供应60Si2Mn规格齐全发货迅捷

上海浍南实业有限公司

60Si2Mn热处理规范

60Si2Mn热处理规范：淬火870℃±20℃,油冷; 回火480℃±50℃(特殊需要时,±30℃)。 
金相*：回火屈氏体。 
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. 
热轧交货规格：2.0~18.0mm,有退火与不退火状态。冷轧交货规格：0.3~4.3mm（钢带）
60Si2Mn化学成分
碳 C ：0.56～0.6 
硅 Si：1.50～2.00 
锰 Mn：0.60～0.90 
硫 S ：≤0.035 
磷 P ：≤0.035 
铬 Cr：≤0.35 
镍 Ni：≤0.35 
铜 Cu：≤0.25 
60Si2Mn力学性能 
*拉强度 σb (MPa)：≥1274(130) 
屈服强度*Pa)：≥1176(120) 
伸长率 δ10 (%)：≥5 
断面收缩率 ψ (%)：≥25 
硬度 ：热轧,≤321HB;冷拉+热处理,≤321HB
温度100℃ Rp0.2205Mpa  Rp1.0235 Mpa  Rm500 Mpa
温度200℃ Rp0.2175Mpa  Rp1.0205 Mpa  Rm460 Mpa
温度300℃ Rp0.2145Mpa  Rp1.0175 Mpa  Rm440 Mpa
温度400℃ Rp0.2125Mpa  Rp1.01555 Mpa  Rm- Mpa
密度8.0 g/mm3  弹性模量195 Gpa  线膨胀系数15.8 / 10-6/℃
导热率12 W/m℃  热容450 J/Kg℃  电阻1.0μΩm
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