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ASTM A228 Music Wire vs. C68000 Brass

ASTM A228 music wire belongs to the iron alloys classification, while C68000 brass belongs to the copper alloys. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is C68000 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 12
27
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 72
40
Tensile Strength: Ultimate (UTS), MPa 2450
390
Tensile Strength: Yield (Proof), MPa 2050
140

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 400
120
Melting Completion (Liquidus), °C 1450
880
Melting Onset (Solidus), °C 1410
870
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 49
96
Thermal Expansion, µm/m-K 12
21

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
48
Embodied Water, L/kg 45
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
82
Stiffness to Weight: Axial, points 13
7.3
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 87
14
Strength to Weight: Bending, points 52
15
Thermal Diffusivity, mm2/s 13
31
Thermal Shock Resistance, points 79
13

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
56 to 60
Iron (Fe), % 98 to 99
0.25 to 1.3
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.2 to 0.6
0.010 to 0.5
Nickel (Ni), % 0
0.2 to 0.8
Phosphorus (P), % 0 to 0.025
0
Silicon (Si), % 0.1 to 0.3
0.040 to 0.15
Sulfur (S), % 0 to 0.030
0
Tin (Sn), % 0
0.75 to 1.1
Zinc (Zn), % 0
35.6 to 42.8
Residuals, % 0
0 to 0.5