AWS BNi-3 vs. ASTM A228 Music Wire

AWS BNi-3 belongs to the nickel alloys classification, while ASTM A228 music wire belongs to the iron alloys. There are 19 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is AWS BNi-3 and the bottom bar is ASTM A228 music wire.

AWS BNi-3 (N99630) Filler Metal ASTM A228 (SWP-A, K08500) Music Wire

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa		170
Elastic (Young's, Tensile) Modulus, GPa		190

Poisson's Ratio		0.31
Poisson's Ratio		0.29

Shear Modulus, GPa		66
Shear Modulus, GPa		72

Tensile Strength: Ultimate (UTS), MPa		430
Tensile Strength: Ultimate (UTS), MPa		2450

Thermal Properties

Latent Heat of Fusion, J/g		350
Latent Heat of Fusion, J/g		250

Melting Completion (Liquidus), °C		1040
Melting Completion (Liquidus), °C		1450

Melting Onset (Solidus), °C		980
Melting Onset (Solidus), °C		1410

Specific Heat Capacity, J/kg-K		480
Specific Heat Capacity, J/kg-K		470

Thermal Expansion, µm/m-K		10
Thermal Expansion, µm/m-K		12

Otherwise Unclassified Properties

Base Metal Price, % relative		60
Base Metal Price, % relative		1.8

Density, g/cm³		8.3
Density, g/cm³		7.8

Embodied Carbon, kg CO₂/kg material		9.9
Embodied Carbon, kg CO₂/kg material		1.4

Embodied Energy, MJ/kg		140
Embodied Energy, MJ/kg		19

Embodied Water, L/kg		220
Embodied Water, L/kg		45

Common Calculations

Stiffness to Weight: Axial, points		12
Stiffness to Weight: Axial, points		13

Stiffness to Weight: Bending, points		22
Stiffness to Weight: Bending, points		24

Strength to Weight: Axial, points		14
Strength to Weight: Axial, points		87

Strength to Weight: Bending, points		15
Strength to Weight: Bending, points		52

Thermal Shock Resistance, points		17
Thermal Shock Resistance, points		79

Alloy Composition

Aluminum (Al), %		0 to 0.050
Aluminum (Al), %		0

Boron (B), %		2.8 to 3.5
Boron (B), %		0

Carbon (C), %		0 to 0.060
Carbon (C), %		0.7 to 1.0

Cobalt (Co), %		0 to 0.1
Cobalt (Co), %		0

Iron (Fe), %		0 to 0.5
Iron (Fe), %		98 to 99

Manganese (Mn), %		0
Manganese (Mn), %		0.2 to 0.6

Nickel (Ni), %		90.1 to 93.3
Nickel (Ni), %		0

Phosphorus (P), %		0 to 0.020
Phosphorus (P), %		0 to 0.025

Selenium (Se), %		0 to 0.0050
Selenium (Se), %		0

Silicon (Si), %		4.0 to 5.0
Silicon (Si), %		0.1 to 0.3

Sulfur (S), %		0 to 0.020
Sulfur (S), %		0 to 0.030

Titanium (Ti), %		0 to 0.050
Titanium (Ti), %		0

Zirconium (Zr), %		0 to 0.050
Zirconium (Zr), %		0

Residuals, %		0 to 0.5
Residuals, %		0