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EN 2.4851 Nickel vs. SAE-AISI 4340M Steel

EN 2.4851 nickel belongs to the nickel alloys classification, while SAE-AISI 4340M steel belongs to the iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 2.4851 nickel and the bottom bar is SAE-AISI 4340M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
710
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
6.0
Fatigue Strength, MPa 170
690
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 430
1360
Tensile Strength: Ultimate (UTS), MPa 650
2340
Tensile Strength: Yield (Proof), MPa 230
1240

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Mechanical, °C 1200
430
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 11
38
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.4
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 49
3.9
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 8.1
1.9
Embodied Energy, MJ/kg 120
26
Embodied Water, L/kg 280
55

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 130
4120
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 22
84
Strength to Weight: Bending, points 20
51
Thermal Diffusivity, mm2/s 2.9
10
Thermal Shock Resistance, points 17
70

Alloy Composition

Aluminum (Al), % 1.0 to 1.7
0
Boron (B), % 0 to 0.0060
0
Carbon (C), % 0.030 to 0.1
0.38 to 0.43
Chromium (Cr), % 21 to 25
0.7 to 1.0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 7.7 to 18
93.3 to 94.8
Manganese (Mn), % 0 to 1.0
0.65 to 0.9
Molybdenum (Mo), % 0
0.35 to 0.45
Nickel (Ni), % 58 to 63
1.7 to 2.0
Phosphorus (P), % 0 to 0.020
0 to 0.012
Silicon (Si), % 0 to 0.5
1.5 to 1.8
Sulfur (S), % 0 to 0.015
0 to 0.012
Titanium (Ti), % 0 to 0.5
0
Vanadium (V), % 0
0.050 to 0.1