W200 Copper Alloy
Precision Alloys is a reputed manufacturer and global supplier of W200 Copper Alloy, a high-conductivity, high-strength alloy specially designed for advanced electrical, resistance welding, and heat transfer applications. W200 is valued for its excellent hardness, resistance to deformation, and thermal stability, even under extreme mechanical and thermal loads.
We supply W200 in the form of electrodes, rods, bars, forgings, die blocks, and fully-machined parts, customized for automotive, aerospace, tooling, and industrial applications.
What is W200 Copper Alloy?
W200 is a premium-grade, copper-nickel-silicon-chromium (CuNiSiCr) alloy that offers a balanced combination of hardness, strength, and conductivity. Engineered for thermal cycling environments, W200 resists mechanical wear, arc erosion, and cracking, making it a reliable choice for robotic welding, switchgear, electrical contacts, and industrial tools.
W200 Copper Alloy Specifications
| Property | Specification |
|---|---|
| Alloy Designation | W200 |
| RWMA Classification | Class 3+ (High Performance) |
| Forms Available | Bars, Rods, Electrodes, Plates, Forged Blocks, CNC Parts |
| Hardness | 85 – 115 HRB / Up to 35 HRC |
| Delivery Condition | Precipitation Hardened / Heat Treated / Forged |
| Standards | Custom RWMA / ASTM / DIN Specs per application |
W200 Copper Alloy Chemical Composition
| Element | % Composition |
|---|---|
| Copper (Cu) | Balance |
| Nickel (Ni) | 1.0 – 2.5 |
| Silicon (Si) | 0.2 – 0.6 |
| Chromium (Cr) | 0.1 – 0.3 |
| Iron (Fe) | ≤ 0.1 |
| Others | ≤ 0.15 |
Mechanical Properties of W200 Copper Alloy
| Property | Typical Value |
|---|---|
| Tensile Strength | 500 – 620 MPa |
| Yield Strength | 400 – 520 MPa |
| Hardness | 90 – 115 HRB |
| Electrical Conductivity | 50 – 65% IACS |
| Thermal Conductivity | 200 – 240 W/m·K |
| Density | ~8.85 g/cm³ |
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