NES 381 PT1-1993 标准详情
- 标准号:NES 381 PT1-1993
- 中文标题:锻造,热处理主推进齿轮 - 渗碳淬火齿轮
- 英文标题:Forging And Heat Treatment Of Main Propulsion Gears - Carburized And Hardened Gears
- 标准类别:东风日产技术标准
- 发布日期:
States requirements for forging and heat treatment of carburized and hardened main propulsion gears in 3% NiCr case hardening steel for use in HM ships and submarines. The forgings will be required for pinions, and wheels/wheel rims which are assumed
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