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Chromium 33 vs. EN 1.7202 Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while EN 1.7202 steel belongs to the iron alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 17 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 EN 1.7202 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 850
530 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
1.5
Embodied Energy, MJ/kg 84
20
Embodied Water, L/kg 250
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
19 to 64
Strength to Weight: Bending, points 25
19 to 42
Thermal Shock Resistance, points 21
16 to 53

Alloy Composition

Carbon (C), % 0 to 0.015
0.35 to 0.4
Chromium (Cr), % 31 to 35
0.9 to 1.2
Copper (Cu), % 0.3 to 1.2
0 to 0.25
Iron (Fe), % 25.7 to 37.9
96.6 to 98
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0.5 to 2.0
0.15 to 0.3
Nickel (Ni), % 30 to 33
0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.025