Curtis Tube Fittings is a reputable manufacturer and supplier located in Manila, Philippines, specializing in high-performance **Incoloy 800 Ball Valves** that are built to last, ensuring precision and resilience even in extreme conditions. With a commitment to engineering excellence and rigorous quality control, Curtis delivers valves that guarantee reliable flow control, leak-proof sealing, and a long lifespan in high-temperature and corrosive settings. These Incoloy 800 Ball Valves are crafted to meet international standards, making them perfect for critical applications across various industries that demand strength, stability, and safety in operations.
The **Incoloy 800 Ball Valves** are primarily made up of **nickel (30–35%)**, **chromium (19–23%)**, and **iron (at least 39.5%)**, with carefully controlled amounts of **titanium, aluminum, and carbon** to boost their mechanical strength and resistance to oxidation. In terms of mechanics, they showcase a **tensile strength of around 600 MPa**, a **yield strength of about 275 MPa**, and impressive creep and rupture resistance at high temperatures. This unique composition offers exceptional protection against oxidation, carburization, and stress corrosion caused by chlorides, making them ideal for high-temperature and chemically aggressive environments.
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| 800 | 0.10 max | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 800H | 0.05 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60 | 0.15 – 0.60 |
| 800HT | 0.06 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60ᴬ | 0.15 – 0.60ᴬ |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 800 / 800H / 800HT | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Incoloy 800 | 1.4876 | N08800 | NCF 800 | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 | XH32T |
| Incoloy 800H | 1.4958 / 1.4876 | N08810 | NCF 800H | NA 15(H) | ЭИ670 | Z8NC33-21 | X5NiCrAlTi31-20 | XH32T |
| Incoloy 800HT | 1.4859 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | – | X8NiCrAlTi32-21 | XH32T |
You’ll find **Incoloy 800 Ball Valves** commonly used in **chemical processing, petrochemical, oil and gas, power generation, and heat treatment** sectors. They excel at managing the flow of liquids and gases in systems that face high temperatures, pressure, and corrosive substances. Typical applications include steam systems, heat exchangers, furnace manifolds, and process pipelines. Their thermal stability, corrosion resistance, and mechanical strength ensure dependable operation, extended service life, and safety in challenging industrial settings, making them a top choice for critical valve applications.
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Incoloy 800 Ball Valves find widespread application in high-temperature and corrosive environments like chemical processing, power generation, and petrochemical industries. Their strong build guarantees steady fluid control in severe environments, especially in high-pressure applications. They are required in steam, gas, or severe chemical applications where temperature stability and resistance against corrosion are of great importance. Their leak-tight performance and long lifespan suit them for applications in heat exchangers, boilers, and industrial pipe systems where secure and efficient flow is of paramount concern.
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