·ASTM A 182/A 182M-2006
高温用锻制或轧制合金钢和不锈钢
管法兰、锻制配件、阀门与部件
Standard Specification for
Forged or Rolled Alloy and Stainless Steel Pipe Flanges,
Forged Fittings,and Valve and Parts for High-Temperature
Service
美国材料与试验学会标准
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