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ASTM A228 Music Wire vs. CC764S Brass

ASTM A228 music wire belongs to the iron alloys classification, while CC764S 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 CC764S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
160
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
15
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 72
41
Tensile Strength: Ultimate (UTS), MPa 2450
680
Tensile Strength: Yield (Proof), MPa 2050
290

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 400
130
Melting Completion (Liquidus), °C 1450
850
Melting Onset (Solidus), °C 1410
810
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 49
94
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
36

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 19
49
Embodied Water, L/kg 45
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
80
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 87
24
Strength to Weight: Bending, points 52
22
Thermal Diffusivity, mm2/s 13
30
Thermal Shock Resistance, points 79
22

Alloy Composition

Aluminum (Al), % 0
1.0 to 3.0
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
52 to 66
Iron (Fe), % 98 to 99
0.5 to 2.5
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0.2 to 0.6
0.3 to 4.0
Nickel (Ni), % 0
0 to 3.0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.1 to 0.3
0 to 0.1
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
20.7 to 50.2