1.We specially produce seamless steel pipe, 2.OD:1/2"-24" WT:2.5-50mm ... 4.Formed a worldwide 1.Name:seamless steel pipe2.Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn, ... the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and ... or square cut,plastic capped,painted.7.Application:seamless steel pipe for low and medium pressure boiler,high pressure boiler ...