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N08811( Incoloy 800HT) High-Temperature Nickel-Chromium-Iron Alloy
N08811( Incoloy 800HT) High-Temperature Nickel-Chromium-Iron Alloy

ASTM B407 for Nickel Iron Chromium Alloy Seamless Pipe and Tube
ASTM B408 for Nickel Iron Chromium Alloy Rod and Bar
ASTM B409 FOR Nickel Iron Chromium Alloy Plate, Sheet and Strip

Product details


Introduction

N08811, also known as Incoloy 800HT, is an improved high-temperature nickel-chromium-iron alloy with appropriate amounts of molybdenum, copper and aluminum. This chemical combination provides good corrosion resistance and high-temperature stability. The structural stability of the alloy enables it to exhibit better performance at high temperatures. Compared with Incoloy 800 and 800H, N08811 has better structural stability and creep resistance at high temperatures. It is particularly suitable for high temperature and corrosive environments.

Chemical components%

Composition

Fe

C

Si

Mg

P

S

Cr

Ni

Cu

Ti

Al

Min

39.5

0.06

\

\

\

\

19

30

\

0.25

0.25

Max

\

0.1

1

1.5

0.04

0.015

23

35

0.75

0.6

0.6

Mechanical properties

Rigidity

Tensile   strength

Yield   strength

Elongation

≤192HBW

≥450MPa

≥170MPa

≥35%

Physical properties

Density

Melting points

Specific   heat

Magnetism

8.0g/cm3

1350-1400℃

455J/(Kg.℃

\

Advantages

(1) High temperature performance: N08811 alloy can maintain good mechanical properties at temperatures up to 982°C (1800°F), suitable for long-term use in high temperature environments.

(2) Corrosion resistance: The alloy has excellent resistance to oxidizing and reducing corrosive media, especially in chloride-containing environments.

Applications

(1) Oil and gas industry: NO8811 is used in the oil and gas industry to manufacture equipment and components such as heat exchangers and pipelines in high temperature and high pressure environments.

(2) Chemical industry: In the field of chemical processing, the alloy is used to produce high temperature and corrosion resistant reactors and piping systems.

(3) Power industry: NO8811 alloy is used to manufacture steam generators and other high temperature components in nuclear power plants and thermal power plants.

(4) Environmental technology: In wastewater treatment and exhaust gas treatment systems, N08811 is widely used due to its corrosion resistance.

(5) High temperature components of gas turbines in aviation, naval ships and industrial fields, such as turbine blades, guide vanes, turbine discs, high pressure compressor discs, combustion chambers, etc.

 

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