Hastelloy Alloy is a family of superalloys. It provides a reliable solution for extreme needs. Standard tubos de aço inoxidável e conexões para tubos de aço inoxidável often lacks the needed endurance. It also struggles with corrosion. This is where Hastelloy Alloy offers a superior solution.
Hastelloy Alloy : A Corrosion-Resistant Champion
Hastelloy Alloy is a nickel-based superalloy. It contains a high proportion of nickel, and also contains cromo e molibdênio. These elements give it excellent corrosion resistance. This is especially true in aggressive media. The family includes three main series. They are the B, C, and G series. Each is designed for specific environments.
Key Advantages of Hastelloy Alloy
Hastelloy Alloy provides high resistance. It battles strong acids and resists caustics.
It maintains its strength , performs reliably at elevated temperatures , resists softening under heat.
This alloy is easy to form. It can be readily welded , ensures strong, reliable joints for piping systems.
This alloy is very versatile. It’s used in chemical processing and electronics.
Key Differences : B,C,G Series
| Series | Primary Element | Principais recursos | Common Application |
|---|---|---|---|
| B | Molibdênio | Excellent resistance to reducing acids | Hydrochloric acid, sulfuric acid |
| C | Chromium and Molybdenum | All-around resistance (ox. & red.) | Wet chlorine, mixed acids |
| G | Chromium, Iron, and Molybdenum | Resistance to phosphoric, sulfuric acid | Acid fertilizer production |
Hastelloy Alloy C-Series
| Grau | Key Elements | Primary Advantage |
|---|---|---|
| Hastelloy C4 | Cr/Mo/Ti | Thermal stability, resists IGC |
| Hastelloy C22 | Cr/Mo/W | Universal resistance (ox. & red.) |
| Hastelloy C59 | Cr/Mo | Very high resistência à corrosão |
| Hastelloy C276 | Cr/Mo/W | All-purpose corrosion resistance |
| Hastelloy C2000 | Cr/Mo/Cu | Universal (ox., red., sulfuric acid) |
Hastelloy Alloy B-Series
| Grau | Key Elements | Primary Advantage |
|---|---|---|
| Hastelloy B2 | Ni/Mo | Hydrochloric acid resistance |
| Hastelloy B3 | Ni/Mo | Enhanced thermal stability |
| Hastelloy B4 | Ni/Mo | Good thermal stability |
Hastelloy Alloy G-Series
| Grau | Key Elements | Primary Advantage |
|---|---|---|
| Hastelloy G3 | Cr/Fe/Mo | Welds easily, resists pitting |
| Hastelloy G30 | Cr/Fe/Mo | Phosphoric acid resistance |
| Hastelloy G35 | Cr/Fe/Mo | High strength, resists chlorides |
| Hastelloy G50 | Cr/Fe/Mo | Good for high-temp sulfuric acid |
Hastelloy Alloy in Piping Systems
- Chemical Processing: Strong acid treatment provides resistance to stress corrosion cracking, significantly extending equipment lifespan.
- Pollution Control: Flue gas desulfurization systems withstand highly corrosive acidic condensates.
- Oil & Gas Industry: Suitable for sulfur-containing gas environments, withstanding harsh operating conditions.
- Aerospace: Engine components and exhaust systems withstand extreme temperatures and stresses.
- Pipeline Systems: Critical stainless steel fittings require exceptional corrosion resistance to ensure system integrity.
Sourcing and Fabricating Hastelloy Alloy
A complete Material Test Report (MTR) is required. It verifies the precise composition of the alloy and ensures its performance.
Trabalhar com specialized suppliers of stainless steel pipe and fittings. They understand these alloy steels and can ensure proper fabrication and quality control,and are ISO 9001 e CE-PED certified.
This alloy requires specific procedures. Proper welding technique ensures the integrity of the weld.
It is expensive, so it is important to assess whether the product has a longer service life. This can justify its higher initial cost.
Contate-nos
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