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QT400-18鑄件化學成份力學性能

來源:本站整理 網絡 2016-07-20 瀏覽
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QT400-18是球墨鑄鐵的牌號,QT為“球鐵”的字頭,400是表示抗拉強度400MPa,18是延伸率18%。

QT400-18

YIXIASHIQT400-18DEXIANGXICANSHU:

金巴黎彩票 CAILIAOMINGCHENG:QIUMOZHUTIE

PAIHAO:QT400-18

BIAOZHUN:GB 1348-88

●QT400-18特性及適用范圍:

WEITIESUTIXINGQIUMOZHUTIE,JUYOULIANGHAODEHANJIEXINGHEQIEXUEXING,CHANGWENSHICHONGJIRENXINGGAO。ERQIESUXINGJIAOGAO。CUIXINGZHUANBIANWENDUDI,TONGSHIDIWENRENXINGYEJIAOHAO。YONGZUONENGCHENGSHOUGAOCHONGJIZHENDONGJINIUZHUANDENGDONG、JINGZAIHEDELINGJIAN,YAOQIUJIAOGAODERENXINGHESUXING,TEBIEZAIDIWENGONGZUOYAOQIUYIDINGCHONGJIZHIDELINGJIAN

●QT400-18化學成份:

金巴黎彩票 TAN C :3.45~3.64

金巴黎彩票 GUI Si:2.47~3.00

MENG Mn:0.45~0.57

金巴黎彩票 LIU S :0.012~0.026

金巴黎彩票 LIN P :0.047~0.060

MEI Mg:0.029~0.062

LAI Re:0.032~0.047

●QT400-18力學性能:

KANGLAQIANGDU σb (MPa):≥400

金巴黎彩票 TIAOJIANQUFUQIANGDU σ0.2 (MPa):≥250

CHONGJIRENXINGZHI αkv (J/cm2):≥18

金巴黎彩票 YINGDU :130~180HB

●QT400-18熱處理規范及金相組織:

RECHULIGUIFAN:(YOUGONGFANGDING,YIXIAWEIMOUSHIYANGDERECHULIGUIFAN,GONGCANKAO) 920~ 980℃BAOCHI 2~5h,LULENGDAO 600℃KONGLENG,HUOLULENGZHI 700~ 760℃BAOWEN 3~6h,ZAILULENGZHI 600℃KONGLENG

JINXIANGZUZHI:TIESUTI

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