Product:ASTM A106 Gr.B/ X45/X52/X60 Seamless Steel Tube Size:1/2"-32"*sch5-sch160 XXS Standard:ASTM JIS GB Payment: T/T L/C Cangzhou Qiancheng Steel-Pipe Co.,Ltd.NORMAL PRODUCTS CARBON STEEL PIPEASTM/ASMESEAMLESSA/SA53 GR.BA/SA106 GR.B,A/SA106 GR.CAPISEAMLESSAPI 5L-B, X42, X52, X56, X60, X65JISSEAMLESSSTPG370, STPG410, STPG480STS370, STS410, STS480STPT370, STPT410, STPT480STK400, STK490STKM11, 11 ...