50Cr-50Ni Alloy vs. SAE-AISI M4 Steel

50Cr-50Ni alloy belongs to the otherwise unclassified metals classification, while SAE-AISI M4 steel belongs to the iron alloys. There are 17 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is 50Cr-50Ni alloy and the bottom bar is SAE-AISI M4 steel.

50Cr-50Ni (R20500) Casting Alloy SAE-AISI M4 (T11304) Molybdenum High-Speed Steel

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		210
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.26
Poisson's Ratio		0.29

Shear Modulus, GPa		84
Shear Modulus, GPa		76

Tensile Strength: Ultimate (UTS), MPa		620
Tensile Strength: Ultimate (UTS), MPa		770 to 2150

Thermal Properties

Latent Heat of Fusion, J/g		350
Latent Heat of Fusion, J/g		260

Specific Heat Capacity, J/kg-K		490
Specific Heat Capacity, J/kg-K		440

Thermal Expansion, µm/m-K		15
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		50
Base Metal Price, % relative		25

Density, g/cm³		8.0
Density, g/cm³		8.3

Embodied Carbon, kg CO₂/kg material		7.9
Embodied Carbon, kg CO₂/kg material		14

Embodied Energy, MJ/kg		110
Embodied Energy, MJ/kg		210

Embodied Water, L/kg		350
Embodied Water, L/kg		110

Common Calculations

Stiffness to Weight: Axial, points		15
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		25
Stiffness to Weight: Bending, points		23

Strength to Weight: Axial, points		21
Strength to Weight: Axial, points		26 to 72

Strength to Weight: Bending, points		20
Strength to Weight: Bending, points		23 to 45

Thermal Shock Resistance, points		14
Thermal Shock Resistance, points		24 to 68

Alloy Composition

Aluminum (Al), %		0 to 0.25
Aluminum (Al), %		0

Carbon (C), %		0 to 0.1
Carbon (C), %		1.3 to 1.4

Chromium (Cr), %		48 to 52
Chromium (Cr), %		3.8 to 4.8

Copper (Cu), %		0
Copper (Cu), %		0 to 0.25

Iron (Fe), %		0 to 1.0
Iron (Fe), %		75.9 to 81.4

Manganese (Mn), %		0 to 0.3
Manganese (Mn), %		0.15 to 0.4

Molybdenum (Mo), %		0
Molybdenum (Mo), %		4.3 to 5.5

Nickel (Ni), %		44.5 to 52
Nickel (Ni), %		0 to 0.3

Nitrogen (N), %		0 to 0.3
Nitrogen (N), %		0

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0 to 0.030

Silicon (Si), %		0 to 1.0
Silicon (Si), %		0.2 to 0.45

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0 to 0.030

Titanium (Ti), %		0 to 0.5
Titanium (Ti), %		0

Tungsten (W), %		0
Tungsten (W), %		5.3 to 6.5

Vanadium (V), %		0
Vanadium (V), %		3.8 to 4.5