{"id":9150,"date":"2026-07-24T11:44:48","date_gmt":"2026-07-24T08:44:48","guid":{"rendered":"https:\/\/axinar.com\/blog\/galvanized-steel-pipe-types-uses"},"modified":"2026-07-24T11:44:48","modified_gmt":"2026-07-24T08:44:48","slug":"galvanized-steel-pipe-types-uses","status":"publish","type":"post","link":"https:\/\/axinar.com\/fr\/blog\/galvanized-steel-pipe-types-uses","title":{"rendered":"Tube en acier galvanis\u00e9 : types, \u00e9paisseur du rev\u00eatement, usages"},"content":{"rendered":"<p>Le tube en acier galvanis\u00e9 est l\u2019un des produits les plus courants, les plus \u00e9prouv\u00e9s et les plus normalis\u00e9s des applications m\u00e9talliques. Il sert aux r\u00e9seaux d\u2019adduction d\u2019eau, \u00e0 la protection incendie, \u00e0 l\u2019air comprim\u00e9, aux tuyauteries industrielles et aux constructions structurelles. Derri\u00e8re un produit apparemment simple se cachent de nombreuses normes et options qui d\u00e9terminent s\u2019il fonctionnera correctement dans votre application.<\/p>\n<h2>Types selon DIN 2440 \/ EN 10255<\/h2>\n<h3>DIN 2440 (ancienne, encore utilis\u00e9e)<\/h3>\n<ul>\n<li><strong>Service moyen :<\/strong> \u00c9paisseur de paroi standard pour l\u2019eau et le gaz jusqu\u2019\u00e0 25 bars<\/li>\n<li><strong>Diam\u00e8tres :<\/strong> \u00bd\u00a0\u00bb, \u00be\u00a0\u00bb, 1&Prime;, 1\u00bc\u00a0\u00bb, 1\u00bd\u00a0\u00bb, 2&Prime;, 2\u00bd\u00a0\u00bb, 3&Prime;, 4&Prime;, 5&Prime;, 6&Prime;<\/li>\n<li><strong>\u00c9paisseur de paroi :<\/strong> 2,3 \u00e0 5,4 mm selon le diam\u00e8tre<\/li>\n<\/ul>\n<h3>EN 10255 (norme europ\u00e9enne moderne)<\/h3>\n<p>Remplace DIN 2440. Classe les tubes en trois cat\u00e9gories :<\/p>\n<ul>\n<li><strong>L (l\u00e9ger) :<\/strong> Paroi fine pour usage g\u00e9n\u00e9ral basse pression<\/li>\n<li><strong>M (moyen) :<\/strong> Standard pour l\u2019adduction d\u2019eau, le gaz, la protection incendie<\/li>\n<li><strong>H (lourd) :<\/strong> Paroi renforc\u00e9e pour les hautes pressions ou les applications structurelles<\/li>\n<\/ul>\n<h2>\u00c9paisseur du rev\u00eatement de zinc<\/h2>\n<p>La protection d\u00e9pend de l\u2019\u00e9paisseur de la couche galvanique, en g\u00e9n\u00e9ral :<\/p>\n<table>\n<thead>\n<tr>\n<th>Standard<\/th>\n<th>\u00c9paisseur de zinc (int\u00e9rieur)<\/th>\n<th>\u00c9paisseur de zinc (ext\u00e9rieur)<\/th>\n<th>Usage<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>DIN 2444 (l\u00e9ger)<\/td>\n<td>70 g\/m\u00b2<\/td>\n<td>200 g\/m\u00b2<\/td>\n<td>Adduction d\u2019eau g\u00e9n\u00e9rale<\/td>\n<\/tr>\n<tr>\n<td>EN 10255 moyen<\/td>\n<td>400 g\/m\u00b2 min<\/td>\n<td>400 g\/m\u00b2 min<\/td>\n<td>Protection incendie, industriel<\/td>\n<\/tr>\n<tr>\n<td>EN 10240 A1<\/td>\n<td>500\u2013800 g\/m\u00b2<\/td>\n<td>500\u2013800 g\/m\u00b2<\/td>\n<td>Zones \u00e0 forte corrosion<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><em>Remarque :<\/em> 1 g\/m\u00b2 de Zn \u2248 0,14 \u03bcm d\u2019\u00e9paisseur.