Precision customization: W content 30–80%, wide range of shapes and finishes; small-batch sampling for qualification.
Arc-erosion resistance: high hardness with stable switching under high voltage and load.
Process control & QA: powder mixing, isostatic pressing, vacuum sintering; chemical/physical/conductivity/metallography tests.
High-voltage switches: contact materials resisting arc erosion for stable operations.
Microelectronics: electrodes and connectors for high-precision, high-reliability devices.
Electric processing: welding electrodes and heavy-load relays handling high current/temperature.
Chemical composition test
Physical properties (density, hardness, resistivity)
Conductivity detection
Appearance & size inspection
Metallography evaluation
Send your specifications (grade, size, quantity) — quotation and lead time within 12 hours. Trial orders with flexible MOQ are supported for evaluation and qualification. All materials are supplied with EN 10204 3.1 MTC and full inspection documentation for export compliance.
LuminaTitanium offers high-performance Silver Tungsten Alloy engineered to ASTM B702. Using powder metallurgy, Ag and W are consolidated into a uniform, non-miscible alloy structure that delivers high hardness, arc-erosion resistance, and configurable specifications for switch contacts, microelectronics electrodes, and heavy-duty relays.
| Parameter | Details | Value |
|---|---|---|
| Material | Pure silver + pure tungsten | High hardness and arc-erosion resistance |
| Standard | ASTM B702 | Aligns with global industrial quality |
| Technology | Powder metallurgy | Uniform microstructure for reliable contacts/electrodes |
| W content | Common ranges | 30%–80% W (Ag balance) |
| Forms | Plate, sheet, bar, rod, wire, foil, disc, ring, fittings | Supports switches, electrodes, relays |
| Surface | Machined / Polished | Smoothness & conductivity |
| Supply | Cut-to-size, custom shapes | Tailored to drawings and downstream assembly |
| Documentation | MTC EN 10204 3.1; inspection reports | Supports audits and qualification |
| Symbol | Ag (%) | Total Impurities ≤ (%) | W (%) | Density ≥ (g/cm³) | Hardness HB ≥ | Resistivity ≤ (nΩ·cm) | Conductivity ≥ (IACS/%) | Bending Strength ≥ (MPa) |
|---|---|---|---|---|---|---|---|---|
| AgW(30) | 70±1.5 | 0.5 | Bal | 11.75 | 75 | 2.3 | 75 | — |
| AgW(40) | 60±1.5 | 0.5 | Bal | 12.40 | 85 | 2.6 | 66 | — |
| AgW(50) | 50±1.5 | 0.5 | Bal | 13.15 | 105 | 3.0 | 57 | — |
| AgW(55) | 45±1.5 | 0.5 | Bal | 13.55 | 115 | 3.2 | 54 | — |
| AgW(60) | 40±1.5 | 0.5 | Bal | 14.00 | 125 | 3.4 | 51 | — |
| AgW(65) | 35±1.5 | 0.5 | Bal | 14.50 | 135 | 3.6 | 48 | — |
| AgW(70) | 30±1.5 | 0.5 | Bal | 14.90 | 150 | 3.8 | 45 | 657 |
| AgW(75) | 25±1.5 | 0.5 | Bal | 15.40 | 165 | 4.2 | 41 | 686 |
| AgW(80) | 20±1.5 | 0.5 | Bal | 16.10 | 180 | 4.6 | 37 | 726 |
Standard & composition: e.g., ASTM B702; AgW(30–80)
Form & dimensions: plate/sheet/bar/rod/wire/foil/disc/ring/fittings; size & tolerance
Surface & condition: machined / polished; any conductivity or roughness target
Testing & QA: chemical/physical/resistivity; metallography; special acceptance criteria
Documentation: MTC EN 10204 3.1; inspection reports; RoHS/REACH (as applicable)
Quantity & packaging: lot size; anti-friction protection; export wooden cases
Logistics & terms: target lead time; Incoterms; destination & carrier
Notes: end-use (e.g., switch contact class, electrode duty) for tailored recommendations
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