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EN 2.4654 Nickel vs. ASTM A387 Grade 21 Steel

EN 2.4654 nickel belongs to the nickel alloys classification, while ASTM A387 grade 21 steel belongs to the iron alloys. There are 28 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 2.4654 nickel and the bottom bar is ASTM A387 grade 21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
21
Fatigue Strength, MPa 460
160 to 250
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
74
Shear Strength, MPa 770
310 to 370
Tensile Strength: Ultimate (UTS), MPa 1250
500 to 590
Tensile Strength: Yield (Proof), MPa 850
230 to 350

Thermal Properties

Latent Heat of Fusion, J/g 320
260
Maximum Temperature: Mechanical, °C 1000
480
Melting Completion (Liquidus), °C 1390
1470
Melting Onset (Solidus), °C 1330
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 13
41
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 75
4.1
Density, g/cm3 8.4
7.9
Embodied Carbon, kg CO2/kg material 10
1.8
Embodied Energy, MJ/kg 150
23
Embodied Water, L/kg 340
62

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 1810
140 to 320
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 42
18 to 21
Strength to Weight: Bending, points 31
18 to 20
Thermal Diffusivity, mm2/s 3.3
11
Thermal Shock Resistance, points 37
14 to 17

Alloy Composition

Aluminum (Al), % 1.2 to 1.6
0
Boron (B), % 0.0030 to 0.010
0
Carbon (C), % 0.020 to 0.1
0.050 to 0.15
Chromium (Cr), % 18 to 21
2.8 to 3.3
Cobalt (Co), % 12 to 15
0
Copper (Cu), % 0 to 0.1
0
Iron (Fe), % 0 to 2.0
94.4 to 96
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 3.5 to 5.0
0.9 to 1.1
Nickel (Ni), % 50.6 to 62.5
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.15
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.025
Titanium (Ti), % 2.8 to 3.3
0
Zirconium (Zr), % 0.020 to 0.080
0