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ACI-ASTM CF10SMnN Steel vs. SAE-AISI M50 Steel

Both ACI-ASTM CF10SMnN steel and SAE-AISI M50 steel are iron alloys. They have 67% of their average alloy composition in common. There are 20 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 ACI-ASTM CF10SMnN steel and the bottom bar is SAE-AISI M50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 660
720 to 2250

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Melting Completion (Liquidus), °C 1360
1480
Melting Onset (Solidus), °C 1310
1440
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.0
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.1
5.1
Embodied Energy, MJ/kg 45
74
Embodied Water, L/kg 150
83

Common Calculations

PREN (Pitting Resistance) 19
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
26 to 80
Strength to Weight: Bending, points 22
23 to 49
Thermal Shock Resistance, points 15
21 to 66

Alloy Composition

Carbon (C), % 0 to 0.1
0.78 to 0.88
Chromium (Cr), % 16 to 18
3.8 to 4.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 59.1 to 65.4
87 to 90.4
Manganese (Mn), % 7.0 to 9.0
0.15 to 0.45
Molybdenum (Mo), % 0
3.9 to 4.8
Nickel (Ni), % 8.0 to 9.0
0 to 0.3
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.030
Silicon (Si), % 3.5 to 4.5
0.2 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.8 to 1.3