结构用高强度铸钢件

作者：bearingpower        发表时间：2010-12-12

结构用高强度铸钢件关键字： 牌号化学成分（%）≤抗拉强度/MPa≥屈服强度/MPa≥伸长率（%）≥断面收缩率（%）≥冲击吸收功/J≥ 两个试样的平均值单个试样的值550-2750.0500.0605502751830550-3455503452235620-4156204152040725-5857255851735795-6537956351430895-7958557951125930-8609308609221035-9300.359307181105-1000110510006121140-10350.0200.020114010355201140-1035L1140103552027221450-1240145012404151450-1240L1450124041520161795-145017951450361795-1450L179514503685