{"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\/fr\/normes\/astm-a691\/","title":{"rendered":"ASTM A691"},"content":{"rendered":"<div id=\"page-header-882072466\" 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-882072466 .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-256907502\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-256907502 {\n  padding-top: 4%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<section class=\"section\" id=\"section_2000558151\">\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-498890402\">\n\n\t<div id=\"col-580211138\" 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_1530734951\">\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=\"fournisseur chinois de tubes lsaw usine de tubes de ligne\" 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_1530734951 {\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-2105440206\" 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>Tube ASTM A691<\/h2>\n<p><strong>Aper\u00e7u des normes :\u00a0<\/strong><\/p>\n<p>ASTM A691 est une norme pour les tuyaux en acier au carbone et en acier alli\u00e9 soud\u00e9s \u00e9lectriquement. Elle est destin\u00e9e \u00e0 \u00eatre utilis\u00e9e dans des environnements \u00e0 haute temp\u00e9rature et \u00e0 haute pression. Ces tuyaux sont g\u00e9n\u00e9ralement fabriqu\u00e9s en enroulant et en soudant plusieurs plaques d'acier. Ils pr\u00e9sentent une bonne solidit\u00e9 et une bonne r\u00e9sistance \u00e0 la corrosion.<\/p>\n<p><strong>Mat\u00e9riau principal :<\/strong><\/p>\n<p>Acier au carbone et acier alli\u00e9. Les aciers alli\u00e9s les plus courants sont 1,25Cr-0,5Mo, 2,25Cr-1Mo, etc.<\/p>\n<p><strong>Champ d'application :<\/strong><\/p>\n<p>Les tubes ASTM A691 sont largement utilis\u00e9s dans les industries du p\u00e9trole, du gaz, de l'\u00e9nergie et de la chimie. Ils sont destin\u00e9s aux environnements \u00e0 haute temp\u00e9rature et \u00e0 haute pression, comme les chaudi\u00e8res et les syst\u00e8mes de tuyauterie.<\/p>\n<a href=\"#is-pop\" class=\"button primary\"  style=\"border-radius:10px;\">\n\t\t<span>Demande de devis<\/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_2000558151 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_945338531\">\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-888856723\">\n\n\t<div id=\"col-1238987749\" 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>Sp\u00e9cification de l'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>Sp\u00e9cification standard pour les tubes en acier au carbone et en acier alli\u00e9, soud\u00e9s par fusion \u00e9lectrique pour utilisation \u00e0 haute pression et \u00e0 haute temp\u00e9rature<\/td>\n<\/tr>\n<tr>\n<td>Qualit\u00e9 du tube<\/td>\n<td>Acier alli\u00e9 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>D\u00e9signation de la classe<\/td>\n<td>Classes 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>Proc\u00e9dure<\/td>\n<td>EFW, <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/uniasen.com\/fr\/produits\/tube-erw\/\">ERW<\/a><\/span>, <a href=\"https:\/\/uniasen.com\/fr\/produits\/tube-sans-soudure\/\"><span style=\"color: #ff6600;\">SANS COUTURE<\/span><\/a>, <span style=\"color: #ff6600;\"><a style=\"color: #ff6600;\" href=\"https:\/\/uniasen.com\/fr\/produits\/tuyau-de-scie\/\">LSAW<\/a><\/span><\/td>\n<\/tr>\n<tr>\n<td>Diam\u00e8tre ext\u00e9rieur<\/td>\n<td>1\/2&#8221;- 36&#8221;<\/td>\n<\/tr>\n<tr>\n<td>\u00c9paisseur de la paroi<\/td>\n<td>SCH10, SCH20, SCH30, STD, SCH40, SCH60, XS, SCH80, SCH100, SCH12,0 SCH140, SCH160, XXS<\/td>\n<\/tr>\n<tr>\n<td>Longueur du tuyau<\/td>\n<td>Longueur al\u00e9atoire simple\/double longueur al\u00e9atoire 5m-14m, 5,8m, 6m, 10m-12m, 12m ou selon la demande r\u00e9elle du client<\/td>\n<\/tr>\n<tr>\n<td rowspan=\"3\">Tol\u00e9rance<\/td>\n<td>OD : +\/- 0,5 % du diam\u00e8tre ext\u00e9rieur sp\u00e9cifi\u00e9<\/td>\n<\/tr>\n<tr>\n<td>WT : pas plus de 0,01 in. (0,3 mm) en dessous de l'\u00e9paisseur nominale sp\u00e9cifi\u00e9e.<\/td>\n<\/tr>\n<tr>\n<td>Longueur : \u00e0 -0,+1\u20442 in. (-0, +13 mm) de la valeur sp\u00e9cifi\u00e9e.