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R60802 Alloy vs. Grade 300 Maraging Steel

R60802 alloy belongs to the otherwise unclassified metals classification, while grade 300 maraging steel belongs to the iron alloys. 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 R60802 alloy and the bottom bar is grade 300 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 98
190
Elongation at Break, % 22
6.5 to 18
Poisson's Ratio 0.34
0.3
Shear Modulus, GPa 36
75
Tensile Strength: Ultimate (UTS), MPa 430
1030 to 2030
Tensile Strength: Yield (Proof), MPa 270
760 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Specific Heat Capacity, J/kg-K 270
450
Thermal Expansion, µm/m-K 6.0
12

Otherwise Unclassified Properties

Density, g/cm3 6.5
8.2
Embodied Water, L/kg 290
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 85
130 to 170
Stiffness to Weight: Axial, points 8.3
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 18
35 to 68
Strength to Weight: Bending, points 19
28 to 43
Thermal Shock Resistance, points 53
31 to 62

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
0 to 0.030
Chromium (Cr), % 0.050 to 0.15
0
Cobalt (Co), % 0
8.5 to 9.5
Iron (Fe), % 0.070 to 0.2
65 to 68.4
Manganese (Mn), % 0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0.030 to 0.080
18 to 19
Phosphorus (P), % 0
0 to 0.010
Silicon (Si), % 0
0 to 0.1
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 1.2 to 1.7
0
Titanium (Ti), % 0
0.5 to 0.8
Zirconium (Zr), % 97.8 to 98.7
0 to 0.020
Residuals, % 0 to 0.11
0