<\/p>\n<h2>Utilisations<\/h2>\n<h3>R\u00e9seaux de protection incendie<\/h3>\n<p>Tubes galvanis\u00e9s obligatoires selon la NFPA 13 (et le d\u00e9cret grec PD 71\/1988). Le zinc int\u00e9rieur prot\u00e8ge de l\u2019eau stagnante : les r\u00e9seaux incendie sont \u00e0 l\u2019arr\u00eat 99 % du temps, l\u00e0 o\u00f9 un tube non galvanis\u00e9 rouillerait vite.<\/p>\n<h3>Adduction d\u2019eau ext\u00e9rieure &amp; Irrigation<\/h3>\n<p>R\u00e9seaux d\u2019irrigation d\u2019exploitations, r\u00e9seaux ext\u00e9rieurs de b\u00e2timents. Le tube galvanis\u00e9 r\u00e9siste mieux au gel et aux UV que le tube nu.<\/p>\n<h3>R\u00e9seaux d\u2019air comprim\u00e9<\/h3>\n<p>Dans les usines et les unit\u00e9s industrielles, le tube galvanis\u00e9 est le choix habituel pour les r\u00e9seaux d\u2019air comprim\u00e9. L\u2019avantage : le zinc int\u00e9rieur emp\u00eache l\u2019oxydation due \u00e0 l\u2019humidit\u00e9 de l\u2019air comprim\u00e9.<\/p>\n<h3>Gaz (naturel \/ GPL)<\/h3>\n<p>Pour les installations en surface (non enterr\u00e9es), le tube galvanis\u00e9 est une solution courante. La norme applicable est l\u2019EN 10255.<\/p>\n<h3>Constructions structurelles<\/h3>\n<p>Garde-corps, escaliers, mains courantes, ferronnerie, ossatures m\u00e9talliques. Le tube galvanis\u00e9 remplace le tube noir l\u00e0 o\u00f9 la peinture ne suffit pas (en ext\u00e9rieur).<\/p>\n<h3>G\u00e9nie climatique &amp; Supports \u00e9lectriques<\/h3>\n<p>Supports pour groupes ext\u00e9rieurs de climatisation, m\u00e2ts d\u2019\u00e9clairage, chemins de c\u00e2bles en installation industrielle.<\/p>\n<h2>Quand ce n\u2019est PAS le meilleur choix<\/h2>\n<ul>\n<li><strong>Eau potable :<\/strong> Dans les anciennes installations \u00e0 tubes galvanis\u00e9s pour l\u2019eau potable, des \u00e9l\u00e9ments (Pb, Cd) peuvent migrer depuis l\u2019ancienne galvanisation. Pratique moderne : tubes plastiques (PPR, PEX) ou inox pour l\u2019eau potable.<\/li>\n<li><strong>Chauffage :<\/strong> Les temp\u00e9ratures sup\u00e9rieures \u00e0 60 \u00b0C d\u00e9clenchent des r\u00e9actions \u00e9lectrochimiques, pr\u00e9f\u00e9rez le cuivre ou l\u2019inox.<\/li>\n<li><strong>Installations enterr\u00e9es :<\/strong> La galvanisation ne suffit pas en cas d\u2019exposition s\u00e9v\u00e8re au sol. Un rev\u00eatement \u00e9poxy suppl\u00e9mentaire ou un remplacement par du PEHD est n\u00e9cessaire.<\/li>\n<li><strong>Solutions chimiques :<\/strong> Le zinc est attaqu\u00e9 par les solutions acides et basiques. Il faut de l\u2019inox 316L ou un alliage sp\u00e9cial.<\/li>\n<\/ul>\n<h2>Comparaison avec les autres m\u00e9thodes de protection<\/h2>\n<table>\n<thead>\n<tr>\n<th>M\u00e9thode<\/th>\n<th>Durabilit\u00e9<\/th>\n<th>Co\u00fbt<\/th>\n<th>Usage id\u00e9al<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Galvanisation \u00e0 chaud<\/td>\n<td>25 \u00e0 75 ans<\/td>\n<td>Moyen<\/td>\n<td>Protection incendie, eau industrielle, structure<\/td>\n<\/tr>\n<tr>\n<td>Galvanisation \u00e9lectrolytique<\/td>\n<td>3 \u00e0 10 ans<\/td>\n<td>Faible<\/td>\n<td>R\u00e9seaux int\u00e9rieurs non critiques<\/td>\n<\/tr>\n<tr>\n<td>Rev\u00eatement \u00e9poxy<\/td>\n<td>15 \u00e0 30 