China Incoloy 800 Pipe Supplier for Heat-Resistant Industrial Piping

In high-temperature piping systems, oxidation resistance is only part of the requirement. The pipe must also maintain dimensional stability after years of thermal cycling. Incoloy 800 (UNS N08800) is a nickel-iron-chromium alloy designed for long-term service in elevated-temperature environments. It combines good mechanical strength with excellent resistance to oxidation, carburization and internal scaling, making it widely used in heat processing and petrochemical industries.

Product Specifications

Item

Details

Product

Incoloy 800 Pipe

UNS No.

N08800

Standard

ASTM B407, ASTM B163, ASTM B829

Outside Diameter

6–610 mm

Wall Thickness

0.8–40 mm

Length

3–12 m or Customized

Pipe Type

Seamless & Welded

Surface

Annealed, Pickled, Bright

Processing Service

Pipe Cutting, Beveling, CNC Machining

Property	Typical Value
Nickel (Ni)	30.0–35.0%
Chromium (Cr)	19.0–23.0%
Iron (Fe)	Balance
Carbon (C)	≤0.10%
Tensile Strength	≥520 MPa
Yield Strength	≥205 MPa
Elongation	≥30%

Why Is Incoloy 800 Pipe Used in High-Temperature Piping?

Stable Performance During Continuous Heating

Incoloy 800 is designed for equipment that remains at elevated temperatures for extended periods. It resists structural instability and maintains reliable mechanical properties during long-term operation.

Excellent Resistance to Oxidation and Carburization

The alloy performs well in oxidizing atmospheres and carbon-rich furnace environments, reducing surface degradation and extending pipe service life.

Easy to Fabricate Into Complete Pipe Systems

The material offers good weldability and fabrication characteristics, allowing it to be processed into elbows, reducers, headers and custom piping assemblies without complicated manufacturing procedures.