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Nickel 625 vs. ASTM A228 Music Wire

Nickel 625 belongs to the nickel alloys classification, while ASTM A228 music wire belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is nickel 625 and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33 to 34
12
Fatigue Strength, MPa 240 to 320
1280
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 79
72
Shear Strength, MPa 530 to 600
1470
Tensile Strength: Ultimate (UTS), MPa 790 to 910
2450
Tensile Strength: Yield (Proof), MPa 320 to 450
2050

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1350
1450
Melting Onset (Solidus), °C 1290
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 11
49
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 80
1.8
Density, g/cm3 8.6
7.8
Embodied Carbon, kg CO2/kg material 14
1.4
Embodied Energy, MJ/kg 190
19
Embodied Water, L/kg 290
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220 to 250
280
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 26 to 29
87
Strength to Weight: Bending, points 22 to 24
52
Thermal Diffusivity, mm2/s 2.9
13
Thermal Shock Resistance, points 22 to 25
79

Alloy Composition

Aluminum (Al), % 0 to 0.4
0
Carbon (C), % 0 to 0.1
0.7 to 1.0
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0 to 1.0
0
Iron (Fe), % 0 to 5.0
98 to 99
Manganese (Mn), % 0 to 0.5
0.2 to 0.6
Molybdenum (Mo), % 8.0 to 10
0
Nickel (Ni), % 58 to 68.9
0
Niobium (Nb), % 3.2 to 4.2
0
Phosphorus (P), % 0 to 0.015
0 to 0.025
Silicon (Si), % 0 to 0.5
0.1 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.4
0