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Elgiloy® Co-Cr-Ni Alloy, Wire, 47% Cold Reduction (Coil Spring Range)

Category Metal , Nonferrous Metal , Cobalt Alloy , Superalloy
Manufacturer Elgiloy Specialty Metals
Trade Name
Port Shanghai port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Elgiloy® Co-Cr-Ni Alloy, Wire, 47% Cold Reduction (Coil Spring Range).pdf
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Material Notes:
45-48% cold reduction is the normal coil spring range. The strength, shear modulus, and hardness values are specific to this cold reduction treatment; other values below are typical of Elgiloy®.General Elgiloy® information: High strength, ductility, fatigue life, and good mechanical properties. Corrosion resistant in numerous environments. Available in strip (currently 0.0015" to 0.075" thickness and 0.023" to 9.00 " width), round wire (0.006" to 0.625" diameter), sheet, cable, ribbon, bar, rod, and some fabricated parts.General Forming Notes: Forming should be done prior to heat treatment since heat treatment strengthens the material and makes it more difficult to form. Bending of strip should take place perpendicular to the rolling direction so that it will be across the elongated grain structure rather than parallel to it. In bending strip, a 90° bend should be at least 8 times the material thickness; in a 360° bend, a diameter of 18 to 25 times the material thickness is usually acceptable. Wire should not be formed beyond a mean diameter of 4 times the wire size.
Physical Properties Metric English Comments
Density 8.30 g/cc
0.300 lb/in³
Mechanical Properties Metric English Comments
Hardness, Brinell 373
373
Estimated from Rockwell C
Hardness, Rockwell A 71
71
Estimated from Rockwell C
Hardness, Rockwell C 41
41
Hardness, Vickers 393
393
Estimated from Rockwell C
Tensile Strength, Ultimate 1790 MPa
260000 psi
Tensile Strength, Yield 1450 MPa
210000 psi
Modulus of Elasticity 169 GPa
24500 ksi
Calculated
Poissons Ratio 0.226
0.226
Shear Modulus 69.0 GPa
10000 ksi
Thermal Properties Metric English Comments
CTE, linear 15.17 µm/m-°C

@Temperature 0.000 - 500 °C
8.428 µin/in-°F

@Temperature 32.0 - 932 °F
Specific Heat Capacity 0.430 J/g-°C
0.103 BTU/lb-°F
Thermal Conductivity 12.5 W/m-K
86.8 BTU-in/hr-ft²-°F
Melting Point 1427 °C
2601 °F
Component Elements Properties Metric English Comments
Beryllium, Be <= 0.10 %
<= 0.10 %
Carbon, C <= 0.15 %
<= 0.15 %
Chromium, Cr 19 - 21 %
19 - 21 %
Cobalt, Co 39 - 41 %
39 - 41 %
Iron, Fe 11.25 - 20.5 %
11.25 - 20.5 %
As remainder
Manganese, Mn 1.5 - 2.5 %
1.5 - 2.5 %
Molybdenum, Mo 6.0 - 8.0 %
6.0 - 8.0 %
Nickel, Ni 14 - 16 %
14 - 16 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.0000996 ohm-cm
0.0000996 ohm-cm
Magnetic Permeability 1.0004
1.0004
For all practical purposes, Elgiloy® is nonmagnetic through all temperature ranges.
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