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ACI-ASTM CE8MN Steel vs. S42035 Stainless Steel

Both ACI-ASTM CE8MN steel and S42035 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE8MN steel and the bottom bar is S42035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
18
Fatigue Strength, MPa 370
260
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 750
630
Tensile Strength: Yield (Proof), MPa 500
430

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 440
470
Maximum Temperature: Mechanical, °C 1100
810
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
27
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 21
9.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
2.4
Embodied Energy, MJ/kg 58
34
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 40
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
100
Resilience: Unit (Modulus of Resilience), kJ/m3 620
460
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
22
Strength to Weight: Bending, points 23
21
Thermal Diffusivity, mm2/s 4.2
7.2
Thermal Shock Resistance, points 21
22

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 22.5 to 25.5
13.5 to 15.5
Iron (Fe), % 56 to 66.4
78.1 to 85
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.5
0.2 to 1.2
Nickel (Ni), % 8.0 to 11
1.0 to 2.5
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0.3 to 0.5