VZHL14 Nickel Alloy
General Technical Characteristics
VZHL14 is a heat-resistant cast nickel-based alloy designed for the production of cast bar stock used for subsequent remelting and the manufacture of shaped castings.
The material is used in industry to manufacture components operating under elevated temperatures and mechanical loads. The combination of nickel, chromium, molybdenum, titanium, and aluminum provides high-temperature strength, oxidation resistance, and structural stability during operation.
VZHL14 alloy is manufactured in accordance with technical specifications, including TU 1-92-160-90. Other regulatory documents may apply to specific versions of the alloy.
Chemical Composition
| Element | Content, % |
|---|---|
| Nickel (Ni) | 59.1–63.7 |
| Chromium (Cr) | 18.0–20.0 |
| Iron (Fe) | 8.0–10.0 |
| Molybdenum (Mo) | 4.5–5.5 |
| Titanium (Ti) | 2.6–2.9 |
| Aluminum (Al) | 1.2–1.5 |
| Carbon (C) | 0.05–0.08 |
| Silicon (Si) | Max. 0.4 |
| Manganese (Mn) | Max. 0.4 |
| Boron (B) | Max. 0.005 |
| Cerium (Ce) | Max. 0.02 |
| Sulfur (S) | Max. 0.01 |
| Phosphorus (P) | Max. 0.01 |
Nickel forms the base of the alloy. The actual chemical composition is determined by the requirements of the applicable technical specifications and confirmed by the batch quality certificate.
Mechanical and Operating Properties
VZHL14 belongs to the group of heat-resistant cast alloys designed for manufacturing critical shaped components.
Its main operating characteristics include:
- High-temperature strength.
- Resistance to oxidation at elevated temperatures.
- Resistance to mechanical loads.
- Structural stability under thermal exposure.
- Ability to maintain operating properties during prolonged service.
Specific values for tensile strength, elongation, hardness, and long-term strength depend on the alloy version, manufacturing process, and heat treatment. Therefore, mechanical properties should be specified according to the documentation for the particular batch.
Applications of VZHL14 Nickel Alloy
The primary application of VZHL14 is the production of cast billets for subsequent remelting and the manufacture of heat-resistant shaped components.
The alloy is used for:
- Manufacturing cast bar stock.
- Producing shaped castings for gas turbine equipment.
- Manufacturing components operating at elevated temperatures.
- Producing critical components for industrial and power generation equipment.
- Obtaining billets for further processing and casting of complex-shaped products.
Features of VZHL14 Alloy
The main features of this material include:
- A nickel-based composition with a high chromium content.
- Molybdenum alloying to improve strength and operating characteristics.
- Titanium and aluminum additions that contribute to structural strengthening.
- Resistance to oxidation and high-temperature exposure.
- Suitability for producing cast billets intended for subsequent remelting.
It is important to note that VZHL14 and VZHL14N-VI are not fully identical grades. VZHL14N-VI has a separate chemical composition, including the addition of niobium. When selecting the material, the exact grade designation and compliance with the applicable regulatory documentation must be verified.
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