30CrNi2MoVA|Φ20 合金結構鋼
30CrNi2MoVA|Φ25 合金結構鋼
30CrNi2MoVA|Φ28 合金結構鋼
30CrNi2MoVA|Φ30 合金結構鋼
30CrNi2MoVA|Φ32 合金結構鋼
30CrNi2MoVA|Φ35 合金結構鋼
30CrNi2MoVA|Φ38 合金結構鋼
30CrNi2MoVA|Φ40 合金結構鋼
30CrNi2MoVA|Φ42 合金結構鋼
30CrNi2MoVA|Φ45 合金結構鋼
30CrNi2MoVA|Φ48 合金結構鋼
30CrNi2MoVA|Φ50 合金結構鋼
30CrNi2MoVA|Φ52 合金結構鋼
30CrNi2MoVA|Φ55 合金結構鋼
30CrNi2MoVA|Φ60 合金結構鋼
30CrNi2MoVA|Φ65 合金結構鋼
30CrNi2MoVA|Φ70 合金結構鋼
30CrNi2MoVA|Φ75 合金結構鋼
30CrNi2MoVA|Φ80 合金結構鋼
30CrNi2MoVA|Φ85 合金結構鋼
30CrNi2MoVA|Φ90 合金結構鋼
30CrNi2MoVA|Φ95 合金結構鋼
30CrNi2MoVA|Φ100 合金結構鋼
30CrNi2MoVA|Φ110 合金結構鋼
30CrNi2MoVA|Φ120 合金結構鋼
30CrNi2MoVA|Φ130 合金結構鋼
30CrNi2MoVA|Φ140 合金結構鋼
30CrNi2MoVA|Φ150 合金結構鋼
30CrNi2MoVA|Φ160 合金結構鋼
30CrNi2MoVA|Φ170 合金結構鋼
30CrNi2MoVA|Φ180 合金結構鋼
30CrNi2MoVA|Φ190 合金結構鋼
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材料名稱:合金結構鋼
牌號:30CrNi2MoVA
●化學成份:
碳 C :0.27~0.34
硅 Si:0.17~0.37
錳 Mn:0.30~0.60
硫 S :≤0.025
磷 P :≤0.025
鉻 Cr:0.60~0.90
鎳 Ni:2.00~2.40
鉬 Mo:0.20~0.30
釩 V :0.15~0.30
●力學性能:
抗拉強度 σb (MPa):≥1470
條件屈服強度 σ0.2 (MPa):≥1225
伸長率 δ5 (%):≥10
斷面收縮率 ψ (%):≥40
衝擊功 Akv (J):≥51
硬度 :≤255HB
試樣尺寸:光滑試樣
●熱處理規範及金相組織:
熱處理規範:860℃淬火,180℃等溫或油冷,200℃回火,空冷。