SAE-AISI M50 Steel vs. Chromium 33

SAE-AISI M50 steel belongs to the iron alloys classification, while chromium 33 belongs to the otherwise unclassified metals. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M50 steel and the bottom bar is chromium 33.

SAE-AISI M50 (T11350) Molybdenum High-Speed Steel Chromium Alloy 33 (R20033)

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		190
Elastic (Young's, Tensile) Modulus, GPa		200

Poisson's Ratio		0.29
Poisson's Ratio		0.27

Shear Modulus, GPa		75
Shear Modulus, GPa		81

Tensile Strength: Ultimate (UTS), MPa		720 to 2250
Tensile Strength: Ultimate (UTS), MPa		850

Thermal Properties

Latent Heat of Fusion, J/g		260
Latent Heat of Fusion, J/g		320

Specific Heat Capacity, J/kg-K		470
Specific Heat Capacity, J/kg-K		480

Thermal Expansion, µm/m-K		13
Thermal Expansion, µm/m-K		14

Otherwise Unclassified Properties

Base Metal Price, % relative		9.0
Base Metal Price, % relative		36

Density, g/cm³		7.9
Density, g/cm³		7.9

Embodied Carbon, kg CO₂/kg material		5.1
Embodied Carbon, kg CO₂/kg material		6.0

Embodied Energy, MJ/kg		74
Embodied Energy, MJ/kg		84

Embodied Water, L/kg		83
Embodied Water, L/kg		250

Common Calculations

Stiffness to Weight: Axial, points		14
Stiffness to Weight: Axial, points		14

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

Strength to Weight: Axial, points		26 to 80
Strength to Weight: Axial, points		30

Strength to Weight: Bending, points		23 to 49
Strength to Weight: Bending, points		25

Thermal Shock Resistance, points		21 to 66
Thermal Shock Resistance, points		21

Alloy Composition

Carbon (C), %		0.78 to 0.88
Carbon (C), %		0 to 0.015

Chromium (Cr), %		3.8 to 4.5
Chromium (Cr), %		31 to 35

Copper (Cu), %		0 to 0.25
Copper (Cu), %		0.3 to 1.2

Iron (Fe), %		87 to 90.4
Iron (Fe), %		25.7 to 37.9

Manganese (Mn), %		0.15 to 0.45
Manganese (Mn), %		0 to 2.0

Molybdenum (Mo), %		3.9 to 4.8
Molybdenum (Mo), %		0.5 to 2.0

Nickel (Ni), %		0 to 0.3
Nickel (Ni), %		30 to 33

Nitrogen (N), %		0
Nitrogen (N), %		0.35 to 0.6

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

Silicon (Si), %		0.2 to 0.6
Silicon (Si), %		0 to 0.5

Sulfur (S), %		0 to 0.030
Sulfur (S), %		0 to 0.010

Vanadium (V), %		0.8 to 1.3
Vanadium (V), %		0