Comparison of Incoloy 800/800H/800HT alloy round bars
Comparison of Incoloy 800/800H/800HT alloy round bars
Incoloy 800, 800H, and 800HT bars are iron-nickel-chromium alloy bars, primarily differing in their carbon, aluminum, and titanium content. Of these, 800HT round bars have the most strictly controlled composition, resulting in superior creep resistance and fracture strength at extremely high temperatures (above 650°C); while 800 bars are suitable for moderate temperatures, and the high-temperature performance of 800H alloy bars falls between that of 800 and 800HT alloy bars. Therefore, the choice of alloy depends on the specific temperature, stress, and corrosion requirements of the application.
What is the maximum operating temperature of Incoloy 800?
If the deformation is 5% or more, the hot working temperature range for Incoloy alloys 800H and 800HT is 1740–2190°F (950–1200°C). If the hot deformation is less than 5%, the recommended hot working temperature range is 1560–1920°F (850–1050°C).
Gnee Steel is one of the well-known manufacturers and exporters of Incoloy 800/800H/800HT round bars in the Chinese market.
Incoloy 800 round bar is a chromium, nickel, and iron stabilized alloy that offers high strength and corrosion resistance in high-temperature applications. Its high nickel content provides excellent resistance to chloride stress corrosion cracking. Incoloy 800H round bars and 800HT alloy bars are part of the Incoloy 800 bar series. Incoloy 800H alloy bars are composed of nickel, chromium, and iron. The 800HT bar is a nickel, iron, and chromium-based alloy, a derivative of the 800H bar alloy. These alloys exhibit exceptional mechanical strength and excellent corrosion resistance in high-temperature and high-pressure environments.
Gnee Steel offers high-quality Incoloy 800/800H/800HT round bars in various specifications, shapes, and thicknesses to meet the needs of our valued customers. These round bars possess exceptional properties such as high durability, excellent surface finish, superior corrosion resistance, robust structure, and long service life. Our manufacturing team adheres to all international standards to design round bars with perfect dimensional accuracy. Gnee Steel effectively utilizes high-quality, pure raw materials to manufacture Incoloy 800/800H/800HT round bars.
Gnee Steel has a team of experienced professionals who utilize their skills and knowledge to develop high-quality round bars. They employ modern tools and advanced methods in the production process to ensure product quality. The Incoloy 800/800H/800HT round bars offered by Gnee Steel exhibit excellent tensile strength and remarkable oxidation resistance, even in extreme environments. Gnee Steel's quality control team rigorously conducts multiple tests to check various quality parameters of the round bars.
Gnee Steel supplies a wide range of Incoloy 800/800H/800HT round bars to numerous industries, including petrochemicals, pharmaceuticals, paper manufacturing, chemical equipment, power generation, and oil and gas processing. Gnee Steel ensures that Incoloy 800/800H/800HT round bars are provided to our valued customers at affordable prices. Gnee Steel offers various transportation and packaging options based on customer requirements.
Incoloy Alloy 800/800H/800HT Round Bar Specification
| Standard | ASTM B408, ASME SB408 |
| Round Bar Size | 3mm~ 800mm |
| Square Bar Size | 4mm* 4mm ~100mm* 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm* 20mm* 20mm~ 12mm* 100mm* 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc |
Types Of Incoloy 800/800H/800HT Round Bar
Incoloy 800/800H/800HT Round Bar
ASTM B408 Incoloy 800H round bar, UNS N08800 round bar, 1.4876 round bar, Incoloy 800/800H/800HT round bar exporter, Incoloy 800H round bar supplier, Incoloy 800HT round bar manufacturer
Incoloy 800/800H/800HT Square Bar
ASTM B408 Incoloy 800H square bar. UNS N08810 square bar, 1.4958 square bar, Incoloy 800H square bar exporter, Inconel 800H square bar supplier, Incoloy 800 square bar manufacturer
Incoloy 800/800H/800HT Hex Bar
ASTM B408 Incoloy 800H hexagonal bars, UNS N08810 hexagonal bars, 1.4958 hexagonal bars, Inconel 800HT hexagonal bar exporter, Incoloy 800HT hexagonal bar supplier, Incoloy 800H hexagonal bar manufacturer
Incoloy 800/800H/800HT Flat Bar
ASTM B408 Incoloy 800H flat bar, UNS N08810 flat bar, 1.4958 flat bar, Incoloy 800H flat bar exporter, Incoloy 800H flat bar supplier, Incoloy 800HT flat bar manufacturer
Incoloy 800/800H/800HT Forged Rod
ASTM B408 Incoloy 800HT forged bars, UNS N08811 forged bars, 1.4959 forged bars, Incoloy 800H forged bar exporter, Incoloy 800H forged bar supplier, Incoloy 800H forged bar manufacturer.
