The surface quenching and tempering heat treatment of straight seam welded steel pipe is usually carried out by induction heating or flame heating. The main technical parameters are surface hardness, local hardness, and effective hardened layer depth. Hardness detection can be carried out by Vickers

Thick-walled straight seam steel pipes are made by rolling long strips of steel strips of certain specifications into round tubes through high-frequency welding units and welding them into straight seams. The shape of the steel pipe can be round, square, or special-shaped, depending on the sizing ro

First, thick-walled steel pipes require daily maintenance during use: Thick-walled steel pipes are widely used steel varieties. It directly affects economic benefits and personnel lives. Countries around the world attach great importance to the inspection of thick-walled steel pipes and use various

1. Ultrasonic detection: When ultrasonic waves are propagated in the material being tested, the acoustic characteristics of the material and the changes in the internal structure have a certain impact on the propagation of ultrasonic waves. By detecting the degree and situation of the influence of u

Spiral welded steel pipe and straight seam welded steel pipe have different technical characteristics and production processes, and have many differences and distinctions in production. They have different functions and uses, and the value they show in use is also different. The comparison of techni

A galvanized steel pipe is generally called a cold-dip steel pipe. It adopts an electroplating process. Only the outer wall of the steel pipe is galvanized, and the inner wall of the steel pipe is not galvanized. Hot-dip galvanized steel pipe adopts the hot-dip galvanizing process, and both the inne

Seamless carbon steel pipes are a commonly used steel product that is widely used in many industries. Understanding the density of seamless carbon steel pipes is essential for the correct selection and use of steel pipes. First, what is the density of seamless carbon steel pipes? Density is the

359 inner diameter stainless steel pipe is a common steel product with many unique characteristics and is widely used in various fields. This article will introduce the characteristics, advantages, and applications of inner diameter 359 stainless steel pipes in industry and construction. 1. Chara

Stainless steel high-pressure steel pipes are a type of pipe widely used in the industrial field. They are resistant to high pressure and corrosion and are widely used in the petroleum, chemical, aerospace, and other industries. When using stainless steel high-pressure steel pipes, it is very import

Among various building materials, steel pipes undoubtedly occupy an important position. There are many types of steel pipes, among which seamless stainless steel pipes are gradually gaining popularity due to their unique advantages. So, what are the benefits of seamless stainless steel pipes? Fir

Cr15 precision steel pipe is a high-quality steel pipe material. Due to its excellent mechanical properties, corrosion resistance, and processing performance, it is widely used in various fields. First, the characteristics of Cr15 precision steel pipe 1. High strength and toughness: Cr15 precisi

In the steel industry, hot-dip galvanized seamless steel pipe is widely used in many fields due to its excellent anti-corrosion performance and stable structural characteristics. The material selection of hot-dip galvanized seamless steel pipe not only determines its service life and safety but also

Carbon steel pipe 602 is one of the products that has attracted much attention in the steel industry. Carbon steel pipe 602, a carbon steel pipe with excellent performance, is mainly composed of carbon and iron and contains a small amount of alloy elements. Its specific composition and performance d

Q235 thick-walled steel pipe is a common and important building material, which is widely used in various engineering projects. It has many advantages, such as high strength, corrosion resistance, and long service life, so it is favored by the construction industry. The following will explore the ch

Cold-rolled seamless steel pipe, especially the model with a diameter of 300mm, occupies an irreplaceable position in modern industry with its high precision and excellent performance. This type of steel pipe has attracted much attention due to its unique production process and wide application fiel

First, will stainless steel pipe fittings rust? Stainless steel pipe fittings are not easy to rust, but stainless steel pipe fittings will also rust. The fact that stainless steel pipe fittings are not easy to rust has a lot to do with the composition of stainless steel. In addition to iron, stainl

First, can anti-corrosion steel pipes be exposed to rain? The anti-corrosion layer of anti-corrosion steel pipes is waterproof, but excessive rainwater infiltration will have a certain impact on the anti-corrosion layer of anti-corrosion steel pipes. In addition, the better the material and quality

First, will the galvanized steel pipes rust? When the steel pipe is exposed to the air, it will rust when it reacts with oxygen or is corroded by oxygen elements in the water to become oxides. The galvanized steel pipe is galvanized to form a galvanized layer to isolate the air, so it is more corro