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Grade 250 Maraging Steel vs. ACI-ASTM CC50 Steel

Both grade 250 maraging steel and ACI-ASTM CC50 steel are iron alloys. They have 71% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.

For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is ACI-ASTM CC50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.3
0.27
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
430

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Melting Completion (Liquidus), °C 1480
1420
Melting Onset (Solidus), °C 1430
1370
Specific Heat Capacity, J/kg-K 450
490
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 32
14
Density, g/cm3 8.2
7.6
Embodied Carbon, kg CO2/kg material 4.9
2.7
Embodied Energy, MJ/kg 65
39
Embodied Water, L/kg 140
170

Common Calculations

PREN (Pitting Resistance) 16
28
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 23
26
Strength to Weight: Axial, points 33 to 61
16
Strength to Weight: Bending, points 26 to 40
17
Thermal Shock Resistance, points 29 to 54
14

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 to 0.5
Chromium (Cr), % 0
26 to 30
Cobalt (Co), % 7.0 to 8.5
0
Iron (Fe), % 66.3 to 71.1
62.9 to 74
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 17 to 19
0 to 4.0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.5
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 0.3 to 0.5
0
Zirconium (Zr), % 0 to 0.020
0