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ASTM A228 Music Wire vs. EN 1.7710 Steel

Both ASTM A228 music wire and EN 1.7710 steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 29 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 EN 1.7710 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 710
280 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12
6.8 to 11
Fatigue Strength, MPa 1280
500 to 620
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 2450
930 to 1070
Tensile Strength: Yield (Proof), MPa 2050
800 to 1060

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
440
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49
41
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
3.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 19
30
Embodied Water, L/kg 45
57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 280
73 to 100
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 87
33 to 38
Strength to Weight: Bending, points 52
27 to 30
Thermal Diffusivity, mm2/s 13
11
Thermal Shock Resistance, points 79
27 to 31

Alloy Composition

Carbon (C), % 0.7 to 1.0
0.12 to 0.18
Chromium (Cr), % 0
1.3 to 1.8
Iron (Fe), % 98 to 99
95.1 to 97
Manganese (Mn), % 0.2 to 0.6
0.6 to 1.0
Molybdenum (Mo), % 0
0.8 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.1 to 0.3
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25