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EN 1.4710 Stainless Steel vs. ASTM A228 Music Wire

Both EN 1.4710 stainless steel and ASTM A228 music wire are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 22 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.4710 stainless steel and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
710
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
12
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
72

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 750
400
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
49
Thermal Expansion, µm/m-K 9.9
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.8
1.4
Embodied Energy, MJ/kg 24
19
Embodied Water, L/kg 76
45

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 6.5
13

Alloy Composition

Carbon (C), % 0.2 to 0.35
0.7 to 1.0
Chromium (Cr), % 6.0 to 8.0
0
Iron (Fe), % 87.4 to 92.3
98 to 99
Manganese (Mn), % 0.5 to 1.0
0.2 to 0.6
Molybdenum (Mo), % 0 to 0.15
0
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0.1 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.030