Incoloy 800/800H/800HT Bright Bar
ASTM B408 Incoloy 800H bright bar, UNS N08811 bright bar, 1.4959 bright bar, Inconel 800H bright bar exporter, Incoloy 800H bright bar supplier, Incoloy 800HT bright bar manufacturer
Equivalent Grades of B408 Incoloy 800/800H/800HT Bars
| STANDARD | WERKSTOFF NR. | UNS | GOST | AFNOR | JIS | BS | EN | OR |
| Incoloy 800 | 1.4876 | N08800 | ЭИ670 | Z8NC32-21 | NCF 800 | NA 15 | X10NiCrAlTi32-20 | XH32T |
| Incoloy 800H | 1.4958 / 1.4876 | N08810 | ЭИ670 | Z8NC33-21 | NCF 800H | NA 15(H) | X5NiCrAlTi31-20 | XH32T |
| Incoloy 800HT | 1.4859 / 1.4876 | N08811 | ЭИ670 | - | NCF 800HT | NA 15(HT) | X8NiCrAlTi32-21 | XH32T |
Incoloy 800/800H/800HT Bar / Rods Chemical Properties
| 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 – 0.60 | 0.15 – 0.60 |
Incoloy 800/800H/800HT Round Bars Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Alloy 800 / 800H / 800HT | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
Why choose these grades of round bars?
Suitable for lower temperatures: If your round bars require strength and corrosion resistance but will not be subjected to extreme, prolonged high temperatures, then the 800 grade is an economical choice.
Suitable for medium to high temperatures: If you require better creep resistance than the 800 grade for long-term operation (e.g., in the petrochemical industry), choose the 800H grade.
Suitable for extreme conditions: For optimal performance in the most demanding, highest-temperature cyclic conditions (such as gas turbines or furnace components), the 800HT grade offers unparalleled durability.
Why Choose Gnee as Your Nickel-Based Alloy Supplier
✅ Over 18 years of export experience, products sold to more than 80 countries
✅ Certified by ISO, SGS, and BV
✅ Global inventory of Inconel, Hastelloy, Incoloy, and Monel alloy tubing, plates, and bars
✅ Custom processing services available – including cutting, polishing, CNC machining, and packaging
✅ Fast delivery within 7-15 days, supported by global logistics partners
📦 Packaging and Shipping
All stainless steel products are packaged using the following methods:
Wooden pallets or crates
Moisture-proof packaging
Labels with furnace number, standard, and size labels
Shipped worldwide by sea, air, or express
Gnee Steel is a supplier of incoloy 800HT alloy, offering a wide range of products including: seamless pipe (sizes: 4-219 mm; thickness: 0.5-20 mm); welded pipe (sizes: 5.0-1219.2 mm; thickness: 0.5-20 mm); plates (thickness: 0.1 to 100 mm; width: 10-2500 mm); strips; alloy round bars (diameter: 3-800 mm); flat bars (thickness: 2-100 mm; width: 10-500 mm); hexagonal bars (size: 2-100 mm); wire rods; and extruded profiles. We collaborate with steel mills to provide our customers with incoloy 800HT alloy products that meet or exceed numerous leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN, and BS standards.
Gnee Steel stocks and sells incoloy 800HT, pipes, plates, strips, round bars, flat bars, forged billets, hexagonal steel, wire rods, and extruded profiles. Please feel free to contact us at ss@gneesteel.com for a quote.
