Products
Tungsten carbide wear parts, powder to precision
Five product families manufactured per API SPEC 11AX / 6A / 7 and to customer drawings. Every part starts as in-house carbide powder and finishes on our own CNC grinding lines — one qualified source, full traceability.
Tungsten Carbide Valve Balls & Seats
No.1 worldwide in capacity, quality and margin — API 11AX valve balls up to Ø107.95 mm
- Valve ball grades: 12
- Valve seat grades: 7
- Max ball diameter: Ø107.95 mm
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Carbide Bushings & Sleeves
No.2 in China — 3,000,000 pcs/year for electric submersible pumps (ESP)
- Grades available: 11
- Annual capacity: 3,000,000 pcs
- Domestic ranking: No.2 in China
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Custom Tungsten Carbide Parts
22 grades, made to your drawing — from powder to finished precision part
- Grades available: 22
- Customization: Per drawing / sample
- Industry chain: Powder → blank → machining
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Carbide Cold Heading Dies
11 grades engineered for the fastener industry — longer die life, stable dimensions
- Grades available: 11
- Binder range: Co 6–23%
- Hardness range: HRA 82–92.7
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Carbide Plungers & Pump Parts
P21 / P22 / P23 plunger series + G11 / C21 / C17 / S11 / S13 pump parts — full API 11AX coverage
- Plunger series: P21 / P22 / P23
- Pump part codes: G11 / C21 / C17 / S11 / S13
- Specification: API 11AX full coverage
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Carbide material envelope
All Tungspire grades fall inside the following property window.
| Property | Range |
|---|---|
| WC content | 77 – 94 wt% |
| Binder (Co / Ni) | 6 – 23 wt% |
| Hardness | HRA 82 – 92.7 |
| Transverse rupture strength | 1950 – 3500 N/mm² |
| Density | 9 – 14.95 g/cm³ |