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EN 2.4669 Nickel vs. SAE-AISI A7 Steel

EN 2.4669 nickel belongs to the nickel alloys classification, while SAE-AISI A7 steel belongs to the iron alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 2.4669 nickel and the bottom bar is SAE-AISI A7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
72
Tensile Strength: Ultimate (UTS), MPa 1110
800 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1330
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
37
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 60
10
Density, g/cm3 8.4
7.7
Embodied Carbon, kg CO2/kg material 10
13
Embodied Energy, MJ/kg 150
200
Embodied Water, L/kg 260
100

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 37
29 to 77
Strength to Weight: Bending, points 28
25 to 48
Thermal Diffusivity, mm2/s 3.1
10
Thermal Shock Resistance, points 33
27 to 72

Alloy Composition

Aluminum (Al), % 0.4 to 1.0
0
Carbon (C), % 0 to 0.080
2.0 to 2.9
Chromium (Cr), % 14 to 17
5.0 to 5.8
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 5.0 to 9.0
81.4 to 87.7
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.4
Nickel (Ni), % 65.9 to 77.7
0 to 0.3
Niobium (Nb), % 0.7 to 1.2
0
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 2.3 to 2.8
0
Tungsten (W), % 0
0.5 to 1.5
Vanadium (V), % 0
3.9 to 5.2