smls Cold drawn API PIPE size:1/2"-24" Thickness:Sch10-Sch160,XXS,XS,STD Standard:ANSI. JIS. DIN,GB smls Cold drawn API PIPEMaterial:1. CARBON STEEL: Astm a 53/106/ API 5LA/B,ST37,ST35.82. Standard: Seamless – ASTM A106, API 5L, ASTM A179, , ASTM A53, ASTM A192, ASTM A333 Welded – API 5L, ASTM A53,ASTM A671/ A672. High yield Grade: X42, X46, X52, X56, X60, X65, X70, X80, PSL 1,2.High temp grade: ...