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ASTM A228 Music Wire vs. CC760S Brass

ASTM A228 music wire belongs to the iron alloys classification, while CC760S brass 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 CC760S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
51
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
22
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
42
Tensile Strength: Ultimate (UTS), MPa 2450
180
Tensile Strength: Yield (Proof), MPa 2050
80

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1450
1000
Melting Onset (Solidus), °C 1410
940
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 49
150
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
38
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
40

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
28
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
43
Embodied Water, L/kg 45
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
33
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 87
5.8
Strength to Weight: Bending, points 52
8.2
Thermal Diffusivity, mm2/s 13
45
Thermal Shock Resistance, points 79
6.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Arsenic (As), % 0
0.050 to 0.15
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
83 to 88
Iron (Fe), % 98 to 99
0 to 0.15
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.2 to 0.6
0 to 0.1
Nickel (Ni), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0 to 0.020
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
10.7 to 17