AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment vs SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability

Ratings Comparison

Strength

AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 6/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 5/10

Corrosion Resistance

AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 3/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 3/10

Lightweight

AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 5/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 5/10

Machinability

AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 6/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 6/10

Cost Efficiency

AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 9/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 9/10

Temperature Resistance

AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment 7/10
SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 7/10

Properties Comparison

Property AISI SAE 8620 Steel Properties, Chemical Composition, Equivalent, Heat Treatment SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability
Metal Base Steel Steel
Tensile Strength 633.0 MPa —
Yield Strength 357.0 MPa —
Elongation 26.3 % —
Hardness (Brinell) 183.0 HB —
Elastic Modulus — —
Density — —
Melting Point — —
Thermal Conductivity — —
Weldable — —
Heat Treatable — —
Magnetic — —

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