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ASTM A228 Music Wire vs. C32000 Brass

ASTM A228 music wire belongs to the iron alloys classification, while C32000 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 C32000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
6.8 to 29
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
41
Shear Strength, MPa 1470
180 to 280
Tensile Strength: Ultimate (UTS), MPa 2450
270 to 470
Tensile Strength: Yield (Proof), MPa 2050
78 to 390

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 400
170
Melting Completion (Liquidus), °C 1450
1020
Melting Onset (Solidus), °C 1410
990
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 49
160
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
36
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
37

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
28
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 19
42
Embodied Water, L/kg 45
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
30 to 59
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 87
8.8 to 15
Strength to Weight: Bending, points 52
11 to 16
Thermal Diffusivity, mm2/s 13
47
Thermal Shock Resistance, points 79
9.5 to 16

Alloy Composition

Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
83.5 to 86.5
Iron (Fe), % 98 to 99
0 to 0.1
Lead (Pb), % 0
1.5 to 2.2
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0
0 to 0.25
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
10.6 to 15
Residuals, % 0
0 to 0.4