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EN 2.4856 Nickel vs. ASTM A242 HSLA Steel

EN 2.4856 nickel belongs to the nickel alloys classification, while ASTM A242 HSLA steel belongs to the iron alloys.

For each property being compared, the top bar is EN 2.4856 nickel and the bottom bar is ASTM A242 HSLA steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
22
Fatigue Strength, MPa 280
230
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 570
310
Tensile Strength: Ultimate (UTS), MPa 880
490
Tensile Strength: Yield (Proof), MPa 430
330

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 10
52
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 80
1.9
Density, g/cm3 8.6
7.9
Embodied Carbon, kg CO2/kg material 14
1.4
Embodied Energy, MJ/kg 190
18
Embodied Water, L/kg 290
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
95
Resilience: Unit (Modulus of Resilience), kJ/m3 440
290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 28
17
Strength to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 2.7
14
Thermal Shock Resistance, points 29
14

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0.030 to 0.1
0 to 0.15
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0
Copper (Cu), % 0 to 0.5
0.2 to 0.45
Iron (Fe), % 0 to 5.0
98.2 to 99.8
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.8
0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.020
0 to 0.15
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 0 to 0.4
0