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40cr无缝钢管厂家硬度标准?配送商
作者:Q345B无缝管 来源:http://zjglj56.com 日期:2019/8/16 7:38:10 人气:
40cr无缝钢管厂家硬度标准

  40cr无缝钢管亚博LOL化学成份和力学性能:成分: 硅0.17~0.37%,锰0.5~0.8,铬0.8~1.1%

亚博LOL  40crWUFENGGANGGUANDIAOZHICHULI:SHIYANGZHIJING:25mm,850DUCUIHUOJIAREYOUCUI,520DUHUIHUOHOU:KANGLA1000ZHAOPA,QUFU800ZHAOPA,YANSHEN9%,DUANMIANSHOUSUO45%,CHONGJIRENXING588.3QIANJIAO/PINGFANGMI。

  因其制造工艺不同,又分为热轧(挤压)无缝钢管和冷拔(轧)无缝钢管两种。冷拔(轧)管又分为圆形管和异形管两种。

  REYA(JIYAWUFENGGANGGUAN):YUANGUANPI→JIARE→CHUANKONG→SANGUNXIEYA、LIANYAHUOJIYA→TUOGUAN→DINGJING(HUOJIANJING)→LENGQUE→PIGUAN→JIAOZHI→SHUIYASHIYAN(HUOTANSHANG)→BIAOJI→RUKU。

亚博LOL  LENGBA(YA)WUFENGGANGGUAN:YUANYUANGUANPI→JIARE→CHUANKONG→DATOU→TUIHUO→SUANXI→TUYOU(DUTONG)→DUODAOCILENGBA(LENGYA)→PIGUAN→RECHULI→JIAOZHI→SHUIYASHIYAN(TANSHANG)→BIAOJI→RUKU。

亚博LOL  HEJINGANG:a.DIHEJINGANG(HEJINYUANSUZONGHANLIANG≤5%)b.ZHONGHEJINGANG(HEJINYUANSUZONGHANLIANG>5~10%)c.GAOHEJINGANG(HEJINYUANSUZONGHANLIANG>10%

  无缝管正火规范:正火温度850-870℃,正火后硬度179-229HBS。

亚博LOL  LENGYAMAOPEIRUANHUACHULIGUIFAN:WENDU740~760℃,BAOWENSHIJIAN4~6h,YI50~100℃/hDELENGSU,SUILUJIANGZHIWENDU≤600℃,CHULUKONGLENG.CHULIQIANYINGDU≤217HBS,CHULIHOUYINGDU≤163HBS。

亚博LOL  SHENGTIEXIEBAOHUBAIDONGGUIHUOGUIFAN

  (670±10)℃×2h,SUILUSHENGWEN,(710±10)℃×2h,SUILUJIANGWEN,(670±10)℃×2h,SUILUSHENGWEN,(710±10)℃×2h,ZAISUILUJIANGWEN,(670±10)℃×2h,SUILUSHENGWEN,(710±10)℃×2h,SUILUJIANGWEN,GONG3GEXUNHUAN,ZAIJIANGWENZHI550℃,CHULUKONGLENG。CHULIHOUYINGDU153HBS.

亚博LOL  DIAOZHICHULIGUIFAN:CUIHUOWENDU850±10℃,YOULENG;HUIHUOWENDU520±10℃,SHUI、YOULENGQUE。

亚博LOL  1、KEYONGYULASHENMOJIZHENGXINGMO;

  2、LENGJIYACHONGTOU,ZHONGZAILENGDUNCHONGTOU,10-25mmZHONGHOUGANGBANCHONGKONGCHONGTOU,ZHIJINGΦ5-6mmDEXIAOCHONGTOU;

亚博LOL  3、KEYONGYUZHONG、XIAOXINGCHONGTOU,XIAOXINGGAOSHOUMINGLENGCHONGJIANGONGJU;

  4、SHENGTIEXIEBAOHUBAIDONGHUIHUOGUIFANKEYONGYULENGJIYACHENGXINGMOJU;

  5、FENMOYEJINYAMO。

  MEIMIZHONGLIANGDEJISUANGONGSHI:0.02466*BIHOU*(WAIJING-BIHOU)

40cr无缝钢管

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