Sign In | Join Free | My tjskl.org.cn |
|
TORICH BS 3059 Gr.320 SA210 A1 STB340 U Tube Heat Exchanger Condensing Gas Boiler Tube Industrial Water Pipe Boiler Quick Detail: Standard: ASTM/ASME A213 Grade: T2, T5, T5b, T5c, T9, T11, T12, T17, ...