ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties vs SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability

Ratings Comparison

Strength

ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 6/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 5/10

Corrosion Resistance

ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 3/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 3/10

Lightweight

ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 5/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 5/10

Machinability

ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 6/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 6/10

Cost Efficiency

ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 9/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 9/10

Temperature Resistance

ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties 7/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 7/10

Properties Comparison

Property ASTM SAE AISI 1045 Carbon Steel Heat Treatment, Chemical Composition, Properties SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability
Metal Base Steel Steel
Tensile Strength 565.0 MPa —
Yield Strength 310.0 MPa —
Elongation 16.0 % —
Hardness (Brinell) 163.0 HB —
Elastic Modulus — —
Density — —
Melting Point — —
Thermal Conductivity — —
Weldable — —
Heat Treatable — —
Magnetic — —

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