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Grade 300 Maraging Steel vs. Grade FDSiCrV Steel

Both grade 300 maraging steel and grade FDSiCrV steel are iron alloys. They have 67% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is grade 300 maraging steel and the bottom bar is grade FDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
2100

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.3
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 5.1
1.9
Embodied Energy, MJ/kg 68
26
Embodied Water, L/kg 150
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 35 to 68
75
Strength to Weight: Bending, points 28 to 43
47
Thermal Shock Resistance, points 31 to 62
63

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.5 to 0.7
Chromium (Cr), % 0
0.5 to 1.0
Cobalt (Co), % 8.5 to 9.5
0
Copper (Cu), % 0
0 to 0.12
Iron (Fe), % 65 to 68.4
96 to 97.8
Manganese (Mn), % 0 to 0.1
0.4 to 0.9
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 18 to 19
0
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0 to 0.1
1.2 to 1.7
Sulfur (S), % 0 to 0.010
0 to 0.025
Titanium (Ti), % 0.5 to 0.8
0
Vanadium (V), % 0
0.1 to 0.25
Zirconium (Zr), % 0 to 0.020
0