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

Résumé

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

Comparaison des notations

Résistance

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

Résistance à la corrosion

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

Légèreté

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

Usinabilité

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

Efficacité des coûts

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

Résistance à la température

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

Comparaison des propriétés

Property 42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties
Métal de base Steel Steel
Résistance à la traction
Limite d'élasticité
Allongement
Dureté (Brinell)
Module d'élasticité
Densité
Point de fusion
Conductivité thermique
Soudable
Traitable thermiquement
Magnétique

Quand utiliser 42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel

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

Quand utiliser Q345 Steel: Q345A Q345B Q345C Q345D Q345E Equivalent & Properties

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.

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