HKCX alloy steel pipe, Certification : ISO, GOST, CE

We offer alloy steel pipe. Seamless steel pipe(erw , saw , lsaw , ssaw) outer diameter 1"-36" thickness: 3 - 60 mm process method：cold drawing，hot roll，thermal expansion pipe material: c.s:20#, 45#,q235,20g,a106b,a53b,api5l grb, x42 x52,x56,x60,x65,x70,x80 a.s:12cr1movg, 10crmo910, 15crmo,p12.p11,p22,p5,p9,p91 s.s:tp304,tp304l,tp316l standard:bs, gb, astm, api,din surface treatment: transparent oil, rust-proof black oil or hot galvanized end:plain end,beveled end packaging: plastic pipe cap and steel strips bundled