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ACI-ASTM CE8MN Steel vs. S32615 Stainless Steel

Both ACI-ASTM CE8MN steel and S32615 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 27 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 CE8MN steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 29
28
Fatigue Strength, MPa 370
180
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
75
Tensile Strength: Ultimate (UTS), MPa 750
620
Tensile Strength: Yield (Proof), MPa 500
250

Thermal Properties

Latent Heat of Fusion, J/g 300
370
Maximum Temperature: Corrosion, °C 440
410
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1440
1350
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 21
24
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 4.2
4.4
Embodied Energy, MJ/kg 58
63
Embodied Water, L/kg 180
170

Common Calculations

PREN (Pitting Resistance) 40
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
140
Resilience: Unit (Modulus of Resilience), kJ/m3 620
160
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 21
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 22.5 to 25.5
16.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 56 to 66.4
46.4 to 57.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.0 to 4.5
0.3 to 1.5
Nickel (Ni), % 8.0 to 11
19 to 22
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.5
4.8 to 6.0
Sulfur (S), % 0 to 0.040
0 to 0.030