erw api 5l steel pipe Manufacture OD:48.3---610mm Thickness:2.---14mm Standard:EN1,API ,ASTM. Material:GRB ,X42,J55,X65 S35 Product NameASTM STANDARD Carbon Steel PipeBrandAoluyuanSpecificationOD 33mm - 914.4mm(1”~36”) with thickness of 3~30mmStandardGB/T8162,GB/T8163 and DIN/JIS/ASTM standarda. DIN Standard 10#(ST37-2,ST35-8),20#(ST42,ST45-4/8),45#(DIN CK45),16mn(ST52.4) etc.b. JIS Standard10#( ...