420J2不锈钢带价格,3cr13不锈钢带介绍,宝珈不锈钢带厂家
420J2不锈钢带价格,3cr13不锈钢带介绍,宝珈不锈钢带厂家
420J2不锈钢带价格,3cr13不锈钢带介绍,宝珈不锈钢带厂家
元素 |
C |
Mn |
Si |
Cr |
Ni |
S |
P |
含量% |
0.25-0.34 |
≤0.60 |
≤0.60 |
12.00-14.00 |
≤0.60 |
≤0.030 |
≤0.030 |
——热处理制度:棒材及锻件:1000-1050℃油淬或空冷,200-300℃回火。
板材:740
——熔炼和铸造工艺:可用电弧炉、电弧炉+电渣重熔等方法冶炼。
热处理制度 |
HRC |
HRB |
HB Kgf/mm2 |
870 |
— |
81 |
155-180 |
|
— |
80-92 |
205-225 |
980 |
53-56 |
— |
530-560 |
980 |
48-53 |
— |
470-530 |
抗氧化性能:
升值 |
开始温度,℃ |
终止温度,℃ |
冷却 |
装炉≤800℃,850℃前缓慢加热 |
1160-1200 |
>850 |
缓冷并及时退火 |
——
相关关键词:
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