42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel vs ASTM SAE AISI 1018 Carbon Steel Chemical Composition, Mechanical Properties

Tóm tắt

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel and ASTM SAE AISI 1018 Carbon Steel Chemical Composition, Mechanical Properties are both steel alloys commonly used in engineering applications.

Key Differences

Ratings Comparison

Strength

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 5/10
ASTM SAE AISI 1018 Carbon Steel Chemical Composition, Mechanical Properties 5/10

Corrosion Resistance

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 3/10
ASTM SAE AISI 1018 Carbon Steel Chemical Composition, Mechanical Properties 3/10

Lightweight

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 5/10
ASTM SAE AISI 1018 Carbon Steel Chemical Composition, Mechanical Properties 5/10

Machinability

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 6/10
ASTM SAE AISI 1018 Carbon Steel Chemical Composition, Mechanical Properties 6/10

Cost Efficiency

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 9/10
ASTM SAE AISI 1018 Carbon Steel Chemical Composition, Mechanical Properties 9/10

Temperature Resistance

42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel 7/10
ASTM SAE AISI 1018 Carbon Steel Chemical Composition, Mechanical Properties 7/10

Properties Comparison

Property 42CrMo vs 4140 vs 42CrMo4 (EN 1.7225) Steel ASTM SAE AISI 1018 Carbon Steel Chemical Composition, Mechanical Properties
Metal Base Steel Steel
Tensile Strength 483.0 MPa
Yield Strength 413.0 MPa
Elongation 18.0 %
Hardness (Brinell) 143.0 HB
Elastic Modulus
Density
Melting Point
Thermal Conductivity
Weldable
Heat Treatable
Magnetic

When to Use 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.

When to Use ASTM SAE AISI 1018 Carbon Steel Chemical Composition, Mechanical Properties

Choose ASTM SAE AISI when your application specifically requires this steel alloy's unique combination of properties and industry certifications.

Frequently Asked Questions

Which is stronger, 42CrMo or 1018?
Both 42CrMo and 1018 have the same strength rating of 5/10. The best choice depends on your specific loading conditions and other requirements.
Does 42CrMo or 1018 have better corrosion resistance?
Both alloys share the same corrosion resistance rating of 3/10.
Is 42CrMo or 1018 easier to weld?
Weldability data is not available for both alloys. In terms of machinability, 42CrMo scores 6/10 and 1018 scores 6/10.
Which is more cost-effective, 42CrMo or 1018?
Both alloys are similarly priced with a cost rating of 9/10.
Can I use 42CrMo instead of 1018 for structural applications?
42CrMo has a strength rating of 5/10 versus 5/10 for 1018. Always validate substitution against your specific design codes and operating conditions.

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