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ACI-ASTM CN3MN Steel vs. S42010 Stainless Steel

Both ACI-ASTM CN3MN steel and S42010 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CN3MN steel and the bottom bar is S42010 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
18
Fatigue Strength, MPa 250
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 620
590
Tensile Strength: Yield (Proof), MPa 300
350

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 430
390
Maximum Temperature: Mechanical, °C 1100
800
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 13
29
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 33
8.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.2
Embodied Energy, MJ/kg 84
30
Embodied Water, L/kg 200
110

Common Calculations

PREN (Pitting Resistance) 46
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
95
Resilience: Unit (Modulus of Resilience), kJ/m3 210
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
20
Thermal Diffusivity, mm2/s 3.4
7.9
Thermal Shock Resistance, points 14
21

Alloy Composition

Carbon (C), % 0 to 0.030
0.15 to 0.3
Chromium (Cr), % 20 to 22
13.5 to 15
Copper (Cu), % 0 to 0.75
0
Iron (Fe), % 41.4 to 50.3
80.9 to 85.6
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0.4 to 0.85
Nickel (Ni), % 23.5 to 25.5
0.35 to 0.85
Nitrogen (N), % 0.18 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030