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ACI-ASTM CK35MN Steel vs. N08366 Stainless Steel

Both ACI-ASTM CK35MN steel and N08366 stainless steel are iron alloys. They have a very high 96% 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 ACI-ASTM CK35MN steel and the bottom bar is N08366 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 40
34
Fatigue Strength, MPa 270
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
80
Tensile Strength: Ultimate (UTS), MPa 650
590
Tensile Strength: Yield (Proof), MPa 310
240

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 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 12
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
33
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 5.9
6.2
Embodied Energy, MJ/kg 81
84
Embodied Water, L/kg 210
200

Common Calculations

PREN (Pitting Resistance) 48
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
160
Resilience: Unit (Modulus of Resilience), kJ/m3 240
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 3.3
3.4
Thermal Shock Resistance, points 14
13

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.035
Chromium (Cr), % 22 to 24
20 to 22
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.4 to 51.8
42.4 to 50.5
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 6.0 to 6.8
6.0 to 7.0
Nickel (Ni), % 20 to 22
23.5 to 25.5
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030