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楼主 |
发表于 2019-12-1 11:47:35
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谢谢。ASTM B564-2017a镍合金锻件标准规范,ASTM B637 - 18 Standard Specification for Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service。
有没有楼上说的LNG用的殷瓦钢标准呢。谢谢 |
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