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20cr精密光亮管力学性能

作者:山东华飞管业有限公司    来源:http://skshd.com    时间:2019/4/10 15:05:29

  20cr精密光亮管力学性能

  20cr精密光亮管力学性能是保证钢材***终使用性能(机械性能)的重要指标,它取决于钢的化学成分和热处理制度。在钢管标准中,根据不同的使用要求,规定了拉伸性能(抗拉强度、屈服强度或屈服点、伸长率)以及硬度、韧性指标,还有用户要求的高、低温性能等。20cr精密光亮管现供应

  ①KANGLAQIANGDU(σb)

AG上海百乐门  SHIYANGZAILASHENGUOCHENGZHONG,ZAILADUANSHISUOCHENGSHOUDE******LI(Fb),CHUYISHIYANGYUANHENGJIEMIANJI(So)SUODEDEYINGLI(σ),CHENGWEIKANGLAQIANGDU(σb),DANWEIWEIN/mm2(MPa)。TABIAOSHIJINSHUCAILIAOZAILALIZUOYONGXIADIKANGPOHUAIDE******NENGLI。

  ②QUFUDIAN(σs)

  JUYOUQUFUXIANXIANGDEJINSHUCAILIAO,SHIYANGZAILASHENGUOCHENGZHONGLIBUZENGJIA(BAOCHIHENGDING)RENGNENGJIXUSHENZHANGSHIDEYINGLI,CHENGQUFUDIAN。RUOLIFASHENGXIAJIANGSHI,ZEYINGQUFENSHANG、XIAQUFUDIAN。QUFUDIANDEDANWEIWEIN/mm2(MPa)。

  SHANGQUFUDIAN(σsu):SHIYANGFASHENGQUFUERLISHOUCIXIAJIANGQIANDE******YINGLI; XIAQUFUDIAN(σsl):DANGBUJICHUSHISHUNSHIXIAOYINGSHI,QUFUJIEDUANZHONGDE***XIAOYINGLI。

  QUFUDIANDEJISUANGONGSHIWEI:

AG上海百乐门  SHIZHONG:Fs--SHIYANGLASHENGUOCHENGZHONGQUFULI(HENGDING),N(NIUDUN)So--SHIYANGYUANSHIHENGJIEMIANJI,mm2。

AG上海百乐门  ③DUANHOUSHENZHANGLV(σ)

AG上海百乐门  ZAILASHENSHIYANZHONG,SHIYANGLADUANHOUQIBIAOJUSUOZENGJIADEZHANGDUYUYUANBIAOJUZHANGDUDEBAIFENBI,CHENGWEISHENZHANGLV。YIσBIAOSHI,DANWEIWEI%。JISUANGONGSHIWEI:σ=(Lh-Lo)/L0*100%

  SHIZHONG:Lh--SHIYANGLADUANHOUDEBIAOJUZHANGDU,mm; L0--SHIYANGYUANSHIBIAOJUZHANGDU,mm。

AG上海百乐门  ④DUANMIANSHOUSUOLV(ψ)

AG上海百乐门  ZAILASHENSHIYANZHONG,SHIYANGLADUANHOUQISUOJINGCHUHENGJIEMIANJIDE******SUOJIANLIANGYUYUANSHIHENGJIEMIANJIDEBAIFENBI,CHENGWEIDUANMIANSHOUSUOLV。YIψBIAOSHI,DANWEIWEI%。JISUANGONGSHIRUXIA:

  SHIZHONG:S0--SHIYANGYUANSHIHENGJIEMIANJI,mm2; S1--SHIYANGLADUANHOUSUOJINGCHUDE***SHAOHENGJIEMIANJI,mm2。

  ⑤YINGDUZHIBIAO

AG上海百乐门  JINSHUCAILIAODIKANGYINGDEWUTIYAXIANBIAOMIANDENENGLI,CHENGWEIYINGDU。GENJUSHIYANFANGFAHESHIYONGFANWEIBUTONG,YINGDUYOUKEFENWEIBUSHIYINGDU、LUOSHIYINGDU、WEISHIYINGDU、XIAOSHIYINGDU、XIANWEIYINGDUHEGAOWENYINGDUDENG。DUIYUGUANCAIYIBANCHANGYONGDEYOUBUSHI、LUOSHI、WEISHIYINGDUSANZHONG。

AG上海百乐门  A、BUSHIYINGDU(HB)

  YONGYIDINGZHIJINGDEGANGQIUHUOYINGZHIHEJINQIU,YIGUIDINGDESHIYANLI(F)YARUSHIYANGBIAOMIAN,JINGGUIDINGBAOCHISHIJIANHOUXIECHUSHIYANLI,CELIANGSHIYANGBIAOMIANDEYAHENZHIJING(L)。BUSHIYINGDUZHISHIYISHIYANLICHUYIYAHENQIUXINGBIAOMIANJISUODEDESHANG。YIHBS(GANGQIU)BIAOSHI,DANWEIWEIN/mm2(MPa)。

  QIJISUANGONGSHIWEI:

  SHIZHONG:F--YARUJINSHUSHIYANGBIAOMIANDESHIYANLI,N; D--SHIYANYONGGANGQIUZHIJING,mm; d--YAHENPINGJUNZHIJING,mm。

  CEDINGBUSHIYINGDUJIAOZHUNQUEKEKAO,DANYIBANHBSZHISHIYONGYU450N/mm2(MPa)YIXIADEJINSHUCAILIAO,DUIYUJIAOYINGDEGANGHUOJIAOBODEBANCAIBUSHIYONG。ZAIGANGGUANBIAOZHUNZHONG,BUSHIYINGDUYONGTU***GUANG,WANGWANGYIYAHENZHIJINGdLAIBIAOSHIGAICAILIAODEYINGDU,JIZHIGUAN,YOUFANGBIAN。

  JULI:120HBS10/1000/30:BIAOSHIYONGZHIJING10mmGANGQIUZAI1000Kgf(9.807KN)SHIYANLIZUOYONGXIA,BAOCHI30s(MIAO)CEDEDEBUSHIYINGDUZHIWEI120N/ mm2(MPa)。


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