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Chromium 33 vs. EN 1.1203 Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while EN 1.1203 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 (10, in this case) are not shown.

For each property being compared, the top bar is chromium 33 and the bottom bar is EN 1.1203 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
12 to 15
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Tensile Strength: Ultimate (UTS), MPa 850
690 to 780
Tensile Strength: Yield (Proof), MPa 430
340 to 480

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.1
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
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
69 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 450
310 to 610
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
25 to 28
Strength to Weight: Bending, points 25
22 to 24
Thermal Shock Resistance, points 21
22 to 25

Alloy Composition

Carbon (C), % 0 to 0.015
0.52 to 0.6
Chromium (Cr), % 31 to 35
0 to 0.4
Copper (Cu), % 0.3 to 1.2
0
Iron (Fe), % 25.7 to 37.9
97.1 to 98.9
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0.5 to 2.0
0 to 0.1
Nickel (Ni), % 30 to 33
0 to 0.4
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 0.4
Sulfur (S), % 0 to 0.010
0 to 0.035