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C37100 Brass vs. ASTM A228 Music Wire

C37100 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 (4, in this case) are not shown.

For each property being compared, the top bar is C37100 brass and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 8.0 to 40
12
Poisson's Ratio 0.31
0.29
Shear Modulus, GPa 40
72
Shear Strength, MPa 260 to 300
1470
Tensile Strength: Ultimate (UTS), MPa 370 to 520
2450
Tensile Strength: Yield (Proof), MPa 150 to 390
2050

Thermal Properties

Latent Heat of Fusion, J/g 170
250
Maximum Temperature: Mechanical, °C 120
400
Melting Completion (Liquidus), °C 900
1450
Melting Onset (Solidus), °C 890
1410
Specific Heat Capacity, J/kg-K 380
470
Thermal Conductivity, W/m-K 120
49
Thermal Expansion, µm/m-K 21
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 27
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 30
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 23
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 45
19
Embodied Water, L/kg 320
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 38 to 120
280
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 13 to 18
87
Strength to Weight: Bending, points 14 to 18
52
Thermal Diffusivity, mm2/s 39
13
Thermal Shock Resistance, points 12 to 17
79

Alloy Composition

Carbon (C), % 0
0.7 to 1.0
Copper (Cu), % 58 to 62
0
Iron (Fe), % 0 to 0.15
98 to 99
Lead (Pb), % 0.6 to 1.2
0
Manganese (Mn), % 0
0.2 to 0.6
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 0
0.1 to 0.3
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 36.3 to 41.4
0
Residuals, % 0 to 0.4
0