ans<\/td>\n<td>\u00c9lev\u00e9<\/td>\n<td>Enterr\u00e9, environnements chimiques<\/td>\n<\/tr>\n<tr>\n<td>Galvanisation \u00e0 froid (peinture)<\/td>\n<td>3 \u00e0 7 ans<\/td>\n<td>Faible<\/td>\n<td>R\u00e9paration, protection localis\u00e9e<\/td>\n<\/tr>\n<tr>\n<td>Inox 304\/316L<\/td>\n<td>50+ ans<\/td>\n<td>Tr\u00e8s \u00e9lev\u00e9<\/td>\n<td>Eau potable, alimentaire, chimie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>Autres normes et certifications<\/h2>\n<ul>\n<li><strong>ASTM A53 :<\/strong> Norme am\u00e9ricaine tr\u00e8s r\u00e9pandue pour les tubes en acier soud\u00e9s et sans soudure.<\/li>\n<li><strong>BS 1387:<\/strong> Norme britannique pour les tubes en acier soudables et filetables.<\/li>\n<li><strong>NSF :<\/strong> Certification pour le contact avec l\u2019eau potable (sans plomb). Dans la pratique moderne, le tube en acier galvanis\u00e9 n\u2019est toutefois pas recommand\u00e9 pour les r\u00e9seaux d\u2019eau potable int\u00e9rieurs.<\/li>\n<\/ul>\n<h2>Applications suppl\u00e9mentaires<\/h2>\n<ul>\n<li><strong>Installations agricoles :<\/strong> Serres (ossature), abris pour animaux, syst\u00e8mes d\u2019irrigation ext\u00e9rieurs.<\/li>\n<li><strong>CVC :<\/strong> Gaines de ventilation, lignes frigorifiques, supports d\u2019unit\u00e9s ext\u00e9rieures.<\/li>\n<li><strong>Plomberie ext\u00e9rieure :<\/strong> Robinets ext\u00e9rieurs, descentes, conduites d\u2019eaux grises.<\/li>\n<li><strong>\u00c9l\u00e9ments structurels :<\/strong> \u00c9chafaudages, murs de sout\u00e8nement, cl\u00f4tures.<\/li>\n<\/ul>\n<h2>Installations enterr\u00e9es, protection suppl\u00e9mentaire<\/h2>\n<p>Quand un tube galvanis\u00e9 est enterr\u00e9, une protection suppl\u00e9mentaire est n\u00e9cessaire :<\/p>\n<ul>\n<li>Enrubannage avec une bande anticorrosion.<\/li>\n<li>Protection contre les sols agressifs (acides ou \u00e0 forte teneur en sel).<\/li>\n<li>Sceller les bords coup\u00e9s pour que l\u2019\u00e2me non galvanis\u00e9e ne soit pas expos\u00e9e.<\/li>\n<\/ul>\n<p>La galvanisation seule ne suffit pas pour un usage enterr\u00e9 durable.<\/p>\n<div style=\"border:1px solid rgba(221,43,28,.28);border-radius:10px;padding:22px;margin:26px 0;background:rgba(255,255,255,.02);\">\n<div style=\"margin-bottom:14px;\">\n<div style=\"font-family:'Barlow Condensed', sans-serif;font-size:1.35rem;font-weight:700;line-height:1.15;margin-bottom:2px;color:#ffffff;\">Galvanisation de tubes AXINAR<\/div>\n<div style=\"opacity:.85;font-size:.92rem;color:#ffffff;\">\u00c9paisseurs EN 10255 \/ EN 10240 selon sp\u00e9cification<\/div>\n<\/div>\n<div>\n<p style=\"margin:0 0 12px 0;line-height:1.55;color:#ffffff;\">AXINAR galvanise tubes, raccords et produits complets selon l\u2019EN 10255. Pour les constructions compl\u00e8tes (kits de tuyauterie), nous assurons la coupe, le soudage et la galvanisation en une seule prestation.