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Chromium 33 vs. AISI 440B Stainless Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while AISI 440B stainless steel belongs to the iron alloys. They have 50% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is chromium 33 and the bottom bar is AISI 440B stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
3.0 to 18
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 850
740 to 1930
Tensile Strength: Yield (Proof), MPa 430
430 to 1860

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
10

Otherwise Unclassified Properties

Base Metal Price, % relative 36
9.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
2.2
Embodied Energy, MJ/kg 84
31
Embodied Water, L/kg 250
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
57 to 110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
27 to 70
Strength to Weight: Bending, points 25
24 to 45
Thermal Shock Resistance, points 21
27 to 70

Alloy Composition

Carbon (C), % 0 to 0.015
0.75 to 1.0
Chromium (Cr), % 31 to 35
16 to 18
Copper (Cu), % 0.3 to 1.2
0
Iron (Fe), % 25.7 to 37.9
78.2 to 83.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0.5 to 2.0
0 to 0.75
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 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015