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Chromium 33 vs. SAE-AISI S2 Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while SAE-AISI S2 steel belongs to the iron alloys. They have a modest 33% 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 (10, in this case) are not shown.

For each property being compared, the top bar is chromium 33 and the bottom bar is SAE-AISI S2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 850
670 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.6
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
2.1
Embodied Energy, MJ/kg 84
30
Embodied Water, L/kg 250
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
24 to 69
Strength to Weight: Bending, points 25
22 to 44
Thermal Shock Resistance, points 21
23 to 68

Alloy Composition

Carbon (C), % 0 to 0.015
0.4 to 0.55
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.3 to 1.2
0 to 0.25
Iron (Fe), % 25.7 to 37.9
96 to 98.1
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 0.5 to 2.0
0.3 to 0.6
Nickel (Ni), % 30 to 33
0 to 0.3
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.9 to 1.2
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0
0 to 0.5