伊娃 发表于 2011-3-22 12:53:15

谁有这两个标准呢?

ISO2639:2002      case-hardened depth(of a carburized and hardened case)
ISO3754:1976   effective depth ofhardening(afterinductionorflamehardeningofsteel)

zhengcj 发表于 2011-9-28 12:50:56

ISO 2639 :
http://www.rclbbs.com/forum.php?mod=viewthread&tid=75132&extra=page%3D1
ISO 3754:
http://www.rclbbs.com/forum.php?mod=viewthread&tid=84549&extra=
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