SA182 Standard Specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges,Forged Fittings, " |2 n' |5 ~/ R
and Valves and Parts for High-Temperature Service $ Q: m- f4 O! C+ P* `6 j* 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! _. v( W4 I: X$ u1 q& A
/ S; b' z- d2 ?+ R: b
[ 本帖最后由 IMWORKMAN 于 2007-10-9 23:41 编辑 ]