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ACI-ASTM CF10SMnN Steel vs. SAE-AISI 5140 Steel

Both ACI-ASTM CF10SMnN steel and SAE-AISI 5140 steel are iron alloys. They have 64% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (7, 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 5140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
12 to 29
Fatigue Strength, MPa 260
220 to 570
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 660
560 to 970
Tensile Strength: Yield (Proof), MPa 330
290 to 840

Thermal Properties

Latent Heat of Fusion, J/g 340
250
Maximum Temperature: Mechanical, °C 900
420
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
2.1
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 150
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
76 to 180
Resilience: Unit (Modulus of Resilience), kJ/m3 280
220 to 1880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 24
20 to 34
Strength to Weight: Bending, points 22
19 to 28
Thermal Shock Resistance, points 15
16 to 29

Alloy Composition

Carbon (C), % 0 to 0.1
0.38 to 0.43
Chromium (Cr), % 16 to 18
0.7 to 0.9
Iron (Fe), % 59.1 to 65.4
97.3 to 98.1
Manganese (Mn), % 7.0 to 9.0
0.7 to 0.9
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.035
Silicon (Si), % 3.5 to 4.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040