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汽车拖拉机用钢 | 2012-3-2 10:48:00
汽车拖拉机用钢
汽车和拖拉机零件都承受动载荷。由于发动机功率的不断增大，热载荷增加，设计上要尽量降低单位功率的金属材料消耗量等。对不同零部件用钢有不同的性能要求。按其工艺特点和用途可大致分为：（1）渗碳钢，（2）调质钢，（3）高、中频感应加热淬水用钢，（4）弹簧钢，（5）冷冲压用钢，（6）冷镦、冷挤压用钢，（7）易切结构钢，（8）气阀用钢等。
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