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Discussion on the Characteristics of Nickel Alloy Seamless Pipe


Nickel alloy is the most widely used and strongest type […]

Nickel alloy is the most widely used and strongest type of superalloy. Nickel alloy seamless pipe and tube are seamless pipes made of a nickel alloy.

The composition of nickel-based alloys is mainly Ni-Cr-Fe, and other elements are added such as Cu, Si, Mn, Al, Ti, Nb, W, C, and so on. In terms of processing, forging, rolling, etc. are often used. For alloys with poor thermoplasticity, they are even used to roll after extrusion or use mild steel sheathing direct extrusion technology. The general purpose of deformation is to break the casting structure and optimize the microstructure.

Nickel alloy seamless pipe has the following characteristics:

1. Superexcellent performance: it can maintain high strength at high temperature, and has excellent creep resistance, fatigue resistance and other mechanical properties, as well as oxidation and corrosion resistance, and good plasticity and weldability.

2. Super complex alloy addition: More than ten alloy elements are often added to nickel-based alloys to improve corrosion resistance in different environments, and solid solution strengthening or precipitation strengthening.

3. The working environment is extremely harsh: Nickel-based alloys are widely used in a variety of harsh operating conditions, such as high temperature and high-pressure parts of aerospace flight engine gas chambers, structural parts for nuclear energy, petroleum, marine industries, and corrosion-resistant pipelines.

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