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ACI-ASTM CK35MN Steel vs. S42030 Stainless Steel

Both ACI-ASTM CK35MN steel and S42030 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 31 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 S42030 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
16
Fatigue Strength, MPa 270
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 650
670
Tensile Strength: Yield (Proof), MPa 310
410

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1100
780
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
28
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.9
2.5
Embodied Energy, MJ/kg 81
34
Embodied Water, L/kg 210
110

Common Calculations

PREN (Pitting Resistance) 48
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
92
Resilience: Unit (Modulus of Resilience), kJ/m3 240
440
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
24
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 3.3
7.7
Thermal Shock Resistance, points 14
24

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.3
Chromium (Cr), % 22 to 24
12 to 14
Copper (Cu), % 0 to 0.4
2.0 to 3.0
Iron (Fe), % 43.4 to 51.8
77.6 to 85
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 6.8
1.0 to 3.0
Nickel (Ni), % 20 to 22
0
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