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ZHONGXINGGANGLIANJINGMIWUFENGGANGGUANDEKANGLAQIANGDU

山东省聊城市中兴钢联管材制造有限公司    更新日期:2014-7-17 14:55:33    点击:1877

  精密无缝钢管力学性能是保证钢材最终使用性能(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。

  ①KANGLAQIANGDU(σb)

  SHIYANGZAILASHENGUOCHENGZHONG,ZAILADUANSHISUOCHENGSHOUDEZUIDALI(Fb),CHUYISHIYANGYUANHENGJIEMIANJI(So)SUODEDEYINGLI(σ),CHENGWEIKANGLAQIANGDU(σb),DANWEIWEIN/mm2(MPa)。TABIAOSHIJINSHUCAILIAOZAILALIZUOYONGXIADIKANGPOHUAIDEZUIDANENGLI。JISUANGONGSHIWEI:

  SHIZHONG:Fb--SHIYANGLADUANSHISUOCHENGSHOUDEZUIDALI,N(NIUDUN); So--SHIYANGYUANSHIHENGJIEMIANJI,mm2。

  ②QUFUDIAN(σs)

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

  SHANGQUFUDIAN(σsu):SHIYANGFASHENGQUFUERLISHOUCIXIAJIANGQIANDEZUIDAYINGLI; XIAQUFUDIAN(σsl):DANGBUJICHUSHISHUNSHIXIAOYINGSHI,QUFUJIEDUANZHONGDEZUIXIAOYINGLI。

  QUFUDIANDEJISUANGONGSHIWEI:

  SHIZHONG:Fs--SHIYANGLASHENGUOCHENGZHONGQUFULI(HENGDING),N(NIUDUN)So--SHIYANGYUANSHIHENGJIEMIANJI,mm2。

  ③DUANHOUSHENZHANGLV(σ)

  ZAILASHENSHIYANZHONG,SHIYANGLADUANHOUQIBIAOJUSUOZENGJIADEZHANGDUYUYUANBIAOJUZHANGDUDEBAIFENBI,CHENGWEISHENZHANGLV。YIσBIAOSHI,DANWEIWEI%。JISUANGONGSHIWEI:

  SHIZHONG:L1--SHIYANGLADUANHOUDEBIAOJUZHANGDU,mm; L0--SHIYANGYUANSHIBIAOJUZHANGDU,mm。

  ④DUANMIANSHOUSUOLV(ψ)

  ZAILASHENSHIYANZHONG,SHIYANGLADUANHOUQISUOJINGCHUHENGJIEMIANJIDEZUIDASUOJIANLIANGYUYUANSHIHENGJIEMIANJIDEBAIFENBI,CHENGWEIDUANMIANSHOUSUOLV。YIψBIAOSHI,DANWEIWEI%。JISUANGONGSHIRUXIA:

  SHIZHONG:S0--SHIYANGYUANSHIHENGJIEMIANJI,mm2; S1--SHIYANGLADUANHOUSUOJINGCHUDEZUISHAOHENGJIEMIANJI,mm2。

  ⑤YINGDUZHIBIAO

  JINSHUCAILIAODIKANGYINGDEWUTIYAXIANBIAOMIANDENENGLI,CHENGWEIYINGDU。GENJUSHIYANFANGFAHESHIYONGFANWEIBUTONG,YINGDUYOUKEFENWEIBUSHIYINGDU、LUOSHIYINGDU、WEISHIYINGDU、XIAOSHIYINGDU、XIANWEIYINGDUHEGAOWENYINGDUDENG。DUIYUGUANCAIYIBANCHANGYONGDEYOUBUSHI、LUOSHI、WEISHIYINGDUSANZHONG。

  A、BUSHIYINGDU(HB)

  YONGYIDINGZHIJINGDEGANGQIUHUOYINGZHIHEJINQIU,YIGUIDINGDESHIYANLI(F)YARUSHIYANGBIAOMIAN,JINGGUIDINGBAOCHISHIJIANHOUXIECHUSHIYANLI,CELIANGSHIYANGBIAOMIANDEYAHENZHIJING(L)。BUSHIYINGDUZHISHIYISHIYANLICHUYIYAHENQIUXINGBIAOMIANJISUODEDESHANG。YIHBS(GANGQIU)BIAOSHI,DANWEIWEIN/mm2(MPa GENGDUOZIXUNhttp://xixi178.com/

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