Elvis Nickel Alloys, a premier manufacturer and supplier based in Texas, USA, presents Incoloy 800/800H/800HT bolts, known for their outstanding resistance to high-temperature oxidation and carburization. Engineered for robust performance in extreme environments, these bolts are essential for applications in chemical processing, power generation, and petrochemical industries. Our Incoloy 800/800H/800HT bolts offer unmatched durability and reliability, ensuring optimal performance in critical applications.
Elvis Nickel Alloys is a reputable manufacturer and supplier located in Houston, USA, known for providing top-notch Incoloy 800, 800H, and 800HT bolts throughout Texas and beyond. With years of experience under their belt, the company focuses on crafting corrosion-resistant fasteners that are perfect for high-temperature and high-stress settings. Elvis Nickel Alloys takes pride in their rigorous quality control and commitment to international standards, making them a go-to choice in the petrochemical, power generation, and marine sectors. They prioritize timely delivery and customer satisfaction, catering to both large industrial projects and tailored engineering needs with exceptional reliability.
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Alloy 800/800H/800HT Bolt Specifications |
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| Specifications | : | ASTM B 408 ASME SB 408 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts. |
| Grade | C | Mn | Si | Fe | S | Cr | Al-Ti | Ni | |
| 800 | min. | – | – | – | 39.5 | – | 19.0 | 0.15 | 30.0 |
| max. | 0.1 | 1.5 | 1.0 | – | 0.015 | 23.0 | 0.60 | 35.0 | |
| 800H | min. | 0.05 | – | – | 39.5 | – | 19.0 | 0.15 | 30.0 |
| max. | 0.1 | 1.5 | 1.0 | – | 0.015 | 23.0 | 0.60 | 35.0 | |
| 800HT | min. | 0.06 | – | – | 39.5 | – | 19.0 | 0.85/0.25 | 30.0 |
| max. | 0.1 | 1.5 | 1.0 | – | 0.015 | 23.0 | 1.20/0.60 | 35.0 | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 800-H-HT | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa –205 | 30 | – | – |
The Incoloy 800/800H/800HT bolts are primarily made up of nickel (30–35%), iron (the balance), and chromium (19–23%), along with small amounts of carbon, aluminum, and titanium. These alloys are specifically engineered for high-temperature applications, boasting impressive mechanical properties, including tensile strength ranging from 450–600 MPa and yield strength up to 275 MPa. With enhanced resistance to creep and stress rupture—especially in the 800H and 800HT grades—these bolts are dependable in high-heat, oxidizing, and carburizing conditions while maintaining their metallurgical stability.
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Incoloy 800/800H/800HT bolts find extensive use in industries like petrochemical, power generation, and heat treatment, thanks to their remarkable resistance to oxidation and carburization at elevated temperatures. They are perfect for securing components in heat exchangers, furnaces, boilers, pressure vessels, and reactors. Their ability to maintain mechanical strength and resist scaling at temperatures soaring up to 1100°F (593°C) makes them vital for ensuring structural integrity in demanding thermal environments. These bolts provide secure and durable connections in systems that face harsh thermal and chemical challenges.
