下载采钢宝App
手机询报价, 沟通更容易
食品级不锈钢能做成表面不粘特性的吗？用于
问：什么是钢材的屈强比，屈强比高低如何影响钢
铁工：钢材屈强比是指钢材的抗拉强度实测值/屈服强度实测值得来的，反映了钢材的强度储备，其结果不能小于1.25。对于钢筋来讲，是衡量抗震性能的指标。根据GB/T 1499.2-2007规定：在牌号后面加“E”。例如HRB400E。
Array ( [tid] => 617 [fid] => 103 [posttableid] => 0 [typeid] => 36 [sortid] => 0 [readperm] => 0 [price] => 0 [author] => 18968586386 [authorid] => 32978 [subject] => 1.2316和4Cr13 性能和用途有什么区别 [dateline] => 1591536628 [lastpost] => 1591536628 [lastposter] => 18968586386 [views] => 172 [replies] => 0 [displayorder] => 0 [highlight] => 0 [digest] => 0 [rate] => 0 [special] => 0 [attachment] => 0 [moderated] => 0 [closed] => 0 [stickreply] => 0 [recommends] => 0 [recommend_add] => 0 [recommend_sub] => 0 [heats] => 0 [status] => 0 [isgroup] => 0 [favtimes] => 0 [sharetimes] => 0 [stamp] => -1 [icon] => -1 [pushedaid] => 0 [cover] => 0 [replycredit] => 0 [relatebytag] => 0 [maxposition] => 0 [bgcolor] => [comments] => 0 [hidden] => 0 [threadtable] => forum_thread [threadtableid] => 0 [posttable] => forum_post [addviews] => 1 [allreplies] => 0 [is_archived] => [archiveid] => 0 [subjectenc] => 1.2316%E5%92%8C4Cr13%20%20%E6%80%A7%E8%83%BD%E5%92%8C%E7%94%A8%E9%80%94%E6%9C%89%E4%BB%80%E4%B9%88%E5%8C%BA%E5%88%AB [short_subject] => 1.2316和4Cr13 性能和用途有什么区别 [recommendlevel] => 0 [heatlevel] => 0 [relay] => 0 )
使用道具
发表回复 回帖后跳转到最后一页
最佳提问关注量925
