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Chromium 33 vs. EN 1.7108 Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while EN 1.7108 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 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 1.7108 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
72
Tensile Strength: Ultimate (UTS), MPa 850
670 to 2070

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 14
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.1
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 6.0
1.5
Embodied Energy, MJ/kg 84
20
Embodied Water, L/kg 250
47

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
24 to 75
Strength to Weight: Bending, points 25
22 to 47
Thermal Shock Resistance, points 21
20 to 63

Alloy Composition

Carbon (C), % 0 to 0.015
0.57 to 0.65
Chromium (Cr), % 31 to 35
0.2 to 0.45
Copper (Cu), % 0.3 to 1.2
0
Iron (Fe), % 25.7 to 37.9
95.9 to 96.9
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Molybdenum (Mo), % 0.5 to 2.0
0
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
1.6 to 2.0
Sulfur (S), % 0 to 0.010
0 to 0.025