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Chromium 33 vs. S38815 Stainless Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while S38815 stainless steel belongs to the iron alloys. They have 64% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is chromium 33 and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
34
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
74
Tensile Strength: Ultimate (UTS), MPa 850
610
Tensile Strength: Yield (Proof), MPa 430
290

Thermal Properties

Latent Heat of Fusion, J/g 320
370
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 14
15

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 6.0
3.8
Embodied Energy, MJ/kg 84
54
Embodied Water, L/kg 250
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
170
Resilience: Unit (Modulus of Resilience), kJ/m3 450
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 25
21
Thermal Shock Resistance, points 21
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 31 to 35
13 to 15
Copper (Cu), % 0.3 to 1.2
0.75 to 1.5
Iron (Fe), % 25.7 to 37.9
56.1 to 67
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.5 to 2.0
0.75 to 1.5
Nickel (Ni), % 30 to 33
13 to 17
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
5.5 to 6.5
Sulfur (S), % 0 to 0.010
0 to 0.020