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EN 1.4877 Stainless Steel vs. ASTM A228 Music Wire

Both EN 1.4877 stainless steel and ASTM A228 music wire are iron alloys. They have a modest 40% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4877 stainless steel and the bottom bar is ASTM A228 music wire.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
710
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 36
12
Fatigue Strength, MPa 170
1280
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Shear Strength, MPa 420
1470
Tensile Strength: Ultimate (UTS), MPa 630
2450
Tensile Strength: Yield (Proof), MPa 200
2050

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1150
400
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
49
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.2
1.4
Embodied Energy, MJ/kg 89
19
Embodied Water, L/kg 220
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
87
Strength to Weight: Bending, points 20
52
Thermal Diffusivity, mm2/s 3.2
13
Thermal Shock Resistance, points 15
79

Alloy Composition

Aluminum (Al), % 0 to 0.025
0
Carbon (C), % 0.040 to 0.080
0.7 to 1.0
Cerium (Ce), % 0.050 to 0.1
0
Chromium (Cr), % 26 to 28
0
Iron (Fe), % 36.4 to 42.3
98 to 99
Manganese (Mn), % 0 to 1.0
0.2 to 0.6
Nickel (Ni), % 31 to 33
0
Niobium (Nb), % 0.6 to 1.0
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0 to 0.3
0.1 to 0.3
Sulfur (S), % 0 to 0.010
0 to 0.030