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SAE-AISI A7 Steel vs. EN 2.4665 Nickel

SAE-AISI A7 steel belongs to the iron alloys classification, while EN 2.4665 nickel belongs to the nickel alloys. They have a modest 27% of their average alloy composition in common, which, by itself, doesn't mean much. There are 21 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI A7 steel and the bottom bar is EN 2.4665 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
81
Tensile Strength: Ultimate (UTS), MPa 800 to 2150
790

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 37
12
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 10
55
Density, g/cm3 7.7
8.4
Embodied Carbon, kg CO2/kg material 13
9.2
Embodied Energy, MJ/kg 200
130
Embodied Water, L/kg 100
270

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 29 to 77
26
Strength to Weight: Bending, points 25 to 48
22
Thermal Diffusivity, mm2/s 10
3.2
Thermal Shock Resistance, points 27 to 72
20

Alloy Composition

Aluminum (Al), % 0
0 to 0.5
Boron (B), % 0
0 to 0.010
Carbon (C), % 2.0 to 2.9
0.050 to 0.15
Chromium (Cr), % 5.0 to 5.8
20.5 to 23
Cobalt (Co), % 0
0.5 to 2.5
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 81.4 to 87.7
17 to 20
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
8.0 to 10
Nickel (Ni), % 0 to 0.3
40.3 to 53.8
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0.5 to 1.5
0.2 to 1.0
Vanadium (V), % 3.9 to 5.2
0