<\/td>\n<\/tr>\n<tr>\n<td>Surface du tube<\/td>\n<td>Nu, peinture noire, verni, galvanis\u00e9, anticorrosion, rev\u00eatement PE PP\/EP\/FBE<\/td>\n<\/tr>\n<tr>\n<td>Extr\u00e9mit\u00e9 du tube<\/td>\n<td>Bout uni\/biseaut\u00e9, prot\u00e9g\u00e9 par des capuchons en plastique aux deux extr\u00e9mit\u00e9s, coup\u00e9 \u00e0 angle droit, rainur\u00e9, filet\u00e9 et coupl\u00e9<\/td>\n<\/tr>\n<tr>\n<td>M\u00e9thode technique<\/td>\n<td>Lamin\u00e9s \u00e0 chaud\/\u00e9tir\u00e9s \u00e0 froid\/expans\u00e9s \u00e0 chaud<\/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_945338531 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_428375435\">\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-756522529\">\n\n\t<div id=\"col-266724966\" 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-1048029969\">\n\n\t<div id=\"col-357601866\" 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\">Diam\u00e8tre ext\u00e9rieur\uff1a<\/td>\n<td width=\"296\">16 pouces [405 mm] ou plus<\/td>\n<\/tr>\n<tr>\n<td>\u00c9paisseur de la paroi\uff1a<\/td>\n<td>jusqu'\u00e0 75 mm<\/td>\n<\/tr>\n<tr>\n<td colspan=\"2\" width=\"486\">Les tuyaux ayant d'autres dimensions peuvent \u00eatre fournis \u00e0 condition qu'ils soient conformes \u00e0 toutes les autres exigences de la pr\u00e9sente sp\u00e9cification.<\/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_428375435 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_807701030\">\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-1472958463\">\n\n\t<div id=\"col-1886566117\" 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>Exigence chimique<\/h2>\n<table>\n<tbody>\n<tr>\n<td rowspan=\"2\" width=\"72\">Qualit\u00e9 du tube<\/td>\n<td rowspan=\"2\" width=\"359\">Type d'acier<\/td>\n<td colspan=\"2\" width=\"184\">Sp\u00e9cification ASTM<\/td>\n<td rowspan=\"2\" width=\"72\">HB , maxA<\/td>\n<\/tr>\n<tr>\n<td>Nombre<\/td>\n<td>Grade<\/td>\n<\/tr>\n<tr>\n<td>CM -65<\/td>\n<td>acier au carbone - molybd\u00e8ne<\/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>acier au carbone - molybd\u00e8ne<\/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>acier au carbone - molybd\u00e8ne<\/td>\n<td>A204\/A204M<\/td>\n<td>C<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CSMH -70<\/td>\n<td>acier au carbone - mangan\u00e8se - silicium, normalis\u00e9<\/td>\n<td>A537\/A537M<\/td>\n<td>1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>CMS -75<\/td>\n<td>acier au carbone - mangan\u00e8se - silicium<\/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>acier au carbone - mangan\u00e8se - silicium, tremp\u00e9 et revenu<\/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% chrome ,1\/2% molybd\u00e8ne acier<\/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% chrome ,1\/2% molybd\u00e8ne acier<\/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% chrome ,1\/2% molybd\u00e8ne acier<\/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% chrome ,1% molybd\u00e8ne acier<\/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% chrome ,1% molybd\u00e8ne acier<\/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% chrome ,1\/2% molybd\u00e8ne acier<\/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% chrome ,1% molybd\u00e8ne acier<\/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% chrome ,1% molybd\u00e8ne , 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 Les valeurs de duret\u00e9 indiqu\u00e9es sont applicables \u00e0 S3.<br \/>\nLa qualit\u00e9 BG 91 est d\u00e9sign\u00e9e par le type 1 ou le type 2 lorsque la sp\u00e9cification dominante l'exige.<\/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_807701030 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1991362174\">\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-1723279845\">\n\n\t<div id=\"col-1720345581\" 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>Exigences m\u00e9caniques<\/h2>\n<table>\n<thead>\n<tr>\n<th rowspan=\"2\">Qualit\u00e9 du tube<\/th>\n<th rowspan=\"2\">Type d'acier<\/th>\n<th colspan=\"2\">Sp\u00e9cification ASTM<\/th>\n<th rowspan=\"2\">HB , maxA<\/th>\n<\/tr>\n<tr>\n<th>Nombre<\/th>\n<th>Grade<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>CM -65<\/td>\n<td>acier au carbone - molybd\u00e8ne<\/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>acier au carbone - molybd\u00e8ne<\/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>acier au carbone - molybd\u00e8ne<\/td>\n<td>A204\/A204M<\/td>\n<td>C<\/td>\n<td>201<\/td>\n<\/tr>\n<tr>\n<td>CSMH -70<\/td>\n<td>acier au carbone - mangan\u00e8se - silicium, normalis\u00e9<\/td>\n<td>A537\/A537M<\/td>\n<td>1<\/td>\n<td><\/td>\n<\/tr>\n<tr>\n<td>CMS -75<\/td>\n<td>acier au carbone - mangan\u00e8se - silicium<\/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>acier au carbone - mangan\u00e8se - silicium, tremp\u00e9 et revenu<\/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% chrome ,1\/2% molybd\u00e8ne acier<\/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% chrome ,1\/2% molybd\u00e8ne acier<\/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% chrome ,1\/2% molybd\u00e8ne acier<\/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% chrome ,1% molybd\u00e8ne acier<\/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% chrome ,1% molybd\u00e8ne acier<\/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% chrome ,1\/2% molybd\u00e8ne acier<\/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% chrome ,1% molybd\u00e8ne acier<\/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% chrome ,1% molybd\u00e8ne , 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 Les valeurs de duret\u00e9 indiqu\u00e9es sont applicables \u00e0 S3.