SA182 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges,Forged Fittings, ( d0 ]+ s4 Z6 D
and Valves and Parts for High-Temperature Service- O2 E/ F" D; k- n0 S+ M6 _
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 8 \0 C) T, g: ^1 L- f x* u. c* ?$ B1 E. A
[ 本帖最后由 IMWORKMAN 于 2007-10-9 23:41 编辑 ]