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ACI-ASTM CF3MN Steel vs. S13800 Stainless Steel

Both ACI-ASTM CF3MN steel and S13800 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 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 CF3MN steel and the bottom bar is S13800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
290 to 480
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
11 to 18
Fatigue Strength, MPa 250
410 to 870
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 580
980 to 1730
Tensile Strength: Yield (Proof), MPa 290
660 to 1580

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 1010
810
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
16
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 19
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.9
3.4
Embodied Energy, MJ/kg 53
46
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 30
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
150 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 210
1090 to 5490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
35 to 61
Strength to Weight: Bending, points 20
28 to 41
Thermal Diffusivity, mm2/s 4.1
4.3
Thermal Shock Resistance, points 13
33 to 58

Alloy Composition

Aluminum (Al), % 0
0.9 to 1.4
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 17 to 22
12.3 to 13.2
Iron (Fe), % 58.7 to 71.9
73.6 to 77.3
Manganese (Mn), % 0 to 1.5
0 to 0.2
Molybdenum (Mo), % 2.0 to 3.0
2.0 to 3.0
Nickel (Ni), % 9.0 to 13
7.5 to 8.5
Nitrogen (N), % 0.1 to 0.2
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.5
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.0080