Detailed introduction to structural steel pipe:

 Wall thickness :Sch5S-Sch160, STD,XS, XXS 
Standards :ANSI, ASTM, DIN, JIS, BS, ISO, GB, SH, AND HG etc 
Material 
Stainless Steel: ASTM A403 WP304, 304L, 310, 316, 316L, 321, 347, 904L 
Carbon Steel: ASTM A234 WPB, WPC ASTM A105 WPHY 42, 46, 52, 56, 60, 65, 70, 80 
Alloy Steel: ASTM A234 WP1, WP5, WP9, WP11, WP22, WP91 
Low Temperature: ASTM A420 WPL 1, WPL 3, WPL 6 
Applications 
Petroleum, chemical, power, gas, metallurgy, shipbuilding, construction, etc      Surface treatment: Transparent oil, rust-proof black oil or hot galvanized.                 Special design available All the production process are made according to ISO9001:2000 strictly.