... ,ASTM. Material:GRB ,X42,J55,X65 S35 Product NameASTM STANDARD Carbon Steel PipeBrandAoluyuanSpecificationOD 33mm - 914.4mm(1”~36”) with thickness of 3 ... #(ST37-2,ST35-8),20#(ST42,ST45-4/8),45#(DIN CK45),16mn(ST52.4) etc.b. JIS Standard10#(STPG38,STS38,STB30 ... , oil development etc.packingPaint Varnish Coating , Plastic Caps and mark on the pipepayment termT/T or L/C at sight.Methodcold ...