|
4457| 3
|
[求助] 20Mn材料如何制定氮化工艺,氮化硬度在深0.05mm时500HV0.3,以上 |
|
| |
| ||
|Archiver|手机版|小黑屋|热处理论坛
( 苏ICP备2021037530号|苏公网安备32059002001695号 )
Copyright © 2005-2025, rclbbs.com 苏州热协网络技术有限公司 版权所有
GMT+8, 2026-3-19 05:25 , Processed in 0.027916 second(s), 21 queries .
Powered by Discuz! X3.5
© 2001-2026 Discuz! Team.