Soft, low carbon steel alloy with increased deform

专利名称：Soft, low carbon steel alloy with increased

deformability for structural reinforcementparts of motor vehicles

发明人：Dieter Topker申请号：US09/413151申请日：19991006公开号：US06136266A公开日：20001024

摘要：A steel alloy for pipes, sheet metal or sections for manufacturing bodyreinforcements for motor vehicles, particularly side impact beams or A- and B-columnreinforcements, wherein the steel alloy contains in percent by weight 0.1 to 0.17%carbon, 2.0 to 2.8% manganese, 0.4 to 0. 8% chromium, 0.1 to 0.35% molybdenum, 0.03 to0.07% aluminum, 0. 002 to 0. 003% boron, 0.0001 to 0.005% titanium, 0.08 to 0.012%vanadium, 0.025 to 0.06% niobium, 0.0001 to 0.10 zirconium, 0.01 to 0.05% nitrogen, up to0. 3% silicon, up to 0.025% phosphorus and % 0.010 sulfur, wherein the remainder is ironincluding impurities caused by smelting, and wherein the sum of the alloy componentstitanium, vanadium and niobium is between 0.16 and 0.25%.

申请人：BENTELER AG

代理人：Friedrich Kueffner

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