SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability vs SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition

Ratings Comparison

Strength

SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 5/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition 5/10

Corrosion Resistance

SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 3/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition 7/10

Lightweight

SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 5/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition 5/10

Machinability

SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 6/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition 4/10

Cost Efficiency

SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 9/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition 6/10

Temperature Resistance

SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability 7/10
SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition 7/10

Properties Comparison

Property SAE AISI 4340 Steel Properties, Heat Treatment, Equivalent, Hardness Chart, Density, Machinability SS321 AISI 321 Stainless Steel Properties, TP321 321H Composition
Metal Base Steel Stainless Steel
Tensile Strength
Yield Strength
Elongation
Hardness (Brinell)
Elastic Modulus
Density
Melting Point
Thermal Conductivity
Weldable
Heat Treatable
Magnetic

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