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Grade 250 Maraging Steel vs. Grade TDC Steel

Both grade 250 maraging steel and grade TDC steel are iron alloys. They have 69% 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 250 maraging steel and the bottom bar is grade TDC 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 970 to 1800
1700

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 32
1.9
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.9
1.4
Embodied Energy, MJ/kg 65
19
Embodied Water, L/kg 140
47

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 61
60
Strength to Weight: Bending, points 26 to 40
40
Thermal Shock Resistance, points 29 to 54
50

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
0.6 to 0.75
Chromium (Cr), % 0
0 to 0.3
Cobalt (Co), % 7.0 to 8.5
0
Copper (Cu), % 0
0 to 0.1
Iron (Fe), % 66.3 to 71.1
98 to 99.4
Manganese (Mn), % 0 to 0.1
0.5 to 1.2
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 17 to 19
0
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0.1 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0.3 to 0.5
0
Zirconium (Zr), % 0 to 0.020
0