{"id":4175,"date":"2023-06-27T08:28:33","date_gmt":"2023-06-27T08:28:33","guid":{"rendered":"https:\/\/www.wldsteel.com\/?p=4175"},"modified":"2023-07-13T13:53:04","modified_gmt":"2023-07-13T13:53:04","slug":"requirements-for-anti-corrosion-steel-pipes-for-anti-corrosion-coatings","status":"publish","type":"post","link":"https:\/\/www.wldsteel.com\/fr\/exigences-pour-les-tuyaux-en-acier-anticorrosion-pour-les-revetements-anticorrosion\/","title":{"rendered":"Exigences relatives aux tubes d'acier anticorrosion pour les rev\u00eatements anticorrosion"},"content":{"rendered":"

Processus anticorrosion courant des tubes en acier anticorrosion Les tubes en acier anticorrosion sont des tubes en acier qui ont \u00e9t\u00e9 trait\u00e9s par la technologie anticorrosion, ce qui permet de pr\u00e9venir ou de ralentir efficacement le ph\u00e9nom\u00e8ne de corrosion caus\u00e9 par des r\u00e9actions chimiques ou \u00e9lectrochimiques pendant le transport et l'utilisation.<\/p>\n\n\n\n

Le tube d'acier anticorrosion ordinaire 3PE fait r\u00e9f\u00e9rence au tube d'acier anticorrosion ext\u00e9rieur \u00e0 rev\u00eatement de polyol\u00e9fine \u00e0 structure \u00e0 trois couches (MAPEC), qui est un tube anticorrosion couramment utilis\u00e9 en Chine. Structure anti-corrosion PE \u00e0 trois couches : premi\u00e8re couche de poudre \u00e9poxy (FBE>100um), deuxi\u00e8me couche d'adh\u00e9sif (AD) 170~250um, et troisi\u00e8me couche de poly\u00e9thyl\u00e8ne (PE) 2,5~3,7mm. Les autres m\u00e9thodes anticorrosion comprennent l'IPN8710, la poudre \u00e9poxy FBE et le brai de goudron \u00e9poxy.<\/p>\n\n\n\n

Outre l'am\u00e9lioration de la dur\u00e9e de vie des tubes en acier, l'utilisation de tubes en acier anticorrosion pr\u00e9sente les avantages suivants :<\/p>\n\n\n\n

1. Combinaison de la r\u00e9sistance m\u00e9canique des tubes en acier et de la r\u00e9sistance \u00e0 la corrosion des tubes en plastique<\/p>\n\n\n\n

2. Le rev\u00eatement de la paroi ext\u00e9rieure est sup\u00e9rieur \u00e0 2,5 mm, r\u00e9sistant aux rayures et aux chocs.<\/p>\n\n\n\n

3. Le coefficient de frottement de la paroi int\u00e9rieure est faible, ce qui r\u00e9duit la consommation d'\u00e9nergie.<\/p>\n\n\n\n

4. La paroi int\u00e9rieure est conforme aux normes nationales d'hygi\u00e8ne<\/p>\n\n\n\n

5. La paroi int\u00e9rieure est lisse et ne s'\u00e9caille pas facilement ; elle a une fonction autonettoyante.<\/p>\n\n\n\n

Les exigences relatives au rev\u00eatement anticorrosion des tuyaux en acier comprennent principalement les trois aspects suivants :<\/p>\n\n\n\n

(1) Le rev\u00eatement form\u00e9 par de bons rev\u00eatements r\u00e9sistants \u00e0 la corrosion doit \u00eatre relativement stable lorsqu'il est expos\u00e9 \u00e0 divers milieux corrosifs tels que les acides, les alcalis, les sels, les eaux us\u00e9es industrielles et les atmosph\u00e8res chimiques, et ne peut pas \u00eatre dissous, gonfl\u00e9 ou d\u00e9compos\u00e9 par les milieux corrosifs. Ils ne peuvent pas non plus r\u00e9agir chimiquement avec le milieu et g\u00e9n\u00e9rer de nouvelles substances nocives ;<\/p>\n\n\n\n

(2) Lorsqu'un bon rev\u00eatement anti-infiltration entre en contact avec un liquide ou un gaz \u00e0 forte perm\u00e9abilit\u00e9, il peut mieux emp\u00eacher sa p\u00e9n\u00e9tration et pr\u00e9venir sa corrosion \u00e0 la surface de la canalisation ;<\/p>\n\n\n\n

(3) Bonne adh\u00e9rence et flexibilit\u00e9 : le rev\u00eatement ne peut pas se d\u00e9tacher sous l'effet des vibrations ou des l\u00e9g\u00e8res d\u00e9formations de la canalisation, et le rev\u00eatement doit pr\u00e9senter une certaine r\u00e9sistance m\u00e9canique.<\/p>\n\n\n\n

\"\"<\/figure>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

Processus anticorrosion commun des tuyaux en acier anticorrosion Les tuyaux en acier anticorrosion sont des tuyaux en acier qui ont \u00e9t\u00e9 trait\u00e9s par la technologie anticorrosion, ce qui permet de pr\u00e9venir ou de ralentir efficacement le ph\u00e9nom\u00e8ne de corrosion caus\u00e9 par des r\u00e9actions chimiques ou \u00e9lectrochimiques pendant le transport et l'utilisation. Le tube d'acier anticorrosion ordinaire 3PE fait r\u00e9f\u00e9rence au rev\u00eatement ext\u00e9rieur anticorrosion en polyol\u00e9fine \u00e0 structure \u00e0 trois couches (MAPEC) [...]<\/p>","protected":false},"author":1,"featured_media":4176,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"\nRequirements For Anti-corrosion Steel Pipes For Anti-corrosion Coatings - API steel oilfield pipeline, casing pipe, OCTG manufacturer and supplier<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wldsteel.com\/fr\/exigences-pour-les-tuyaux-en-acier-anticorrosion-pour-les-revetements-anticorrosion\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Requirements For Anti-corrosion Steel Pipes For Anti-corrosion Coatings - 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