Chemical composition
Nominal: mid-range where both limits are given, the cap where only a maximum is, balance takes the remainder. Exact specified ranges below.
| Element | Name | Content % | |
|---|---|---|---|
| Main elements2 elements | |||
| W | Tungsten | Bal. | |
| La₂O₃ | Lanthanum oxide | 0.8 – 1.2% | |
| Element | Name | Content % | |
|---|---|---|---|
| Minor & residual1 element | |||
| Other | Other elements, total | ≤ 0.1% | |
Where this grade is recommended
Matched in 2 service conditions; ranks and scores computed from the condition-scoring matrix.
| Service condition | Industry | Temperature | Rank | Score |
|---|---|---|---|---|
| Heating elements & electrodes | Furnaces & Vacuum | 1000 – 1400 °C | 1 / 7 | 95 |
| Sapphire growth crucibles | Solar & Glass | ~2050 °C | 2 / 4 | 93 |
Designations & equivalents
| Trade name(s) | WL10 / WLa10 / EWLa-1 / Lanthanated tungsten |
Cross-references are common near-equivalents for search and shortlisting; substitution across standards requires clause-by-clause verification. All grades in one cross-reference table →
Applicable standards
2 specifications. Name the standard and its edition on the order.
Frequently asked questions
What is Lanthanated Tungsten WL10?
Lanthanated Tungsten WL10 — Tungsten. Lanthanum-strengthened, sag-resistant — longer-life heaters and electrodes
What is the maximum service temperature of WL10?
Typically about 1700 °C; the practical limit depends on media, stress and design life — acceptance per the governing standard.
Which standards cover WL10?
ISO 6848 (tungsten electrodes, WLa10), AWS A5.12 (tungsten electrodes, EWLa-1)
Where is WL10 typically used?
Heating elements & electrodes (Furnaces & Vacuum); Sapphire growth crucibles (Solar & Glass)
In which forms is WL10 available?
Tube, plate, strip, bar, forgings, wire and other forms — sizes and delivery condition confirmed per order, with EN 10204 3.1 / 3.2 certification.
Same series
Download PDF datasheet
This grade’s datasheet as an A4 PDF — for filing, printing or forwarding to colleagues.
Download PDF datasheetSupply & enquiry
For this grade we can supply, against your service conditions:
- Tube, plate, strip, bar, forgings, wire and more — with size range and lead time
- Chemistry and mechanical test report (EN 10204 3.1 / 3.2)
- Like-for-like alternatives and selection advice
- Applicable standards and inspection scope
Or email us: info@kochlin.com
Tube & pipeφ1 – 219 × 0.25 – 25 mm
Plate4.76 – 80 mm
Barφ8 – 300 mm
Wire & filler metalsφ0.01 – 8 mm