... of material 3.professional for years Carbon Steel seamless PipeStandardANSI,ASTM ,API.DIN,GB.JISMaterialA106 Gr A,B,A53 Gr B ... ,ASTM A179,A106GrB,ASTM A53GrB,St42,St45,A179,A135,A315B,A214CA333 Gr 6 ... %,Si:0.17-0.37%,MN:0.35-0.65%,P:<0.035%,S:<0.035%,Cu:<0.25%,Ni<0 ... hot expandPacking6 steel strip,bundles,Caps , plastic wrap,loading belt ASTM A106 seamless steel pipe