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ACI-ASTM CK35MN Steel vs. Grade M35-2 Nickel

ACI-ASTM CK35MN steel belongs to the iron alloys classification, while grade M35-2 nickel belongs to the nickel alloys. They have a modest 24% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK35MN steel and the bottom bar is grade M35-2 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
160
Elongation at Break, % 40
28
Fatigue Strength, MPa 270
160
Poisson's Ratio 0.28
0.32
Shear Modulus, GPa 81
62
Tensile Strength: Ultimate (UTS), MPa 650
500
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1460
1280
Melting Onset (Solidus), °C 1410
1230
Specific Heat Capacity, J/kg-K 470
430
Thermal Conductivity, W/m-K 12
22
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
3.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 31
55
Density, g/cm3 8.0
8.8
Embodied Carbon, kg CO2/kg material 5.9
8.1
Embodied Energy, MJ/kg 81
110
Embodied Water, L/kg 210
250

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
170
Stiffness to Weight: Axial, points 14
10
Stiffness to Weight: Bending, points 25
21
Strength to Weight: Axial, points 22
16
Strength to Weight: Bending, points 21
16
Thermal Diffusivity, mm2/s 3.3
5.7
Thermal Shock Resistance, points 14
17

Alloy Composition

Carbon (C), % 0 to 0.035
0 to 0.35
Chromium (Cr), % 22 to 24
0
Copper (Cu), % 0 to 0.4
26 to 33
Iron (Fe), % 43.4 to 51.8
0 to 3.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 6.0 to 6.8
0
Nickel (Ni), % 20 to 22
59.1 to 74
Niobium (Nb), % 0
0 to 0.5
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.030