86-510-82027818
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Astm a 192 high pressure steam boiler seamless steel pipe, US $ 499 - 1000 / Ton, ASTM, GB, ASTM A106-2006, ASTM A53-2007, ANSI A213M-2001, ANSI B36.10M-2004, ASTM A513-2007, ASTM A199, ASME B36.19M-2004, GB/T 8163-1999, 10#-45#, ST35-ST52, 10#, 20#, 45#, ST37, ST52, ST42, ST35.8, St37-2, St42-2, ST