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Nickel 625 vs. SAE-AISI M46 Steel

Nickel 625 belongs to the nickel alloys classification, while SAE-AISI M46 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is SAE-AISI M46 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 790 to 910
800 to 2300

Thermal Properties

Latent Heat of Fusion, J/g 330
270
Melting Completion (Liquidus), °C 1350
1540
Melting Onset (Solidus), °C 1290
1500
Specific Heat Capacity, J/kg-K 440
450
Thermal Conductivity, W/m-K 11
18
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 80
33
Density, g/cm3 8.6
8.1
Embodied Carbon, kg CO2/kg material 14
12
Embodied Energy, MJ/kg 190
180
Embodied Water, L/kg 290
150

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 29
27 to 78
Strength to Weight: Bending, points 22 to 24
24 to 48
Thermal Diffusivity, mm2/s 2.9
4.9
Thermal Shock Resistance, points 22 to 25
25 to 71

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
1.2 to 1.3
Chromium (Cr), % 20 to 23
3.7 to 4.2
Cobalt (Co), % 0 to 1.0
7.8 to 8.8
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 0 to 5.0
70 to 73.8
Manganese (Mn), % 0 to 0.5
0.2 to 0.4
Molybdenum (Mo), % 8.0 to 10
8.0 to 8.5
Nickel (Ni), % 58 to 68.9
0 to 0.3
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.030
Silicon (Si), % 0 to 0.5
0.4 to 0.65
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0
Tungsten (W), % 0
1.9 to 2.2
Vanadium (V), % 0
3.0 to 3.3

Comparable Variants