欢迎来到天天文库
浏览记录
ID:20376907
大小:125.00 KB
页数:7页
时间:2018-10-11
《钢铁材料的许用应力》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、word资料下载可编辑表1普通碳钢及优质碳钢构件基本许用应力/MPa材料类型材料标号截面尺寸/mm热处理材料性能拉压弯曲扭转剪切抗拉强度σb屈服强度σs/MPaⅠⅡⅢⅠⅡⅢⅠⅡⅢⅠⅡⅢσlσlσlσσστnτnτnτττ普通碳钢Q215100热扎σb335~410σs185~215145125901751401059590601009060Q235σb375~460σs205~235160140100190160120105956511010070Q275σb490~610σs235~2751751501102101701301151057012011080
2、优质碳钢20≤100正火σb410σs245175145105210165125115105701201057525σb450σs275195160115230175135125115751351208035σb530σs3152101801252502001501351208014512085调质σb550~750σs320~370210185130250205155135125851451208545正火σb600σs3552302001452702201701501359016014095调质σb630~800σs370~430250215150300
3、23518016015010017515010050≤25正火σb630σs375250215150300235180160150100175150100≤100调质σb>700σs>400265235165310260195170155105180160110专业技术资料word资料下载可编辑表2碳钢铸件基本许用应力/MPa材料标号截面尺寸/mm热处理材料性能拉压弯曲扭转剪切抗拉强度σb屈服强度σs/MPaⅠⅡⅢⅠⅡⅢⅠⅡⅢⅠⅡⅢσlσlσlσσστnτnτnτττZG200~400100正火及回火σb400σs2001351209016013510590
4、8060958560ZG230~450σb450σs23015514010018515512010085651109065ZG270~500σb500σs2701751601152101751351151007512010575ZG310~570σb570σs3101901701252301901451251058013011080ZG340~640σb640σs3402001801302402051551301158714012087专业技术资料word资料下载可编辑表3灰铸铁基本许用应力/MPa材料标号壁厚/mm抗压强度/MPa抗拉强度/MPa中心抗压弯
5、曲扭剪压拉拉压ⅠⅡⅠⅡⅢⅠⅡⅢⅠⅡⅢσlσlσlσlσlττττττHT-150>2.5~10500~70017514080502820503023452418>10~2014514080412417412519372015>20~3013014080372115372217331813>30~5012014080341914342115311712HT-200>2.5~10600~800220170100633625633828573123>10~20195170100563222563325502720>20~3017017010049281949292
6、2442417>30~50160170100462618462721412216HT-250>4.0~10800~1000270230130774431774635693728>10~20240230130693927694131623325>20~30220230130633625633828573123>30~50200230130573223573426512821HT-300>10~201000~1200290285160834733835037754030>20~30250285160714129714332643526>30~5023028516
7、0663726663930593224HT-350>10~201100~1300340315180975539975844874735>20~30290315180834733835037754030专业技术资料word资料下载可编辑>30~50260315180744230744433673627附表钢铁的许用应力(kgf/cm2)载荷软钢中硬钢铸钢钢铁拉伸ⅠⅡⅢ900~1500600~1000300~5001200~1800800~1200400~600600~1200400~600200~400300200100压缩ⅠⅡ900~1500600~1000
8、1200~1800800~1200900~15006
此文档下载收益归作者所有