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ACI-ASTM CC50 Steel vs. Grade 300 Maraging Steel

Both ACI-ASTM CC50 steel and grade 300 maraging steel are iron alloys. They have 69% 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 ACI-ASTM CC50 steel and the bottom bar is grade 300 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 430
1030 to 2030

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 14
34
Density, g/cm3 7.6
8.2
Embodied Carbon, kg CO2/kg material 2.7
5.1
Embodied Energy, MJ/kg 39
68
Embodied Water, L/kg 170
150

Common Calculations

PREN (Pitting Resistance) 28
16
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 16
35 to 68
Strength to Weight: Bending, points 17
28 to 43
Thermal Shock Resistance, points 14
31 to 62

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 0 to 0.5
0 to 0.030
Chromium (Cr), % 26 to 30
0
Cobalt (Co), % 0
8.5 to 9.5
Iron (Fe), % 62.9 to 74
65 to 68.4
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 0 to 4.0
18 to 19
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.5
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
0.5 to 0.8
Zirconium (Zr), % 0
0 to 0.020