fgp 发表于 2024-12-14 22:02:06

ASTM A914/A914M-92(2011)

ASTM A914/A914M-92(2011)对末端淬火淬透性有限制要求的钢棒材标准规范

tdragonfu 发表于 2025-1-2 16:38:49

http://www.rclbbs.com/forum.php?mod=viewthread&tid=612186
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查看完整版本: ASTM A914/A914M-92(2011)