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SAE-AISI M4 Steel vs. EN 2.4654 Nickel

SAE-AISI M4 steel belongs to the iron alloys classification, while EN 2.4654 nickel belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is EN 2.4654 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
1250

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Melting Completion (Liquidus), °C 1610
1390
Melting Onset (Solidus), °C 1560
1330
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
75
Density, g/cm3 8.3
8.4
Embodied Carbon, kg CO2/kg material 14
10
Embodied Energy, MJ/kg 210
150
Embodied Water, L/kg 110
340

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
23
Strength to Weight: Axial, points 26 to 72
42
Strength to Weight: Bending, points 23 to 45
31
Thermal Diffusivity, mm2/s 6.9
3.3
Thermal Shock Resistance, points 24 to 68
37

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 1.3 to 1.4
0.020 to 0.1
Chromium (Cr), % 3.8 to 4.8
18 to 21
Cobalt (Co), % 0
12 to 15
Copper (Cu), % 0 to 0.25
0 to 0.1
Iron (Fe), % 75.9 to 81.4
0 to 2.0
Manganese (Mn), % 0.15 to 0.4
0 to 1.0
Molybdenum (Mo), % 4.3 to 5.5
3.5 to 5.0
Nickel (Ni), % 0 to 0.3
50.6 to 62.5
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0.2 to 0.45
0 to 0.15
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.8 to 3.3
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Zirconium (Zr), % 0
0.020 to 0.080