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CC762S Brass vs. ASTM A228 Music Wire

CC762S brass belongs to the copper alloys classification, while ASTM A228 music wire belongs to the iron 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 CC762S brass and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
710
Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 7.3
12
Poisson's Ratio 0.32
0.29
Shear Modulus, GPa 43
72
Tensile Strength: Ultimate (UTS), MPa 840
2450
Tensile Strength: Yield (Proof), MPa 540
2050

Thermal Properties

Latent Heat of Fusion, J/g 200
250
Maximum Temperature: Mechanical, °C 160
400
Melting Completion (Liquidus), °C 920
1450
Melting Onset (Solidus), °C 870
1410
Specific Heat Capacity, J/kg-K 420
470
Thermal Conductivity, W/m-K 51
49
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 32
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 24
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 51
19
Embodied Water, L/kg 350
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
280
Stiffness to Weight: Axial, points 7.8
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 29
87
Strength to Weight: Bending, points 25
52
Thermal Diffusivity, mm2/s 15
13
Thermal Shock Resistance, points 27
79

Alloy Composition

Aluminum (Al), % 3.0 to 7.0
0
Antimony (Sb), % 0 to 0.030
0
Carbon (C), % 0
0.7 to 1.0
Copper (Cu), % 57 to 67
0
Iron (Fe), % 1.5 to 4.0
98 to 99
Lead (Pb), % 0 to 0.2
0
Manganese (Mn), % 2.5 to 5.0
0.2 to 0.6
Nickel (Ni), % 0 to 3.0
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.1
0.1 to 0.3
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0 to 0.2
0
Zinc (Zn), % 13.4 to 36
0