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ACI-ASTM CK35MN Steel vs. N08031 Stainless Steel

Both ACI-ASTM CK35MN steel and N08031 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK35MN steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
210
Elongation at Break, % 40
45
Fatigue Strength, MPa 270
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
81
Tensile Strength: Ultimate (UTS), MPa 650
730
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 16
18

Otherwise Unclassified Properties

Base Metal Price, % relative 31
39
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 5.9
7.1
Embodied Energy, MJ/kg 81
96
Embodied Water, L/kg 210
240

Common Calculations

PREN (Pitting Resistance) 48
52
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
270
Resilience: Unit (Modulus of Resilience), kJ/m3 240
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 3.3
3.1
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.015
Chromium (Cr), % 22 to 24
26 to 28
Copper (Cu), % 0 to 0.4
1.0 to 1.4
Iron (Fe), % 43.4 to 51.8
29 to 36.9
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
30 to 32
Nitrogen (N), % 0.21 to 0.32
0.15 to 0.25
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.010