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SAE-AISI M4 Steel vs. EN 2.4878 Nickel

SAE-AISI M4 steel belongs to the iron alloys classification, while EN 2.4878 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 2.4878 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
78
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
1210 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 260
330
Melting Completion (Liquidus), °C 1610
1370
Melting Onset (Solidus), °C 1560
1320
Specific Heat Capacity, J/kg-K 440
460
Thermal Conductivity, W/m-K 25
11
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
80
Density, g/cm3 8.3
8.3
Embodied Carbon, kg CO2/kg material 14
10
Embodied Energy, MJ/kg 210
150
Embodied Water, L/kg 110
370

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 72
41 to 42
Strength to Weight: Bending, points 23 to 45
31
Thermal Diffusivity, mm2/s 6.9
2.8
Thermal Shock Resistance, points 24 to 68
37 to 39

Alloy Composition

Aluminum (Al), % 0
1.2 to 1.6
Boron (B), % 0
0.010 to 0.015
Carbon (C), % 1.3 to 1.4
0.030 to 0.070
Chromium (Cr), % 3.8 to 4.8
23 to 25
Cobalt (Co), % 0
19 to 21
Copper (Cu), % 0 to 0.25
0 to 0.2
Iron (Fe), % 75.9 to 81.4
0 to 1.0
Manganese (Mn), % 0.15 to 0.4
0 to 0.5
Molybdenum (Mo), % 4.3 to 5.5
1.0 to 2.0
Nickel (Ni), % 0 to 0.3
43.6 to 52.2
Niobium (Nb), % 0
0.7 to 1.2
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.0070
Tantalum (Ta), % 0
0 to 0.050
Titanium (Ti), % 0
2.8 to 3.2
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0
Zirconium (Zr), % 0
0.030 to 0.070

Comparable Variants