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ACI-ASTM CK35MN Steel vs. Nickel 684

ACI-ASTM CK35MN steel belongs to the iron alloys classification, while nickel 684 belongs to the nickel alloys. They have 45% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CK35MN steel and the bottom bar is nickel 684.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
310
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
11
Fatigue Strength, MPa 270
390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
76
Tensile Strength: Ultimate (UTS), MPa 650
1190
Tensile Strength: Yield (Proof), MPa 310
800

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Mechanical, °C 1100
1000
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1410
1320
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
75
Density, g/cm3 8.0
8.3
Embodied Carbon, kg CO2/kg material 5.9
10
Embodied Energy, MJ/kg 81
140
Embodied Water, L/kg 210
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
120
Resilience: Unit (Modulus of Resilience), kJ/m3 240
1610
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22
40
Strength to Weight: Bending, points 21
30
Thermal Shock Resistance, points 14
34

Alloy Composition

Aluminum (Al), % 0
2.5 to 3.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0 to 0.035
0 to 0.15
Chromium (Cr), % 22 to 24
15 to 20
Cobalt (Co), % 0
13 to 20
Copper (Cu), % 0 to 0.4
0 to 0.15
Iron (Fe), % 43.4 to 51.8
0 to 4.0
Manganese (Mn), % 0 to 2.0
0 to 0.75
Molybdenum (Mo), % 6.0 to 6.8
3.0 to 5.0
Nickel (Ni), % 20 to 22
42.7 to 64
Nitrogen (N), % 0.21 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
2.5 to 3.3