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ASTM A228 Music Wire vs. CC761S Brass

ASTM A228 music wire belongs to the iron alloys classification, while CC761S 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 CC761S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
150
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
8.7
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
42
Tensile Strength: Ultimate (UTS), MPa 2450
540
Tensile Strength: Yield (Proof), MPa 2050
340

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1450
960
Melting Onset (Solidus), °C 1410
910
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 49
27
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
40
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
43

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
45
Embodied Water, L/kg 45
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
41
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 87
18
Strength to Weight: Bending, points 52
18
Thermal Diffusivity, mm2/s 13
8.0
Thermal Shock Resistance, points 79
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Antimony (Sb), % 0
0 to 0.050
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
78 to 83
Iron (Fe), % 98 to 99
0 to 0.6
Lead (Pb), % 0
0 to 0.8
Manganese (Mn), % 0.2 to 0.6
0 to 0.2
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.1 to 0.3
3.0 to 5.0
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0 to 0.3
Zinc (Zn), % 0
8.9 to 19