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ASTM A228 Music Wire vs. C84800 Brass

ASTM A228 music wire belongs to the iron alloys classification, while C84800 brass belongs to the copper alloys. There are 27 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 ASTM A228 music wire and the bottom bar is C84800 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 12
18
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 72
39
Tensile Strength: Ultimate (UTS), MPa 2450
230
Tensile Strength: Yield (Proof), MPa 2050
100

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 400
150
Melting Completion (Liquidus), °C 1450
950
Melting Onset (Solidus), °C 1410
830
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 49
72
Thermal Expansion, µm/m-K 12
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
16
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
27
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 19
46
Embodied Water, L/kg 45
340

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
34
Stiffness to Weight: Axial, points 13
6.6
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 87
7.3
Strength to Weight: Bending, points 52
9.6
Thermal Diffusivity, mm2/s 13
23
Thermal Shock Resistance, points 79
8.2

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.7 to 1.0
0
Copper (Cu), % 0
75 to 77
Iron (Fe), % 98 to 99
0 to 0.4
Lead (Pb), % 0
5.5 to 7.0
Manganese (Mn), % 0.2 to 0.6
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 1.5
Silicon (Si), % 0.1 to 0.3
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
2.0 to 3.0
Zinc (Zn), % 0
13 to 17
Residuals, % 0
0 to 0.7