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ACI-ASTM CF10SMnN Steel vs. ACI-ASTM CA6NM Steel

Both ACI-ASTM CF10SMnN steel and ACI-ASTM CA6NM steel are iron alloys. Both are furnished in the heat treated (HT) condition. They have 80% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF10SMnN steel and the bottom bar is ACI-ASTM CA6NM steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
17
Fatigue Strength, MPa 260
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 660
850
Tensile Strength: Yield (Proof), MPa 330
620

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 900
770
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
10
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.1
2.5
Embodied Energy, MJ/kg 45
34
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 19
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
130
Resilience: Unit (Modulus of Resilience), kJ/m3 280
1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
30
Strength to Weight: Bending, points 22
26
Thermal Shock Resistance, points 15
31

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.060
Chromium (Cr), % 16 to 18
11.5 to 14
Iron (Fe), % 59.1 to 65.4
78.4 to 84.6
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 1.0
Nickel (Ni), % 8.0 to 9.0
3.5 to 4.5
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030