兑水 发表于 2009-9-8 08:15:04

ASTM A 638-2000 高温用沉积硬化铁基超级合金棒,锻件及锻坯料

A638/A638M-00 Standard Specification for Precipitation Hardening Iron Base Superalloy Bars, Forgings, and Forging Stock for High-Temperature Service
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