Hemi Metals, located in Hamilton, New Zealand, has earned a solid reputation as a reliable manufacturer and supplier of top-notch Incoloy 800HT Forgings, designed to excel in the toughest industrial settings. With a strong focus on precision, dependability, and adherence to global quality standards, the company provides forging solutions specifically crafted for high-temperature and high-stress applications. Hemi Metals merges cutting-edge production techniques with extensive metallurgical knowledge to guarantee outstanding product performance. Their Incoloy 800HT Forgings are a popular choice across various industries due to their durability, resistance to corrosion, and ability to handle elevated temperatures, making Hemi Metals a go-to partner for essential engineering and manufacturing needs.
Incoloy 800HT Forgings primarily consist of nickel, iron, and chromium, with carefully controlled amounts of carbon, aluminum, and titanium added to boost strength and stability at high temperatures. This alloy boasts excellent creep resistance, impressive tensile strength, and remarkable oxidation resistance in high-heat environments. Mechanically, it holds up well under prolonged exposure to heat and stress. The carefully optimized chemistry of 800HT also enhances metallurgical stability, ensuring reliable performance in thermal processing, petrochemical systems, and other applications that demand exceptional high-temperature mechanical properties.
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 their place in various industries that require outstanding performance in high-temperature and corrosive conditions. They are perfect for heat-treating equipment, furnace components, petrochemical processing units, and industrial heaters, thanks to their resistance to carburization and oxidation. Power generation plants use them in superheater and reheater tubing systems, while refineries depend on their strength for catalytic cracking units and transfer piping. The alloy’s stability at elevated temperatures also makes it a great fit for stress-loaded components in gas turbines, chemical reactors, and thermal applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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