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Chromium 33 vs. SAE-AISI 5140 Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while SAE-AISI 5140 steel belongs to the iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 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 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
12 to 29
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 850
560 to 970
Tensile Strength: Yield (Proof), MPa 430
290 to 840

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
1.4
Embodied Energy, MJ/kg 84
19
Embodied Water, L/kg 250
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
76 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 450
220 to 1880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
20 to 34
Strength to Weight: Bending, points 25
19 to 28
Thermal Shock Resistance, points 21
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.015
0.38 to 0.43
Chromium (Cr), % 31 to 35
0.7 to 0.9
Copper (Cu), % 0.3 to 1.2
0
Iron (Fe), % 25.7 to 37.9
97.3 to 98.1
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 0.5 to 2.0
0
Nickel (Ni), % 30 to 33
0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040