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S32654 Stainless Steel vs. ACI-ASTM CK35MN Steel

Both S32654 stainless steel and ACI-ASTM CK35MN steel are iron alloys. They have a moderately high 94% 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 CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 45
40
Fatigue Strength, MPa 450
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 82
81
Tensile Strength: Ultimate (UTS), MPa 850
650
Tensile Strength: Yield (Proof), MPa 490
310

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 440
440
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
470
Thermal Conductivity, W/m-K 11
12
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 34
31
Density, g/cm3 8.0
8.0
Embodied Carbon, kg CO2/kg material 6.4
5.9
Embodied Energy, MJ/kg 87
81
Embodied Water, L/kg 220
210

Common Calculations

PREN (Pitting Resistance) 57
48
Resilience: Ultimate (Unit Rupture Work), MJ/m3 330
210
Resilience: Unit (Modulus of Resilience), kJ/m3 570
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
22
Strength to Weight: Bending, points 25
21
Thermal Diffusivity, mm2/s 2.9
3.3
Thermal Shock Resistance, points 19
14

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.035
Chromium (Cr), % 24 to 25
22 to 24
Copper (Cu), % 0.3 to 0.6
0 to 0.4
Iron (Fe), % 38.3 to 45.3
43.4 to 51.8
Manganese (Mn), % 2.0 to 4.0
0 to 2.0
Molybdenum (Mo), % 7.0 to 8.0
6.0 to 6.8
Nickel (Ni), % 21 to 23
20 to 22
Nitrogen (N), % 0.45 to 0.55
0.21 to 0.32
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.0050
0 to 0.020