Our products such as API 5L ERW steel pipe, seamless steel pipe, SSAW steel pipe all have API 5L, API 5CT, EN10219, EN10217, etc international quality system certification.
API 5L Grade B Pipe Specification - Steel Pipe, OCTG ASTM 106 pipe refers to the carbon steel pipe manufactured in hot rolled or cold drawn (rolled) seamless. ASTM A53 pipe covers welded and seamless steel pipe, in carbon black material and some cases in hot dipped galvanized (zinc coated). Difference Amoung API 5L Grade B, ASTM A106 Grade B, ASTM A53 Grade B, more details view here.
API 5L, ASTM A106, A53 Carbon and Alloy Steel Pipe FAQGalvanized steel pipe is the carbon steel pipe that are coated with a protective layer of zinc. The zinc layer served as a sacrificial layer, it will get rust before the carbon steel under neath it. Galvanized steel pipe include Two types:hot dipped galvanized steel pipe and cold galvanized 
Steel Pipes, LSAW, LSAW Carbon Steel manufacturer / supplier in China, offering Big Diameter / Heavy Longitudinal Submerged Arc Welded Carbon Steel Pipe API5l / ASTM A252 / ASTM A53 /En10219, Flanged Spigot Pipe with Puddle Flange (FM) Pn10/16, Spiral Pipe SSAW 219~2500mm Diameter Anti Corrosion Surface Treatment and so on.
Factory supplied Api 5l X70 Psl2 Steel Line Pipe - LSAW Short Description:1. Basic product information Product Name:LSAW Structural Pipe 2, product attributes Brand:Rise-steel Model:API5L, ASTM A252, ASTM A53, GB/T 8, API 5CT, ASTM A53, ASTM A500.
Hollow section Galvanized Steel Pipe manufacturers and Hollow section Galvanized Steel Pipe pre gal Inquiry For Pricelist For inquiries about our products or pricelist, please leave your email to us and we will be in touch within 24 hours.