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EN 2.4665 Nickel vs. ASTM A227 Spring Steel

EN 2.4665 nickel belongs to the nickel alloys classification, while ASTM A227 spring steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 2.4665 nickel and the bottom bar is ASTM A227 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 34
12
Fatigue Strength, MPa 220
900 to 1160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 520
1030 to 1330
Tensile Strength: Ultimate (UTS), MPa 790
1720 to 2220
Tensile Strength: Yield (Proof), MPa 300
1430 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 990
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 450
470
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.6
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 55
1.8
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 9.2
1.4
Embodied Energy, MJ/kg 130
19
Embodied Water, L/kg 270
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
200 to 260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26
61 to 79
Strength to Weight: Bending, points 22
41 to 48
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 20
55 to 71

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0 to 0.010
0
Carbon (C), % 0.050 to 0.15
0.45 to 0.85
Chromium (Cr), % 20.5 to 23
0
Cobalt (Co), % 0.5 to 2.5
0
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 17 to 20
97.4 to 99.1
Manganese (Mn), % 0 to 1.0
0.3 to 1.3
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 40.3 to 53.8
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.050
Tungsten (W), % 0.2 to 1.0
0