Performance characteristics of low-temperature seamless steel pipes for nuclear power

The nuclear power field has very high requirements for pipelines. Traditional pipelines have many disadvantages, such as being susceptible to high temperature, high pressure and other environmental influences. However, the use of low-temperature seamless steel pipes can effectively avoid these problems.

Performance characteristics that low-temperature seamless steel pipes for nuclear power should meet

1) Mechanical properties: Low-temperature seamless steel pipes should have sufficient strength, toughness and heat resistance to ensure the stability and integrity of the pipeline system.

2) Chemical properties: Low-temperature seamless steel pipes should have the ability to resist local corrosion, general corrosion, high-temperature oxidation and high-temperature creep; they should be insensitive to intergranular corrosion and stress corrosion, and have good compatibility with coolants and fuels.

3) Physical properties: Low-temperature seamless steel pipe has high thermal conductivity, small thermal expansion coefficient and high melting point.

4) Irradiation performance: Low-temperature seamless steel pipes are insensitive to radiation, have little radiation swelling and performance changes caused by radiation, small induced radioactivity produced by radiation, stable organizational structure, and as little impurities and gas content as possible, especially Phosphorus, sulfur content and participating elements must be strictly controlled.

5) Process performance: The process performance of smelting, casting, forging, rolling, heat treatment, non-destructive testing in the manufacturing of low-temperature seamless steel pipes, as well as butt welding, bending, expansion joints and other processes during installation should be good.

6) Economy: Low-temperature seamless steel pipes should be economical with convenient sources, simple production processes, low costs, and rich experience in use.

This article will introduce a low-temperature seamless steel pipe for nuclear power with ASTM standard. The length of the steel pipe is about 12 meters and has the characteristics of low temperature resistance. Let’s take a closer look at it.

First of all, the ASTM standard is the technical standard for steel pipe materials formulated by the American Society for Testing and Materials. Steel pipes that meet this standard have better guarantees in terms of quality and performance. Therefore, choosing low-temperature seamless steel pipes of this standard has higher safety and reliability.

Secondly, the length of the steel pipe is about 12 meters, which is very convenient for operation and maintenance in nuclear power plants.

Most importantly, the steel pipe is low-temperature resistant and can withstand the influence of low-temperature environments without breaking or deforming, thus ensuring the safety and stability of the pipeline. This kind of steel pipe can reduce the workload of transportation, installation and maintenance when used, and is not prone to damage, corrosion and other problems after long-term use.

Low-temperature seamless steel pipes for nuclear power and their production methods are excellent nuclear power materials. They are not only suitable in length and comply with ASTM standards, but also have good low-temperature resistance, which can effectively ensure the safe and stable operation of the pipeline. It is hoped that the application of this material in the field of nuclear power will receive more attention and promotion.

Article source: https://article-realm.com/article/Business/52613-Performance-characteristics-of-low-temperature-seamless-steel-pipes-for-nuclear-power.html