... ASTM A106 Gr.B/ X45/X52/X60 Seamless Steel Tube Size:1/2"-32"*sch5-sch160 XXS ... 316LTP, 317LTPKSWELDEDSTS304, STS304L, STS316, STS316LHEAT EXCHANGE & BOILER TUBE CARBON STEEL TUBEASTM/ASMESEAMLESSA/SA179, A/SA192, A/SA210-A1, A ... TUBEASTM/ASMESEAMLESSA334 GR.1, GR.6JISSEAMLESSSTBL380, STBL450, STBL690ALLOY STEEL TUBEASTM/ASMESEAMLESSA/SA213-T5, T9, T11, T12, T22 ... 5L Gr.B /X45/X52/X60 Seamless Steel Tube