Product:DIN17175 10CrMo910 alloy steel tube Size:1/4"-32"*Sch5-Sch160XXS Standard:GB ASTM JIS DIN Certificate:API ISO Cangzhou Qiancheng Steel-Pipe Co ... , GR.3, GR.6JISSEAMLESSSTPL380, STPL450, STPL690ASTMWELDEDA671-CC60, CC65, CC70 etc..ALLOY STEEL PIPEASTM/ASMESEAMLESSA/SA335-P1, P5, P11, P12, P22, P91JISSEAMLESSSTPA-12 ... balance against with the copy of B/L) DIN17175 10CrMo910 alloy steel tube