DIN17175 Alloy Steel Seamless Pipe 1.Standard:BS,GB,DIN,ASTM,JIS 2,Material:Cr-Mo alloy ... /plain end or varnished DIN17175 Alloy Steel Seamless Pipe 1.Standard:BS,GB,DIN,ASTM,JIS2,Material:Cr-Mo alloy3.Price ... per costumers' requirements6.Dimensions,mechanical properties,chemical compositions:refer to relative standard as per costumers' requirements7.Packing:length>12m, quantity>100 tons ...