ASTM B479 Alloy 800H/Incoloy 800H/UNS N08810 Steel Bar

ASTM B479 Alloy 800H, also known as Incoloy 800H, is a high-temperature alloy steel bar primarily composed of nickel, iron, and chromium. Designated as UNS N08810, this steel bar offers excellent strength and oxidation resistance at elevated temperatures, making it suitable for various high-temperature applications.

Common types of bars in this grade include round bars, square bars, and hexagonal bars. Typical sizes range from 6mm to 250mm in diameter.

Grade name equivalents:

DIN: 1.4958

JIS: NCF 800H

EN: X5NiCrAlTi31-20

ASME: SB-409, SB-408, SB-407, SB-163

Elemental Composition (Typical):

Nickel (Ni): 30.0-35.0%

Chromium (Cr): 19.0-23.0%

Iron (Fe): 39.5% min.

Aluminum (Al): 0.15-0.60%

Titanium (Ti): 0.15-0.60%

Carbon (C): 0.05-0.10%

Manganese (Mn): 1.50% max.

Sulfur (S): 0.015% max.

Silicon (Si): 1.0% max.

Mechanical Properties (Typical):

Tensile Strength: ≥ 520 MPa

Yield Strength: ≥ 205 MPa

Elongation: ≥ 30%

Hardness: ≤ 217 HB

Application Range: ASTM B479 Alloy 800H (Incoloy 800H) steel bars are commonly used in applications requiring high-temperature strength and corrosion resistance, such as in industrial furnaces, petrochemical processing, heat treating equipment, and power generation plants.

Production Process and Quality Control: Stringent quality control measures are implemented throughout the production process to ensure compliance with ASTM standards. Advanced manufacturing processes such as hot forging, hot rolling, and heat treatment are employed to produce high-quality steel bars with superior mechanical properties.

Common Q&As:

Q: What distinguishes Alloy 800H from other high-temperature alloys? A: Alloy 800H offers superior high-temperature strength and oxidation resistance compared to many other alloys, making it ideal for use in demanding high-temperature applications.

Q: Can Alloy 800H steel bars be welded? A: Yes, Alloy 800H exhibits good weldability and can be readily welded using common welding methods.

Trust Sino Special Metal for premium-quality ASTM B479 Alloy 800H (Incoloy 800H) steel bars, ensuring superior performance and reliability for your high-temperature applications.

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