4731| 2
|
請(qǐng)教:45#鋼管去應(yīng)力退火后對(duì)抗拉強(qiáng)度、硬度、金屬組織有影響嗎? |
| ||
點(diǎn)評(píng)
降低硬度便于加工。
| |
小黑屋|手機(jī)版|Archiver|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1,京ICP證050210號(hào),浙公網(wǎng)安備33038202004372號(hào) )
GMT+8, 2025-5-6 13:46 , Processed in 0.049044 second(s), 14 queries , Gzip On.
Powered by Discuz! X3.4 Licensed
© 2001-2017 Comsenz Inc.