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SAE-AISI A4 Steel vs. EN 2.4951 Nickel

SAE-AISI A4 steel belongs to the iron alloys classification, while EN 2.4951 nickel belongs to the nickel alloys. There are 23 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 SAE-AISI A4 steel and the bottom bar is EN 2.4951 nickel.

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
76
Tensile Strength: Ultimate (UTS), MPa 710 to 2050
750

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
1.7

Otherwise Unclassified Properties

Base Metal Price, % relative 3.9
60
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.8
9.3
Embodied Energy, MJ/kg 24
130
Embodied Water, L/kg 59
280

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 25 to 73
25
Strength to Weight: Bending, points 23 to 46
22
Thermal Diffusivity, mm2/s 11
3.1
Thermal Shock Resistance, points 23 to 67
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 1.0 to 1.1
0.080 to 0.15
Chromium (Cr), % 0.9 to 2.2
18 to 21
Cobalt (Co), % 0
0 to 5.0
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 92 to 95.5
0 to 5.0
Manganese (Mn), % 1.8 to 2.2
0 to 1.0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
65.4 to 81.7
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
Titanium (Ti), % 0
0.2 to 0.6