42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel vs Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties

요약

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel and Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties are both steel alloys commonly used in engineering applications.

Key Differences

평가 비교

강도

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 5/10
Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties 5/10

내식성

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 3/10
Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties 3/10

경량

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 5/10
Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties 5/10

피삭성

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 6/10
Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties 6/10

비용 효율성

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 9/10
Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties 9/10

내열성

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 7/10
Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties 7/10

특성 비교

Property 42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties
기본 금속 Steel Steel
인장 강도
항복 강도
연신율
경도 (브리넬)
탄성 계수
밀도
용융점
열전도율
용접 가능
열처리 가능
자성

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 사용 시기

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

Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties 사용 시기

Choose Q345 Steel: Q345A when your application specifically requires this steel alloy's unique combination of properties and industry certifications.

Frequently Asked Questions

Which is stronger, 42CrMo or Q345?
Both 42CrMo and Q345 have the same strength rating of 5/10. The best choice depends on your specific loading conditions and other requirements.
Does 42CrMo or Q345 have better corrosion resistance?
Both alloys share the same corrosion resistance rating of 3/10.
Is 42CrMo or Q345 easier to weld?
Weldability data is not available for both alloys. In terms of machinability, 42CrMo scores 6/10 and Q345 scores 6/10.
Which is more cost-effective, 42CrMo or Q345?
Both alloys are similarly priced with a cost rating of 9/10.
Can I use 42CrMo instead of Q345 for structural applications?
42CrMo has a strength rating of 5/10 versus 5/10 for Q345. Always validate substitution against your specific design codes and operating conditions.

관련 비교