Semih Metals, based in Istanbul, Turkey, is a trusted manufacturer and supplier known for delivering top-notch Incoloy 800H Forgings to clients around the globe in essential industries. With a reputation for precision engineering and durability, the company ensures that its forgings adhere to international standards, guaranteeing peak performance even in the toughest conditions. Incoloy 800H Forgings are crafted to resist heat, oxidation, and corrosion, making them perfect for high-temperature and high-stress environments. Semih Metals prioritizes customer satisfaction, innovation, and timely delivery, which has helped them establish a solid reputation for providing advanced nickel-iron-chromium alloy forging solutions worldwide.
These Incoloy 800H Forgings are made from nickel-iron-chromium alloys, enhanced with controlled amounts of carbon, aluminum, and titanium to boost strength, creep resistance, and oxidation resistance at elevated temperatures. The alloy boasts impressive structural stability, with a tensile strength ranging from 520 to 620 MPa and a yield strength of about 205 MPa, while also offering excellent resistance to carburization and stress cracking. These forgings are known for their toughness, ductility, and weldability, making them dependable for long-term service. Their well-balanced composition and mechanical properties ensure they perform exceptionally in environments with extreme heat, pressure, and corrosive substances, making Incoloy 800H Forgings a go-to choice for critical industrial applications.
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 800H | 30.0-35.0 | 39.5 min | 19.0-23.0 | .75 max | .15-.60 | .15-.60 | .05-.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 800H | N08810 | 1.4958 | Z8NC32-21 | X10NiCrAlTi32-20 | NCF 800H | NA 15(H) | ЭИ670 | XH32T |
The ideal temperature range for forging Incoloy 800H is between 2100°F and 2250°F (1149°C to 1232°C). This range ensures optimal workability and preserves the material’s mechanical properties.
Post-forging operations for Incoloy 800H typically include annealing to relieve stress and enhance ductility, followed by heat treatment to achieve desired mechanical properties. Surface cleaning and inspection for defects are also essential to ensure quality.
To determine if Incoloy 800H Forgings meet your specific needs, review material specifications, including composition and mechanical properties, and consult with suppliers for customized testing or performance data. Additionally, consider your application's temperature, corrosion, and mechanical requirements.
Incoloy 800H Forgings find extensive use in industries that demand high-performance materials capable of enduring extreme heat and corrosive conditions. They are commonly found in petrochemical plants, refineries, and power generation facilities, serving as components in heat exchangers, pressure vessels, and piping systems. In industrial furnaces and equipment, their oxidation resistance and durability at high temperatures make them invaluable. Moreover, the nuclear and chemical sectors utilize them in reactors and superheaters, showcasing their versatility and reliability in demanding applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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