Standards Related to A521/A521M - Standard Specification for Steel, Closed-Impression Die Forgings for General Industrial Use /
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Developed By: Committee A01 on Steel, Stainless Steel and Related Alloys
Developed By: Committee A04 on Iron Castings
Developed By: Committee F25 on Ships and Marine Technology
Developed By: Committee E07 on Nondestructive Testing
Developed By: Committee E06 on Performance of Buildings