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ACI-ASTM CE8MN Steel vs. S15700 Stainless Steel

Both ACI-ASTM CE8MN steel and S15700 stainless steel are iron alloys. They have 87% 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 CE8MN steel and the bottom bar is S15700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 29
1.1 to 29
Fatigue Strength, MPa 370
370 to 770
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 750
1180 to 1890
Tensile Strength: Yield (Proof), MPa 500
500 to 1770

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
400
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 21
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
3.4
Embodied Energy, MJ/kg 58
47
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 40
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
17 to 270
Resilience: Unit (Modulus of Resilience), kJ/m3 620
640 to 4660
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
42 to 67
Strength to Weight: Bending, points 23
32 to 43
Thermal Diffusivity, mm2/s 4.2
4.2
Thermal Shock Resistance, points 21
39 to 63

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.080
0 to 0.090
Chromium (Cr), % 22.5 to 25.5
14 to 16
Iron (Fe), % 56 to 66.4
69.6 to 76.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.5
2.0 to 3.0
Nickel (Ni), % 8.0 to 11
6.5 to 7.7
Nitrogen (N), % 0.1 to 0.3
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030