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S32654 Stainless Steel vs. ACI-ASTM CN3MN Steel

Both S32654 stainless steel and ACI-ASTM CN3MN steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 32 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 S32654 stainless steel and the bottom bar is ACI-ASTM CN3MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
180
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 45
39
Fatigue Strength, MPa 450
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
80
Tensile Strength: Ultimate (UTS), MPa 850
620
Tensile Strength: Yield (Proof), MPa 490
300

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 460
460
Thermal Conductivity, W/m-K 11
13
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 34
33
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 6.4
6.2
Embodied Energy, MJ/kg 87
84
Embodied Water, L/kg 220
200

Common Calculations

PREN (Pitting Resistance) 57
46
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
200
Resilience: Unit (Modulus of Resilience), kJ/m3 570
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
21
Strength to Weight: Bending, points 25
20
Thermal Diffusivity, mm2/s 2.9
3.4
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 24 to 25
20 to 22
Copper (Cu), % 0.3 to 0.6
0 to 0.75
Iron (Fe), % 38.3 to 45.3
41.4 to 50.3
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 7.0 to 8.0
6.0 to 7.0
Nickel (Ni), % 21 to 23
23.5 to 25.5
Nitrogen (N), % 0.45 to 0.55
0.18 to 0.26
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.010