steel pipe(plain end) Size:1/2"-48" Material:A234-WPB,A420-WPL6, ... 3.Standard:GB,ASTM,API5L,API5CT,DIN,JIS and so on 4.Out Diameter:21.3mm&457mm (1/2”-22”) ... 27SiMn,Q235,ST42,ST52,, A106-a,A106-b,and so on 7.Length:6-12m, As customers requestments 8.Technique: ... Chemistry industry, Electric industry 10.Package:Bundle packing, Bevelled end or plain end or wamished as per buyer’s requestments 11.Supply ...