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ASTM A228 Music Wire vs. CC380H Copper-nickel

ASTM A228 music wire belongs to the iron alloys classification, while CC380H copper-nickel belongs to the copper alloys. There are 28 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 ASTM A228 music wire and the bottom bar is CC380H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
80
Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 12
26
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
47
Tensile Strength: Ultimate (UTS), MPa 2450
310
Tensile Strength: Yield (Proof), MPa 2050
120

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 400
220
Melting Completion (Liquidus), °C 1450
1130
Melting Onset (Solidus), °C 1410
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 49
46
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
36
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.4
3.8
Embodied Energy, MJ/kg 19
58
Embodied Water, L/kg 45
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
65
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 87
9.8
Strength to Weight: Bending, points 52
12
Thermal Diffusivity, mm2/s 13
13
Thermal Shock Resistance, points 79
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
84.5 to 89
Iron (Fe), % 98 to 99
1.0 to 1.8
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.2 to 0.6
1.0 to 1.5
Nickel (Ni), % 0
9.0 to 11
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.5