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AISI 440C Stainless Steel vs. Chromium 33

AISI 440C stainless steel belongs to the iron alloys classification, while chromium 33 belongs to the otherwise unclassified metals. 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 AISI 440C stainless steel and the bottom bar is chromium 33.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 2.0 to 14
45
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 710 to 1970
850
Tensile Strength: Yield (Proof), MPa 450 to 1900
430

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 39 to 88
320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26 to 71
30
Strength to Weight: Bending, points 23 to 46
25
Thermal Shock Resistance, points 26 to 71
21

Alloy Composition

Carbon (C), % 1.0 to 1.2
0 to 0.015
Chromium (Cr), % 16 to 18
31 to 35
Copper (Cu), % 0
0.3 to 1.2
Iron (Fe), % 78 to 83.1
25.7 to 37.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0.5 to 2.0
Nickel (Ni), % 0
30 to 33
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010