">\n\n\n\t<div id=\"col-404915187\" 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_791043490\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/products\/erw-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-Carbon-Steel-Welded-Pipe.webp\" class=\"attachment-original size-original\" alt=\"China ERW Pipe manufacturer\" 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_791043490 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2399424249\" class=\"text\">\n\t\t\n\n<p><strong>Welded Pipe<\/strong><\/p>\n\t\t\n<style>\n#text-2399424249 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2399424249 > * {\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-264524835\" 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_106894741\">\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_106894741 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3902772489\" class=\"text\">\n\t\t\n\n<p><strong>SSAW Steel Pipe<\/strong><\/p>\n\t\t\n<style>\n#text-3902772489 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3902772489 > * {\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-2014498735\" 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_1087124509\">\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_1087124509 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-655313289\" class=\"text\">\n\t\t\n\n<p><strong>Hollow Structural Section<\/strong><\/p>\n\t\t\n<style>\n#text-655313289 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-655313289 > * {\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-812497718\" 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_547885347\">\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_547885347 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3830028467\" class=\"text\">\n\t\t\n\n<p><strong>Seamless Steel Pipe<\/strong><\/p>\n\t\t\n<style>\n#text-3830028467 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3830028467 > * {\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-1919737141\">\n\n\n\t<div id=\"col-917957884\" 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_378450786\">\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_378450786 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1596322296\" class=\"text\">\n\t\t\n\n<p><strong>Pipe Fittings Pipe Fittings<\/strong><\/p>\n\t\t\n<style>\n#text-1596322296 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1596322296 > * {\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-1943765849\" 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_94075160\">\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_94075160 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3979477871\" class=\"text\">\n\t\t\n\n<p><strong>Fire Sprinkler Pipe<\/strong><\/p>\n\t\t\n<style>\n#text-3979477871 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3979477871 > * {\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-1725111890\" 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_1331905948\">\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_1331905948 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-814729009\" class=\"text\">\n\t\t\n\n<p><strong>Line Pipe<\/strong><\/p>\n\n\t\t\n<style>\n#text-814729009 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-814729009 > * {\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-1632184432\" 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_1073533095\">\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_1073533095 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3118522526\" class=\"text\">\n\t\t\n\n<p><strong>ASTM A106 Seamless Steel Pipe<\/strong><\/p>\n\t\t\n<style>\n#text-3118522526 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3118522526 > * {\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_2144051440 {\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":4715,"parent":2187,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-2823","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 A691 Carbon and Alloy Steel Pipe Specification<\/title>\n<meta name=\"description\" content=\"ASTM A691 standard specifies the requirements for carbon and alloy steel pipes that are electric-fusion-welded with added filler metal, crafted from pressure-vessel-quality plates. 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