SAE4142H是美标保淬透性合金结构钢,执行标准:SAE J1268-2000
SAE4142H化学成分如下图:
材料牌号: 4142 H
标准: SAE J1268 Hardenability bands for carbon and alloy H steels
国家与地区: USA
钢组: 结构钢
注释: The H-band limits set forth are intended to apply to steels exhibiting austenitic grain size ASTM No. 5 or finer.
主要成分(%):
C 0.3900 - 0.4600
Mn 0.6500 - 1.1000
Si 0.1500 - 0.3500
Cr 0.7500 - 1.2000
Mo 0.1500 - 0.2500
近似:42CrMo4