Tungsten Bar

Primary Applications

Electronics: Semiconductor ion injection parts, electric light sources—supports high – precision devices.
High – Temp Furnaces: Refractory components—withstands extreme heat in industrial processes.
Welding: Argon arc and resistance welding electrodes—ensures stable arc performance.

Testing

Chemical composition test
Physical properties test (density, thermal expansion)
Surface inspection (forging, polishing quality)
Metallography detection (microstructure uniformity)

Packaging & Delivery

Packaging: Pearl cotton + wooden cases—protects against collision, ensures product integrity.
Shipping: Global delivery via trusted couriers. Contact us for lead times—we align with your production schedule.

Product Description

LuminaTitanium offers high – purity (≥99.95%) Tungsten Bar, produced via powder metallurgy. With low thermal expansion, high thermal conductivity, and customizable specs, it suits electronics, high – temp furnaces, and welding electrodes.

Technical Specifications

Parameter	Details	Why It Works for You
Material	Pure tungsten	Delivers high – temp stability and low thermal expansion.
Purity	≥99.95%	Ensures reliability in precision applications (semiconductors, welding).
Diameter	0.8 – 100mm	Covers diverse industrial needs—from fine wires to thick structural bars.
Status	Forging, Machining, Polishing	Provides flexibility in surface finish and mechanical properties.
Density	18.2g – 19.3g/cm³	Matches high – density application requirements (aerospace, defense).
Technology	Powder metallurgy	Enables uniform microstructure and high – purity production.

Key Advantages

Precision Customization: Need specific diameters (0.8 – 100mm), surface finishes (black/polished), or tolerances? We tailor tungsten bars for your use—tungsten wire production, semiconductor parts, high – temp furnace components, etc. Small batches welcome for testing.
Quality Assurance: Undergo strict testing (chemical, physical, surface, metallography). Low impurity levels (single element ≤0.01%, total ≤0.05%)—ensures reliability in high – temp, high – precision environments.
Industry – Critical Performance: High elastic modulus, thermal conductivity—supports electronics, welding, and glass – melting industries.

Size & Tolerance

Diameter (mm)	Black Bar Tolerance (%)	Polishing 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