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Chromium 33 vs. Grade 350 Maraging Steel

Chromium 33 belongs to the otherwise unclassified metals classification, while grade 350 maraging steel belongs to the iron alloys. They have 52% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is chromium 33 and the bottom bar is grade 350 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
4.1 to 18
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 81
75
Tensile Strength: Ultimate (UTS), MPa 850
1140 to 2420
Tensile Strength: Yield (Proof), MPa 430
830 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Specific Heat Capacity, J/kg-K 480
450
Thermal Expansion, µm/m-K 14
12

Otherwise Unclassified Properties

Base Metal Price, % relative 36
39
Density, g/cm3 7.9
8.2
Embodied Carbon, kg CO2/kg material 6.0
5.6
Embodied Energy, MJ/kg 84
74
Embodied Water, L/kg 250
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
98 to 190
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 30
38 to 82
Strength to Weight: Bending, points 25
29 to 49
Thermal Shock Resistance, points 21
35 to 74

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.015
0 to 0.030
Chromium (Cr), % 31 to 35
0
Cobalt (Co), % 0
11.5 to 12.5
Copper (Cu), % 0.3 to 1.2
0
Iron (Fe), % 25.7 to 37.9
61.2 to 64.6
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 0.5 to 2.0
4.6 to 5.2
Nickel (Ni), % 30 to 33
18 to 19
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0 to 0.5
0 to 0.1
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0
1.3 to 1.6
Zirconium (Zr), % 0
0 to 0.020