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Grade 350 Maraging Steel vs. 50Cr-50Ni Alloy

Grade 350 maraging steel belongs to the iron alloys classification, while 50Cr-50Ni alloy belongs to the otherwise unclassified metals. 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 grade 350 maraging steel and the bottom bar is 50Cr-50Ni alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 4.1 to 18
5.7
Poisson's Ratio 0.3
0.26
Shear Modulus, GPa 75
84
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
620
Tensile Strength: Yield (Proof), MPa 830 to 2300
390

Thermal Properties

Latent Heat of Fusion, J/g 270
350
Specific Heat Capacity, J/kg-K 450
490
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Base Metal Price, % relative 39
50
Density, g/cm3 8.2
8.0
Embodied Carbon, kg CO2/kg material 5.6
7.9
Embodied Energy, MJ/kg 74
110
Embodied Water, L/kg 160
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
31
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
21
Strength to Weight: Bending, points 29 to 49
20
Thermal Shock Resistance, points 35 to 74
14

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0 to 0.25
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.1
Chromium (Cr), % 0
48 to 52
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
0 to 1.0
Manganese (Mn), % 0 to 0.1
0 to 0.3
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 18 to 19
44.5 to 52
Nitrogen (N), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 1.3 to 1.6
0 to 0.5
Zirconium (Zr), % 0 to 0.020
0