<\/td>\n<\/tr>\n<tr>\n<td colspan=\"5\">La qualit\u00e9 BG 91 est d\u00e9sign\u00e9e par le type 1 ou le type 2 lorsque la sp\u00e9cification dominante l'exige.<\/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_1991362174 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>\n\t\n\n\t<section class=\"section\" id=\"section_1619731992\">\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-881413189\">\n\n\t<div id=\"col-2137337017\" 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>Pourquoi choisir UNIASEN ?<\/h2>\n<ul>\n<li>Soud\u00e9s et avec l'ajout d'un m\u00e9tal d'apport. Elles sont fabriqu\u00e9es \u00e0 partir de plaques de qualit\u00e9 pour appareils \u00e0 pression, avec diff\u00e9rentes analyses et classes de r\u00e9sistance. Nous veillons \u00e0 ce que le traitement thermique soit effectu\u00e9 selon les besoins pour obtenir les propri\u00e9t\u00e9s m\u00e9caniques requises. Nos tuyaux sont class\u00e9s en fonction de la nuance d'acier et du traitement thermique utilis\u00e9s dans la fabrication.<\/li>\n<li>UNIASEN propose des tubes ASTM A691\/A691M dans une large gamme de dimensions. Nos tubes sont disponibles dans une vari\u00e9t\u00e9 de diam\u00e8tres, d'\u00e9paisseurs de paroi et de longueurs, ce qui nous permet de r\u00e9pondre \u00e0 vos besoins sp\u00e9cifiques.<\/li>\n<li>Les tuyaux ASTM A691\/A691M sont \u00e9lectrofondus. Ils sont destin\u00e9s \u00e0 une utilisation \u00e0 haute pression et \u00e0 haute temp\u00e9rature. Les tubes ASTM A691\/A691M d'UNIASEN sont disponibles en diff\u00e9rentes tailles pour r\u00e9pondre \u00e0 vos besoins.<\/li>\n<\/ul>\n<a href=\"#is-pop\" class=\"button primary\"  style=\"border-radius:10px;\">\n\t\t<span>Demande de devis<\/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-2100338180\" 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-1892750017\">\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=\"Portail de l&#039;usine UNIASEN\" 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-1508929322\" 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-1508929322 {\n  width: 60%;\n}\n#text-box-1508929322 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-1892750017 {\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_1619731992 {\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_1619731992 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\n}\n<\/style>\n\t<\/section>\n\t\n\t<div id=\"gap-872144730\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-872144730 {\n  padding-top: 3%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<section class=\"section\" id=\"section_935591692\">\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-353013809\">\n\n\n\t<div id=\"col-839845820\" 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-1212073598\" >\n    <div class=\"slider slider-nav-circle slider-nav-large slider-nav-light slider-style-normal\"\n        data-flickity-options='{            \"cellAlign\": \"center\",            \"imagesLoaded\": true,            \"lazyLoad\": 1,            \"freeScroll\": false,            \"wrapAround\": true,            \"autoPlay\": 6000,            \"pauseAutoPlayOnHover\" : true,            \"prevNextButtons\": true,            \"contain\" : true,            \"adaptiveHeight\" : true,            \"dragThreshold\" : 10,            \"percentPosition\": true,            \"pageDots\": true,            \"rightToLeft\": false,            \"draggable\": true,            \"selectedAttraction\": 0.1,            \"parallax\" : 0,            \"friction\": 0.6        }'\n        >\n        \n\n<div class=\"row\"  id=\"row-746362382\">\n\n\n\t<div id=\"col-453046097\" 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_2127729476\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/fr\/produits\/tube-erw\/\" 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=\"Fabricant chinois de tubes ERW\" 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_2127729476 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1628348160\" class=\"text\">\n\t\t\n\n<p><strong>Tube