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ACI-ASTM CF10SMnN Steel vs. Grade 300 Maraging Steel

Both ACI-ASTM CF10SMnN steel and grade 300 maraging steel are iron alloys. They have 71% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF10SMnN steel and the bottom bar is grade 300 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
6.5 to 18
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 660
1030 to 2030
Tensile Strength: Yield (Proof), MPa 330
760 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Melting Completion (Liquidus), °C 1360
1480
Melting Onset (Solidus), °C 1310
1430
Specific Heat Capacity, J/kg-K 500
450
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 15
34
Density, g/cm3 7.5
8.2
Embodied Carbon, kg CO2/kg material 3.1
5.1
Embodied Energy, MJ/kg 45
68
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 19
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
130 to 170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
23
Strength to Weight: Axial, points 24
35 to 68
Strength to Weight: Bending, points 22
28 to 43
Thermal Shock Resistance, points 15
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 0.1
0 to 0.030
Chromium (Cr), % 16 to 18
0
Cobalt (Co), % 0
8.5 to 9.5
Iron (Fe), % 59.1 to 65.4
65 to 68.4
Manganese (Mn), % 7.0 to 9.0
0 to 0.1
Molybdenum (Mo), % 0
4.6 to 5.2
Nickel (Ni), % 8.0 to 9.0
18 to 19
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.010
Silicon (Si), % 3.5 to 4.5
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.5 to 0.8
Zirconium (Zr), % 0
0 to 0.020