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ACI-ASTM CK35MN Steel vs. S42035 Stainless Steel

Both ACI-ASTM CK35MN steel and S42035 stainless steel are iron alloys. They have 66% 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 S42035 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
160
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
18
Fatigue Strength, MPa 270
260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 650
630
Tensile Strength: Yield (Proof), MPa 310
430

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 440
470
Maximum Temperature: Mechanical, °C 1100
810
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
27
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
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
9.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.9
2.4
Embodied Energy, MJ/kg 81
34
Embodied Water, L/kg 210
110

Common Calculations

PREN (Pitting Resistance) 48
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
100
Resilience: Unit (Modulus of Resilience), kJ/m3 240
460
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 3.3
7.2
Thermal Shock Resistance, points 14
22

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.080
Chromium (Cr), % 22 to 24
13.5 to 15.5
Copper (Cu), % 0 to 0.4
0
Iron (Fe), % 43.4 to 51.8
78.1 to 85
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 6.8
0.2 to 1.2
Nickel (Ni), % 20 to 22
1.0 to 2.5
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030
Titanium (Ti), % 0
0.3 to 0.5