Grade 20Cr Steel Composition, Properties, Material Equivalent vs SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness

Ratings Comparison

Strength

Grade 20Cr Steel Composition, Properties, Material Equivalent 5/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness 8/10

Corrosion Resistance

Grade 20Cr Steel Composition, Properties, Material Equivalent 3/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness 3/10

Lightweight

Grade 20Cr Steel Composition, Properties, Material Equivalent 5/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness 5/10

Machinability

Grade 20Cr Steel Composition, Properties, Material Equivalent 6/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness 4/10

Cost Efficiency

Grade 20Cr Steel Composition, Properties, Material Equivalent 9/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness 9/10

Temperature Resistance

Grade 20Cr Steel Composition, Properties, Material Equivalent 7/10
SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness 7/10

Properties Comparison

Property Grade 20Cr Steel Composition, Properties, Material Equivalent SAE AISI 4140 Steel Properties, Material Heat Treatment, Rockwell Hardness
Metal Base Steel Steel
Tensile Strength 1020.0 MPa
Yield Strength 655.0 MPa
Elongation 17.7 %
Hardness (Brinell) 302.0 HB
Elastic Modulus
Density
Melting Point
Thermal Conductivity
Weldable
Heat Treatable
Magnetic