ASTM碳钢和低合金钢标准
发布时间：2009-9-21来源：admin阅读次数：892
ASTM - American Society for Testing and Materials AMS - Aerospace Material Specification AISI - American Iron and Steel Institute IC - Investment Casting Institute MIL - Military Specification SAE - Society of Automotive Engineers
ACI - Alloy Casting Institute IN - International Nickel
QQ - Federal Specifications
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