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Chromium 33 vs. EN 1.4821 Stainless Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while EN 1.4821 stainless steel belongs to the iron alloys. They have 63% of their average alloy composition in common. There are 21 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 1.4821 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
18
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 850
730
Tensile Strength: Yield (Proof), MPa 430
450

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Specific Heat Capacity, J/kg-K 480
490
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
15
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 6.0
2.9
Embodied Energy, MJ/kg 84
41
Embodied Water, L/kg 250
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
500
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 30
26
Strength to Weight: Bending, points 25
23
Thermal Shock Resistance, points 21
21

Alloy Composition

Carbon (C), % 0 to 0.015
0.1 to 0.2
Chromium (Cr), % 31 to 35
24.5 to 26.5
Copper (Cu), % 0.3 to 1.2
0
Iron (Fe), % 25.7 to 37.9
64.2 to 71.1
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.5 to 2.0
0
Nickel (Ni), % 30 to 33
3.5 to 5.5
Nitrogen (N), % 0.35 to 0.6
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0.8 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.015