一种超厚度规格低残余应力叉车用钢及其制备方法
摘要:
本发明提供一种超厚度规格低残余应力叉车用钢及其制备方法,所述低残余应力叉车用钢的化学成分按重量百分比为:0.12%≤C≤0.15%,0.15%≤Si≤0.30%,1.35%≤Mn≤1.45,0≤S≤0.010%,0≤P≤0.018%,0.012%≤Nb≤0.035%,0.020%≤Cr≤0.030%,0.010%≤Ti≤0.020%,0.015%≤Als≤0.040%,其余为铁和不可避免的杂质,其中Als为酸溶铝,其中,所述的低残余应力是保证用户在切割和焊接时钢板不变形。
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