天气预报15天查询> 家居> crwmn是什么材质

crwmn是什么材质

更新时间: 2020-12-07 16:45:23     

高碳合金工具钢。crwmn钢材中含有钨的金属元素,在此原因下便会产生碳化物。在经过淬火与回火工艺后,会产生很多的碳化物质,在硬度与磨损程度上也会大幅度的提升,并且相比于铬钢与9sici钢材而言,质量更加优秀。同时一些微小的晶状粒体也是因为钨元素的存在,而得到了更好的保存,这种高碳合金钢的韧性也因为细小粒子的存续而变得很坚韧。主要是应用于刀具的制作上。

关键词: crwmn 什么 材质

如有意见、反馈、侵权或投诉等情况,请联系:

电话:
邮箱:

我们将会在48小时内给与处理!

版权所有 Copyright ? 2009-2020 tianqiyubao3.com

页面:/news/view-3542174/ | 耗时:0.0776 s | 内存:1.89 MB | 查询:4 | 缓存读取:4 写入:0 | 加载文件:23
select * from tbl_Articles WHERE ArticleID=3542174 LIMIT 0,1
select * from tbl_Articles_data WHERE ArticleID=3542174 LIMIT 0,1
select * from tbl_Articles_sphinx where id=3542174 LIMIT 0,1
SELECT ArticleID,Title FROM tbl_Articles WHERE ArticleID IN(3544094,3542534,1093122,3540928,3542504,3543903,3541864,3541572,3543737,3541594,3540815,3541420,3541377,3542031,3544092,3541396,1059200,3541450,1046234,3540879,3532531,3541896,1093270,1054402,3540891,3540803,1071211,3542215,3542478,3541297) ORDER BY field (ArticleID,3544094,3542534,1093122,3540928,3542504,3543903,3541864,3541572,3543737,3541594,3540815,3541420,3541377,3542031,3544092,3541396,1059200,3541450,1046234,3540879,3532531,3541896,1093270,1054402,3540891,3540803,1071211,3542215,3542478,3541297)