Starc Metals, located in Canberra, Australia, stands out as a leading manufacturer and supplier of high-performance alloys and metal solutions. Their impressive range of products includes Incoloy 800HT forgings, which are celebrated for their remarkable resistance to oxidation and carburization, even at high temperatures. With a strong commitment to quality and precision, Starc Metals ensures that their forgings meet strict industry standards, providing reliability and durability for demanding applications. Thanks to their advanced manufacturing capabilities and knowledgeable technical support, they cater to a variety of industries, such as power generation, petrochemical, and aerospace, making them a trusted partner for high-temperature alloy solutions.
Incoloy 800HT is a robust nickel-iron-chromium alloy crafted for exceptional performance at high temperatures. Typically, it contains 30–35% nickel, 19–23% chromium, along with trace amounts of titanium and aluminum for stabilization. This alloy showcases impressive creep and stress-rupture properties, maintaining its strength and structural integrity at temperatures reaching up to 700°C. Incoloy 800HT forgings are known for their outstanding resistance to oxidation, carburization, and thermal fatigue, while also offering good ductility and toughness. These mechanical properties make it perfect for components that need to withstand prolonged exposure to high heat and corrosive environments.
Specifications ASTM B564 / ASME SB564, AMS 5766
Flat bar blocks up to 27″ width and 15,000 lbs.
Cylinders and sleeves up to 50″ maximum O.D. and 65″ maximum length
Discs and hubs up to 50″ diameter and 20,000 lbs.
Rolled, hand forged or mandrel forged rings up to 84″ maximum O.D. and 40″ maximum length
Rounds, shafts and step shafts up to 144″ maximum length and 20,000 lbs.
| Grade | Ni | Fe | Cr | Cu | Ti | Al | C | Mn | S | Si |
| Alloy 800HT | 30.0-35.0 | 39.5 min | 19.0-23.0 | .75 max | .25-.60 | .85-1.20 | .06-.10 max | 1.5 max | .015 max | 1.0 max |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.94 g/cm3 | 1350-1400 ℃ | Psi – 75,000 , MPa -520 | Psi – 30,000 , MPa – 205 | 30 – 35 % |
| Density | 0.287 lb/in3 / 7.94 g/cm3 |
| Melting Point | 2475 – 2525 °F/ 1357 – 1385 °C |
| Specific Heat @ 70°F | 0.11 Btu/lb•°F |
| Permeability @ 70°F Annealed | 1.014 (200 Oersted) |
| Curie Temperature | -115 °C/ -175 °F |
| Elastic Modulus | 28.50 X 106 psi |
| Electrical Resistivity @ 70°F | 595 ohm•circ mil/ft |
| Annealling Incoloy 800 | 983 – 1038 °C / 1800 – 1900 °F |
| Annealling Incoloy 800H / Ht | 1147 – 1177°C / 2100 – 2150 °F |
| Quench | Rapid Air / Water |
| STANDARD | UNS | WNR. | AFNOR | EN | JIS | BS | GOST | OR |
| Incoloy 800HT | N08811 | 1.4959 | – | X8NiCrAlTi32-21 | NCF 800HT | NA 15(HT) | ЭИ670 | XH32T |
To determine if Incoloy 800HT Forgings meet your specific needs, assess their high-temperature resistance, oxidation, and carburization properties against your application requirements. Consulting with a supplier for detailed material specifications and testing options can also ensure compatibility.
The ideal temperature range for forging Incoloy 800HT is between 2100°F (1149°C) and 2300°F (1260°C). This range ensures optimal workability, mechanical properties, and maintains the material's strength and resistance to oxidation.
Temperature control is crucial for maintaining the desired mechanical properties of forged Incoloy 800HT, as overheating or insufficient heating can lead to reduced strength and ductility. Proper temperature management ensures optimal grain structure, resistance to oxidation, and overall performance in high-temperature applications.
Incoloy 800HT forgings find extensive use in industries that demand reliable high-temperature performance. They are commonly used in applications such as heat exchangers, chemical processing equipment, furnace parts, and gas turbine sections. Its exceptional resistance to oxidation, carburization, and thermal fatigue makes it particularly suitable for environments in power generation, petrochemical, and refineries. Moreover, it is also utilized in aerospace and marine applications where extended exposure to elevated temperatures is a regular occurrence. The blend of strength, corrosion resistance, and durability makes Incoloy 800HT an ideal choice for these challenging conditions.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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