25MnCr5齿轮钢#淬透性钢棒25MnCr5耐磨钢 Gear characteristic and scope of application: 25 mncr5 steel imported from German CrMn low alloy steel. Has a good thermal performance, good hardenability and the cutting performance. Used in car production of gear and shaft. Gear 25 mncr5 steel chemical composition 齿轮钢25MnCr5特性及适用范围：是从德国引进的CrMn低合金钢。具有良好的热加工性能、较好淬透性和切削性能。用于轿车中制作各种行程齿轮和轴。 齿轮钢25MnCr5化学成份 碳 C ：0.23～0.28 硅 Si：≤0.25 锰 Mn：0.50～0.80 硫 S ：0.010～0.035 磷 P ：≤0.035 铬 Cr：0.80～1.10 齿轮钢25MnCr5力学性能
