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- 编号:2Cr20Mn9Ni2Si2N耐热钢
- 出厂硬度:
- 特征:
- 用途:
产品详情
2Cr20Mn9Ni2Si2N耐热钢
详细描述:
标准:GB/T
3077-1988
特性及适用范围:
该钢材是珠光体型热强钢,冷应变塑性及可切削性均良好,焊接性尚可。用于制造蒸气参数达 510℃的主导管、管壁温度达 540℃的过热管等,也可制作高温下工作的各种弹性元件。
化学成份:
碳 C :0.08~0.15
硅 Si:0.17~0.37
锰 Mn:0.40~0.70
铬 Cr:0.40~0.70
硫 S :允许残余含量≤0.035
磷 P :允许残余含量≤0.035