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ASTM A228 Music Wire vs. S44700 Stainless Steel

Both ASTM A228 music wire and S44700 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is ASTM A228 music wire and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
200
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 12
23
Fatigue Strength, MPa 1280
300
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
82
Shear Strength, MPa 1470
380
Tensile Strength: Ultimate (UTS), MPa 2450
600
Tensile Strength: Yield (Proof), MPa 2050
450

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
18
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.6
Embodied Energy, MJ/kg 19
49
Embodied Water, L/kg 45
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
120
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 87
21
Strength to Weight: Bending, points 52
20
Thermal Shock Resistance, points 79
19

Alloy Composition

Carbon (C), % 0.7 to 1.0
0 to 0.010
Chromium (Cr), % 0
28 to 30
Copper (Cu), % 0
0 to 0.15
Iron (Fe), % 98 to 99
64.9 to 68.5
Manganese (Mn), % 0.2 to 0.6
0 to 0.3
Molybdenum (Mo), % 0
3.5 to 4.2
Nickel (Ni), % 0
0 to 0.15
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.1 to 0.3
0 to 0.2
Sulfur (S), % 0 to 0.030
0 to 0.020