Standard:API, ASTM, BS, DIN, GB, JISStandard2:API 5DP, API 5L, ANSI A213-2001, ASTM A213-2001, ASTM A789-2001, BS 6323, BS EN10296, DIN EN 10216-1-2004, DIN EN 10217-1-2005, GB 18248-2000, GB 3087-1999, JIS G3452-2004, JIS G3456-2004, JIS G3457-2005, JIS G3469-2002Grade Group:10#-45#, 10MoWVNb, API J55-API P110, Mo, STPA22-STPA26, STPG42Grade:20#, 10MoWVNb, API N80, 16Mo, STPA23, STPG42Thickness:0.5 - 2 mmSection Shape:SquareOuter Diameter:13x15mm to 400x400mmPlace of Origin:Shanxi, China (Mainland)Application:Structure PipeTechnique:ERWCertification:CESurface Treatment:Copper CoatedSpecial Pipe:API PipeAlloy Or Not:Non-alloyColor:SliverSecondary Or Not:Non-secondary