We offer high-precision Custom Non-Standard W75Cu25 (W75/Cu25) Tungsten Copper Parts, engineered specifically to meet unique customer designs, drawings, and operational requirements. Manufactured through a premium powder metallurgy process (pressing, high-temperature sintering, and copper infiltration), our W75Cu25 alloy (75% Tungsten, 25% Copper) combines high physical hardness, low thermal expansion, and exceptional arc erosion resistance with excellent electrical conductivity.
Whether you require custom ring bushings, bored discs, threaded blocks, or intricate heat sink bases, our advanced CNC machining center ensures tight dimensional tolerances and superior surface finishes.
Material Grade: W75Cu25 / W75/Cu25 (75% W, 25% Cu)
Manufacturing Process: Isostatic Powder Pressing -> Vacuum Sintering -> Copper Infiltration -> Precision CNC Machining
Density: Approx. 14.50 g/cm3
Hardness: Approx. 190 - 210 HB
Conductivity (IACS): Approx. 38% IACS
Thermal Conductivity: Approx. 200 - 220 W/(m-K)
Custom Capabilities: Turning, milling, drilling, wire EDM, precision surface grinding, threading, and lapping according to 2D/3D technical drawings (STEP, IGES, PDF, CAD).
Parameter | Standard / Capability |
Alloy Composition | W75Cu25 (75% W / 25% Cu) |
Available Custom Shapes | Discs, Rings, Bushings, Plates, Blocks, Stepped Studs, Threaded Bases |
Machining Tolerance | Up to +/- 0.005 mm (Based on drawing requirements) |
Surface Finish | Ground / Polished / As-Machined (Ra 0.4 - Ra 1.6) |
Quality Inspection | Density Testing, Ultrasonic Flaw Detection, CMM Dimensional Inspection |







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info@zztungsten.com