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Nickel 625 vs. ACI-ASTM CK35MN Steel

Nickel 625 belongs to the nickel alloys classification, while ACI-ASTM CK35MN steel belongs to the iron alloys. They have 52% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is ACI-ASTM CK35MN steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 33 to 34
40
Fatigue Strength, MPa 240 to 320
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 79
81
Tensile Strength: Ultimate (UTS), MPa 790 to 910
650
Tensile Strength: Yield (Proof), MPa 320 to 450
310

Thermal Properties

Latent Heat of Fusion, J/g 330
310
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1290
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 80
31
Density, g/cm3 8.6
8.0
Embodied Carbon, kg CO2/kg material 14
5.9
Embodied Energy, MJ/kg 190
81
Embodied Water, L/kg 290
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
210
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 490
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
22
Strength to Weight: Bending, points 22 to 24
21
Thermal Diffusivity, mm2/s 2.9
3.3
Thermal Shock Resistance, points 22 to 25
14

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0 to 0.035
Chromium (Cr), % 20 to 23
22 to 24
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.4
Iron (Fe), % 0 to 5.0
43.4 to 51.8
Manganese (Mn), % 0 to 0.5
0 to 2.0
Molybdenum (Mo), % 8.0 to 10
6.0 to 6.8
Nickel (Ni), % 58 to 68.9
20 to 22
Niobium (Nb), % 3.2 to 4.2
0
Nitrogen (N), % 0
0.21 to 0.32
Phosphorus (P), % 0 to 0.015
0 to 0.035
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0 to 0.4
0