soud\u00e9<\/strong><\/p>\n\t\t\n<style>\n#text-1628348160 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1628348160 > * {\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-1335156880\" 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_739946198\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/fr\/produits\/tube-de-scie\/\" 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=\"Fabricant et fournisseur de tubes en acier ssaw\" 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_739946198 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1376354168\" class=\"text\">\n\t\t\n\n<p><strong>Tube d'acier SSAW<\/strong><\/p>\n\t\t\n<style>\n#text-1376354168 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1376354168 > * {\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-134784222\" 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_544908465\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/fr\/produits\/sections-creuses\/\" 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=\"Section creuse en acier - Section creuse de construction --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_544908465 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-588649274\" class=\"text\">\n\t\t\n\n<p><strong>Section structurale creuse<\/strong><\/p>\n\t\t\n<style>\n#text-588649274 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-588649274 > * {\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-834551724\" 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_1465439589\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/fr\/produits\/tube-sans-soudure\/\" 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=\"Tube en acier sans soudure-Tube SMLS\" 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_1465439589 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-1776776487\" class=\"text\">\n\t\t\n\n<p><strong>Tube en acier sans soudure<\/strong><\/p>\n\t\t\n<style>\n#text-1776776487 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-1776776487 > * {\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-1434624180\">\n\n\n\t<div id=\"col-696894585\" 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_571668568\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/fr\/produits\/raccords-de-tuyauterie\/\" 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=\"raccords de tuyauterie en chine-raccords de tuyauterie en acier au carbone\" 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_571668568 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-108566162\" class=\"text\">\n\t\t\n\n<p><strong>Raccords de tuyauterie Raccords de tuyauterie<\/strong><\/p>\n\t\t\n<style>\n#text-108566162 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-108566162 > * {\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-1592186596\" 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_941061189\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/fr\/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_941061189 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3368555577\" class=\"text\">\n\t\t\n\n<p><strong>Tuyaux d'extincteurs automatiques<\/strong><\/p>\n\t\t\n<style>\n#text-3368555577 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3368555577 > * {\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-820794921\" 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_2047799588\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/fr\/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_2047799588 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-3833461772\" class=\"text\">\n\t\t\n\n<p><strong>Tuyaux de canalisation<\/strong><\/p>\n\n\t\t\n<style>\n#text-3833461772 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-3833461772 > * {\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-1345044244\" 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_932522428\">\n\t\t<a class=\"\" href=\"https:\/\/uniasen.com\/fr\/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_932522428 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div id=\"text-2973079668\" class=\"text\">\n\t\t\n\n<p><strong>Tube en acier sans soudure ASTM A106<\/strong><\/p>\n\t\t\n<style>\n#text-2973079668 {\n  text-align: center;\n  color: rgb(0,0,0);\n}\n#text-2973079668 > * {\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_935591692 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n<\/style>\n\t<\/section>","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 v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\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 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