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ASTM A148 Cast Steel vs. Grade 200 Maraging Steel

Both ASTM A148 cast steel and grade 200 maraging steel are iron alloys. There are 23 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 ASTM A148 cast steel and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 25
9.1 to 18
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
74
Tensile Strength: Ultimate (UTS), MPa 630 to 1300
970 to 1500
Tensile Strength: Yield (Proof), MPa 390 to 1160
690 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.3
31
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.5 to 1.7
4.5
Embodied Energy, MJ/kg 20 to 22
59
Embodied Water, L/kg 48 to 53
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 150
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 3570
1240 to 5740
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 22 to 46
33 to 51
Strength to Weight: Bending, points 21 to 34
27 to 35
Thermal Shock Resistance, points 18 to 38
29 to 45

Comparable Variants