42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel vs SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition

Résumé

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel and SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition 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
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition 6/10

Résistance à la corrosion

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 3/10
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition 3/10

Légèreté

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 5/10
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition 5/10

Usinabilité

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 6/10
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition 6/10

Efficacité des coûts

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 9/10
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition 9/10

Résistance à la température

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 7/10
SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition 7/10

Comparaison des propriétés

Property 42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition
Métal de base Steel Steel
Résistance à la traction 670.0 MPa
Limite d'élasticité 435.0 MPa
Allongement 25.5 %
Dureté (Brinell) 197.0 HB
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 SAE AISI 4130 Chromoly Steel, Alloy Material Properties, Chemical Composition

Choose SAE AISI 4130 when you need superior strength.

Frequently Asked Questions

Which is stronger, 42CrMo or 4130?
Based on overall strength ratings, 4130 is stronger. 42CrMo scores 5/10 and 4130 scores 6/10 on the strength scale. Check specific tensile and yield values for your load case.
Does 42CrMo or 4130 have better corrosion resistance?
Both alloys share the same corrosion resistance rating of 3/10.
Is 42CrMo or 4130 easier to weld?
Weldability data is not available for both alloys. In terms of machinability, 42CrMo scores 6/10 and 4130 scores 6/10.
Which is more cost-effective, 42CrMo or 4130?
Both alloys are similarly priced with a cost rating of 9/10.
Can I use 42CrMo instead of 4130 for structural applications?
42CrMo has a strength rating of 5/10 versus 6/10 for 4130. Always validate substitution against your specific design codes and operating conditions.

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