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Grade 300 Maraging Steel vs. Austenitic Nodular Cast Iron

Both grade 300 maraging steel and austenitic nodular cast iron are iron alloys. There are 22 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is grade 300 maraging steel and the bottom bar is austenitic nodular cast iron.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
180 to 190
Elongation at Break, % 6.5 to 18
6.8 to 34
Poisson's Ratio 0.3
0.29 to 0.3
Shear Modulus, GPa 75
70 to 72
Tensile Strength: Ultimate (UTS), MPa 1030 to 2030
430 to 500
Tensile Strength: Yield (Proof), MPa 760 to 1990
190 to 240

Thermal Properties

Latent Heat of Fusion, J/g 270
280 to 350
Melting Completion (Liquidus), °C 1480
1340 to 1400
Melting Onset (Solidus), °C 1430
1300 to 1360
Specific Heat Capacity, J/kg-K 450
470 to 490
Thermal Expansion, µm/m-K 12
13 to 14

Otherwise Unclassified Properties

Base Metal Price, % relative 34
16 to 25
Density, g/cm3 8.2
7.7 to 8.0
Embodied Carbon, kg CO2/kg material 5.1
3.5 to 4.9
Embodied Energy, MJ/kg 68
48 to 68
Embodied Water, L/kg 150
91 to 120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
24 to 140
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24 to 25
Strength to Weight: Axial, points 35 to 68
15 to 18
Strength to Weight: Bending, points 28 to 43
16 to 18
Thermal Shock Resistance, points 31 to 62
12 to 15