our main business is seamless steel pipe We mainly produce that diameter from 1/2 inch to 12 inch, wall thickness from 2mm to 40mm.material and standard as below,material:10#,20#,35#,45#,16Mn,ST35,ST37,ST45,ST55,CK45,ST52, A53A/B,A106A/B,SS400,20Cr,40Cr,X42,X60,X70,35CrMo,42CrMo,12CrMoV,10CrMo910,12Cr1MoV,15CrMo etc.standard:GB/T8162-1999 structral seamless steel tube, GB/T8163-1999 fluid seamless steel pipe , GB/T3087-1999 boiler tube, GB/T5310-1999 high-pressure boiler seamless steel pipe .ASTM A 106, ASTM A 53,ASTM A179 ,DIN1629/2448 , API 5L , API 5CT etc ..if you have any inquiry of steel pipe please inform me.we hope to cooperation with youTel: +86-0635-2128811E-mail: sdsina1228@yahoo.cnWebsite: www.jingmigangguan.cn
