SA182 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges,Forged Fittings, * o3 I( c2 u3 Z; H. [
and Valves and Parts for High-Temperature Service0 [4 U% X2 X* f4 d2 Q% |1 U4 I
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 . K$ x+ @' \( m, S( a5 a 7 r9 }; G! w# C m( Q! A[ 本帖最后由 IMWORKMAN 于 2007-10-9 23:41 编辑 ]