5439| 2
|
请问各位大侠,440不锈钢渗氮处理后,硬度能达到多少 |
| ||
发表于 2021-12-30 13:56:10
|
显示全部楼层
| ||
小黑屋|手机版|Archiver|机械社区 ( 京ICP备10217105号-1,京ICP证050210号,浙公网安备33038202004372号 )
GMT+8, 2024-11-16 21:22 , Processed in 0.045416 second(s), 15 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.