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管道、管件、法兰和阀门等材质的相关知识，建议直接看ASTM标准。

1）ASTM A182 《高温用锻制或轧制合金钢和不锈钢法兰、锻制管件、阀门和部件（Standard specification for Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings , and Valve and Parts for High-Temperature Service）》

2）ASTM A351《承压件用奥氏体铸钢件的标准规范（Standard Specification for Castings, Austenitic, for Pressure-Container Parts）》

3）ASTM A312《无缝和焊接的以及重度冷加工奥氏体不锈钢公称管标准规范（Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes）》

4）ASTM A403《可锻奥氏体不锈钢管件标准规范（Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings）》

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来源：《装车橇设计大师》/ 3 装车橇组成件 / 3.1 材质。

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