High purity: ≥99.95% tungsten for stable high-temperature performance and low thermal expansion.
Precision customization: diameter 0.8–100 mm; forging/machining/polishing options; small-batch sampling.
Process control & QA: powder metallurgy with chemical/physical/surface/metallography tests; low impurities (single ≤0.01%, total ≤0.05%).
High density: 18.2–19.3 g/cm³ for radiation/thermal applications in electronics and furnace systems.
Electronics: semiconductor ion-implant parts, lighting components.
High-temperature furnaces: refractory parts for extreme heat.
Welding: GTAW/resistance welding electrodes with stable arc behavior.
Chemical composition test
Physical properties (density, thermal expansion)
Surface inspection (forging/polishing quality)
Metallography (microstructure uniformity)
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-purity (≥99.95%) tungsten bars produced via powder metallurgy. The bars combine low thermal expansion with high thermal conductivity and are available in customizable sizes and finishes for electronics, high-temperature furnaces, and welding electrodes.
| Parameter | Details | Value |
|---|---|---|
| Material | Pure tungsten | High-temp stability; low thermal expansion |
| Purity | Minimum | ≥99.95% |
| Diameter | Range | 0.8–100 mm |
| Condition | Processing states | Forging / Machining / Polishing |
| Density | Typical | 18.2–19.3 g/cm³ |
| Technology | Route | Powder metallurgy |
| Surface | Options | Black / Polished (as ordered) |
| Impurities | Limits | Single ≤0.01%; total ≤0.05% |
| Diameter (mm) | Black Bar Tolerance (%) | Polished Bar Tolerance (mm) | Length Tolerance (mm) |
|---|---|---|---|
| 0.8–3.0 | ±2 | ±0.03 | L≤50 ±0.5 ; 50<> ±1 |
| 3.0–6.5 | ±2 | ±0.05 | 100<> ±2 |
| 6.5–13.5 | ±2 | ±0.08 | 300<> ±3 |
| 13.5–25.0 | ±2 | ±0.15 | 500<> ±5 |
| 25.0–50 | ±2 | ±0.25 | 1000<> ±10 |
| 50–100 | ±2 | ±0.30 | — |
Note: “<>” follows the original spec notation. Please confirm exact length ranges when ordering.
Purity & spec: e.g., ≥99.95% tungsten; powder-metallurgy route (if required)
Dimensions & tolerance: diameter × length; black/polished; tolerance class/length tolerance segments
Condition & surface: forging/machining/polishing; roughness/straightness targets
Testing & QA: chemical/physical/thermal expansion; metallography; acceptance criteria
Documentation: MTC EN 10204 3.1; inspection reports; RoHS/REACH (as applicable)
Quantity & packaging: lot size; anti-collision packing; export wooden cases
Logistics & terms: target lead time; Incoterms; destination & carrier
Notes: end-use (electronics/furnace/welding) for tailored recommendations
Copyright © Luminatitan Co., Ltd. All rights reserved
