... .0mm 2. Advanced Roller Extrusion equipment line. 3.Certification:CE, ASTM Carbon Steel Pipes 1. STANDARD:GB/T3094-2000, GB/T6728 ... -2002, ASTM A500, JIS G 3466, DIN EN 10210, GB/T178-20052 ... origination of production units.We have passed the standards of ASTM A500, JIS G 3466, DIN EN10210, GB/T178-2005, GB ...