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Chromium 33 vs. SAE-AISI 1132 Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while SAE-AISI 1132 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 21 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 chromium 33 and the bottom bar is SAE-AISI 1132 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
14 to 18
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 850
640 to 720
Tensile Strength: Yield (Proof), MPa 430
350 to 590

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
1.9
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
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 450
330 to 940
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
23 to 25
Strength to Weight: Bending, points 25
21 to 23
Thermal Shock Resistance, points 21
19 to 22

Alloy Composition

Carbon (C), % 0 to 0.015
0.24 to 0.34
Chromium (Cr), % 31 to 35
0
Copper (Cu), % 0.3 to 1.2
0
Iron (Fe), % 25.7 to 37.9
97.8 to 98.3
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
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 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0.080 to 0.13