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ASTM A228 Music Wire vs. AWS BVAg-30

ASTM A228 music wire belongs to the iron alloys classification, while AWS BVAg-30 belongs to the otherwise unclassified metals. There are 15 material properties with values for both materials. Properties with values for just one material (16, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is AWS BVAg-30.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
86
Poisson's Ratio 0.29
0.36
Shear Modulus, GPa 72
31
Tensile Strength: Ultimate (UTS), MPa 2450
170

Thermal Properties

Latent Heat of Fusion, J/g 250
140
Melting Completion (Liquidus), °C 1450
810
Melting Onset (Solidus), °C 1410
810
Specific Heat Capacity, J/kg-K 470
280
Thermal Expansion, µm/m-K 12
19

Otherwise Unclassified Properties

Density, g/cm3 7.8
10

Common Calculations

Stiffness to Weight: Axial, points 13
4.7
Stiffness to Weight: Bending, points 24
14
Strength to Weight: Axial, points 87
4.7
Strength to Weight: Bending, points 52
6.7
Thermal Shock Resistance, points 79
7.6

Alloy Composition

Cadmium (Cd), % 0
0 to 0.0010
Carbon (C), % 0.7 to 1.0
0 to 0.0050
Copper (Cu), % 0
25.5 to 28.5
Iron (Fe), % 98 to 99
0
Lead (Pb), % 0
0 to 0.0020
Manganese (Mn), % 0.2 to 0.6
0
Palladium (Pd), % 0
4.5 to 5.5
Phosphorus (P), % 0 to 0.025
0 to 0.0020
Silicon (Si), % 0.1 to 0.3
0
Silver (Ag), % 0
67 to 69
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
0 to 0.0010