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ASTM A228 Music Wire vs. Nickel 689

ASTM A228 music wire belongs to the iron alloys classification, while nickel 689 belongs to the nickel alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is nickel 689.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
350
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 12
23
Fatigue Strength, MPa 1280
420
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
80
Shear Strength, MPa 1470
790
Tensile Strength: Ultimate (UTS), MPa 2450
1250
Tensile Strength: Yield (Proof), MPa 2050
690

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
990
Melting Completion (Liquidus), °C 1450
1440
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
70
Density, g/cm3 7.8
8.5
Embodied Carbon, kg CO2/kg material 1.4
11
Embodied Energy, MJ/kg 19
150
Embodied Water, L/kg 45
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 87
41
Strength to Weight: Bending, points 52
30
Thermal Shock Resistance, points 79
35

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.3
Boron (B), % 0
0.0030 to 0.010
Carbon (C), % 0.7 to 1.0
0.1 to 0.2
Chromium (Cr), % 0
18 to 20
Cobalt (Co), % 0
9.0 to 11
Iron (Fe), % 98 to 99
0 to 5.0
Manganese (Mn), % 0.2 to 0.6
0 to 0.5
Molybdenum (Mo), % 0
9.0 to 10.5
Nickel (Ni), % 0
48.3 to 60.9
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0.1 to 0.3
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
2.3 to 2.8