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ACI-ASTM CF10SMnN Steel vs. AISI 440C Stainless Steel

Both ACI-ASTM CF10SMnN steel and AISI 440C stainless steel are iron alloys. They have 80% 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 AISI 440C stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
2.0 to 14
Fatigue Strength, MPa 260
260 to 840
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 660
710 to 1970
Tensile Strength: Yield (Proof), MPa 330
450 to 1900

Thermal Properties

Latent Heat of Fusion, J/g 340
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 900
870
Melting Completion (Liquidus), °C 1360
1480
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.0
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.1
2.2
Embodied Energy, MJ/kg 45
31
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
39 to 88
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 24
26 to 71
Strength to Weight: Bending, points 22
23 to 46
Thermal Shock Resistance, points 15
26 to 71

Alloy Composition

Carbon (C), % 0 to 0.1
1.0 to 1.2
Chromium (Cr), % 16 to 18
16 to 18
Iron (Fe), % 59.1 to 65.4
78 to 83.1
Manganese (Mn), % 7.0 to 9.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 8.0 to 9.0
0
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015