42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel vs AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment

概要

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel and AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment are both steel alloys commonly used in engineering applications.

Key Differences

評価比較

強度

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 5/10
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 6/10

耐食性

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 3/10
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 3/10

軽量

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 5/10
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 5/10

被削性

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 6/10
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 6/10

コスト効率

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 9/10
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 9/10

耐熱性

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 7/10
AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 7/10

特性比較

Property 42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment
基本金属 Steel Steel
引張強度 633.0 MPa
降伏強度 357.0 MPa
伸び 26.3 %
硬度(ブリネル) 183.0 HB
弾性率
密度
融点
熱伝導率
溶接可能
熱処理可能
磁性

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel の使用場面

Choose 42CrMo vs 4140 when your application specifically requires this steel alloy's unique combination of properties and industry certifications.

AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment の使用場面

Choose AISI SAE 8620 when you need superior strength.

Frequently Asked Questions

Which is stronger, 42CrMo or 8620?
Based on overall strength ratings, 8620 is stronger. 42CrMo scores 5/10 and 8620 scores 6/10 on the strength scale. Check specific tensile and yield values for your load case.
Does 42CrMo or 8620 have better corrosion resistance?
Both alloys share the same corrosion resistance rating of 3/10.
Is 42CrMo or 8620 easier to weld?
Weldability data is not available for both alloys. In terms of machinability, 42CrMo scores 6/10 and 8620 scores 6/10.
Which is more cost-effective, 42CrMo or 8620?
Both alloys are similarly priced with a cost rating of 9/10.
Can I use 42CrMo instead of 8620 for structural applications?
42CrMo has a strength rating of 5/10 versus 6/10 for 8620. Always validate substitution against your specific design codes and operating conditions.

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