<\/p>\n<ul style=\"margin:0 0 14px 0;padding-left:20px;color:#ffffff;\">\n<li style=\"margin-bottom:6px;\">Galvanisation de tubes entiers<\/li>\n<li style=\"margin-bottom:6px;\">\u00c9paisseur de zinc 400+ g\/m\u00b2 pour l\u2019industriel<\/li>\n<li style=\"margin-bottom:6px;\">Certificats par lot<\/li>\n<\/ul>\n<p><a href=\"https:\/\/axinar.com\/fr\/tolerie-industrielle\/galvanisation\" style=\"display:inline-block !important;background:#dd2b1c !important;color:#ffffff !important;font-family:Barlow Condensed, sans-serif !important;font-size:.9rem !important;font-weight:700 !important;text-transform:uppercase !important;letter-spacing:1.2px !important;padding:10px 22px !important;border-radius:6px !important;text-decoration:none !important;margin-top:10px;\">Voir le service \u2192<\/a><\/div>\n<\/div>\n<h2>Demander un devis pour votre projet<\/h2>\n<p>Envoyez-nous des croquis, des plans CAO ou une description de votre projet, et nous r\u00e9pondons sous 24 heures avec une estimation technique. Nous couvrons tout, du prototype \u00e0 la production OEM de masse.<\/p>\n<p><a href=\"https:\/\/axinar.com\/fr\/contact\" style=\"display:inline-block !important;background:#dd2b1c !important;color:#ffffff !important;font-family:Barlow Condensed, sans-serif !important;font-size:1rem !important;font-weight:700 !important;text-transform:uppercase !important;letter-spacing:1.5px !important;padding:12px 28px !important;border-radius:8px !important;text-decoration:none !important;margin-top:8px;\">Demander un devis \u2192<\/a><\/p>\n<hr>\n<p><em>Voir aussi <a href=\"https:\/\/axinar.com\/fr\/blog\/hot-vs-cold-galvanizing\">galvanisation \u00e0 chaud ou \u00e0 froid<\/a> ou <a href=\"https:\/\/axinar.com\/fr\/blog\/industrial-hot-dip-galvanizing-applications\">applications industrielles de la galvanisation<\/a>.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le tube en acier galvanis\u00e9 est l\u2019un des produits les plus courants, les plus \u00e9prouv\u00e9s et les plus normalis\u00e9s des [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":4959,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_eb_attr":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"rank_math_title":"Tube en acier galvanis\u00e9 : DIN 2440, EN 10255 | AXINAR","rank_math_description":"Tube en acier galvanis\u00e9 : types selon DIN 2440 (l\u00e9ger, moyen, lourd), \u00e9paisseurs de zinc, usages en protection incendie, adduction d\u2019eau, gaz et charpente. Le guide AXINAR.","footnotes":""},"categories":[381,167],"tags":[],"class_list":["post-9150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/posts\/9150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/users\/16"}],"replies":[{"embeddable":true,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/comments?post=9150"}],"version-history":[{"count":0,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/posts\/9150\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/media\/4959"}],"wp:attachment":[{"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/media?parent=9150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/categories?post=9150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/axinar.com\/fr\/wp-json\/wp\/v2\/tags?post=9150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}