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Chromium 33 vs. EN 1.4317 Stainless Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while EN 1.4317 stainless steel belongs to the iron alloys. They have 50% of their average alloy composition in common. 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 EN 1.4317 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
17
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 850
860
Tensile Strength: Yield (Proof), MPa 430
630

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
11

Otherwise Unclassified Properties

Base Metal Price, % relative 36
10
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
2.4
Embodied Energy, MJ/kg 84
33
Embodied Water, L/kg 250
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
130
Resilience: Unit (Modulus of Resilience), kJ/m3 450
1010
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
31
Strength to Weight: Bending, points 25
26
Thermal Shock Resistance, points 21
30

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.060
Chromium (Cr), % 31 to 35
12 to 13.5
Copper (Cu), % 0.3 to 1.2
0
Iron (Fe), % 25.7 to 37.9
78.7 to 84.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0.5 to 2.0
0 to 0.7
Nickel (Ni), % 30 to 33
3.5 to 5.0
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 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.025