SA182 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges,Forged Fittings, + I# S0 m+ { U! l. ]
and Valves and Parts for High-Temperature Service . S5 Z6 V; V7 W9 {& i* B高温设备用锻制或轧制的合金钢管法兰、锻制管件、阀门及零件 % C3 c( d% N" D8 L ( w6 T% E' J @% w' J[ 本帖最后由 IMWORKMAN 于 2007-10-9 23:41 编辑 ]