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Chromium 33 vs. EN 1.0644 Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while EN 1.0644 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 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 1.0644 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
0.29
Shear Modulus, GPa 81
73
Tensile Strength: Ultimate (UTS), MPa 850
690
Tensile Strength: Yield (Proof), MPa 430
570

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
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 6.0
1.8
Embodied Energy, MJ/kg 84
24
Embodied Water, L/kg 250
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30
24
Strength to Weight: Bending, points 25
22
Thermal Shock Resistance, points 21
22

Alloy Composition

Aluminum (Al), % 0
0.010 to 0.050
Carbon (C), % 0 to 0.015
0.16 to 0.22
Chromium (Cr), % 31 to 35
0 to 0.3
Copper (Cu), % 0.3 to 1.2
0 to 0.3
Iron (Fe), % 25.7 to 37.9
96.1 to 98.4
Manganese (Mn), % 0 to 2.0
1.3 to 1.7
Molybdenum (Mo), % 0.5 to 2.0
0 to 0.080
Nickel (Ni), % 30 to 33
0 to 0.4
Niobium (Nb), % 0
0 to 0.070
Nitrogen (N), % 0.35 to 0.6
0 to 0.020
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0.1 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.035
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0.080 to 0.15