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50sicrmo6弹簧钢

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产品编号 50sicrmo6弹簧钢
产品说明

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50SiCrMo6弹簧钢
执行标准:ASTM A29/A29M-04 
●特性及适用范围: 
较高强度、塑性和韧性,淬透性较好,过热性比锰钢低、比硅锰钢高,脱碳倾向比硅锰钢小,回火脆性大。用于车辆、拖拉机工业上制作负荷较重、应力较大的板簧和直径较大的螺旋弹簧。 
●化学成份: 
碳 C :0.56~0.61 
硅 Si:0.15~0.35 
锰 Mn:0.75~1.00 
硫 S :≤0.040 
磷 P :≤0.035 
铬 Cr:0.70~0.90 
镍 Ni:≤0.35 
铜 Cu:≤0.25 
●力学性能: 
抗拉强度 σb (MPa):≥1225(125) 
条件屈服强度 σ0.2 (MPa):≥1078(110) 
伸长率 δ5 (%):≥9(供参考) 
断面收缩率 ψ (%):≥20 
硬度:热轧,≤321HB;冷拉+热处理,≤321HB 
●热处理规范及金相组织: 
热处理规范:淬火830~860℃,油冷; 回火460~520℃。 
● 交货状态:热轧钢材以热处理或不热处理状态交货,冷拉钢材以热处理状态交货

产品参数

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