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21CrMoV材质成分

2025-03-15 16:27:41

推荐回答（3个）

回答1：

21CrMoVA属于国标涡轮机高温螺栓用钢，执行标准：GB /T 20410-2006

21CrMoVA化学成分如下图：

回答2：

C: 0.17-0.25
Si: 0.15-0.35
Mn：0.35-0.85
S: ≤0.035
P: ≤0.030
Cr: 1.20-1.50
Mo: 0.65-0.80
V: 0.25-0.35

回答3：

21CrMoVA合金钢
●化学成分：
碳 C：0.17 - 0.25
硅 Si：0.15-0.35
锰 Mn：0.35 - 0.85
磷 P：≤ 0.025
硫 S：≤ 0.025
铬 Cr：1.2- 1.5
钼 Mo：0.65 - 0.80
钒 V：0.25-0.35

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