ASTM B570 Grade C17000 TD01 – High‑Strength, Corrosion‑Resistant Alloy
Alloy 165 provides strength close to that of Alloy 25, with slightly lower beryllium content. The alloy features high fatigue strength and resistance to wear, corrosion, galling, and stress relaxation.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 23.0 °C | 8.41 - 8.8 g/cm³ |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | 23.0 °C | 120 - 131 GPa |
Elongation | 23.0 °C | 17 - 60 % |
Hardness, Rockwell B | 23.0 °C | 45 - 85 [-] |
Tensile strength | 23.0 °C | 410 - 590 MPa |
Yield strength Rp0.2 | 23.0 °C | 130 - 280 MPa |
Thermal
| Property | Temperature | Value |
|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.6E-5 - 1.75E-5 1/K |
Melting point | 870 °C | |
Specific heat capacity | 23.0 °C | 410 J/(kg·K) |
Thermal conductivity | 23.0 °C | 105 - 110 W/(m·K) |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 23.0 °C | 6.2E-6 - 7.89E-6 Ω·m |
Specific Electrical conductivity | 22 - 28 % IACS |
Chemical properties
| Property | Value | Comment |
|---|---|---|
Aluminium | 0 - 0.2 % | |
Beryllium | 1.6 - 1.85 % | |
Cobalt | 0.2 % | min. Nickel + Cobalt |
Copper | 96.3 - 98.2 % | Balance |
Iron | 0 - 0.6 % | max., Nickel + Cobalt + Iron |
Nickel | 0.2 - 0.6 % | min. Nickel + Cobalt |
Other | 0 - 0.5 % | |
Silicon | 0 - 0.2 % |
Technological properties
| Property | ||
|---|---|---|
| Application areas | Typical applications for parts finished by forging or extrusion of these alloys include undersea instrument and repeater housings, generator rings, and resistance welding components. | |
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