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Nickel 625 vs. Grade VDSiCrV Steel

Nickel 625 belongs to the nickel alloys classification, while grade VDSiCrV steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is grade VDSiCrV steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
80
Tensile Strength: Ultimate (UTS), MPa 790 to 910
2100

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Maximum Temperature: Mechanical, °C 980
420
Melting Completion (Liquidus), °C 1350
1440
Melting Onset (Solidus), °C 1290
1400
Specific Heat Capacity, J/kg-K 440
480
Thermal Conductivity, W/m-K 11
47
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 80
2.3
Density, g/cm3 8.6
7.7
Embodied Carbon, kg CO2/kg material 14
1.9
Embodied Energy, MJ/kg 190
26
Embodied Water, L/kg 290
50

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 26 to 29
75
Strength to Weight: Bending, points 22 to 24
47
Thermal Diffusivity, mm2/s 2.9
13
Thermal Shock Resistance, points 22 to 25
63

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0.5 to 0.7
Chromium (Cr), % 20 to 23
0.5 to 1.0
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0
0 to 0.060
Iron (Fe), % 0 to 5.0
96.1 to 97.8
Manganese (Mn), % 0 to 0.5
0.4 to 0.9
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.020
Silicon (Si), % 0 to 0.5
1.2 to 1.7
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0 to 0.4
0
Vanadium (V), % 0
0.1 to 0.25