Ring furnace in the hot-rolled seamless pipe production line plays a role in the tube saw after cutting the qualified length tube from normal temperature (20?)??heated to 1280 ± 5? for the perforating...
For sintering, granulation is quite critical, the common granulation methods are outside rolling coke granulation and layered granulation two schools. The former is based on the fine high-grade...
Pipes used in general households, such as tap water pipes, are basically made of seamless steel pipes. Although the performance is excellent, the nature of the workplace is very bad, and it can not be...
The main cooling bed types of seamless steel pipe production line include single chain cooling bed, double chain cooling bed, new chain cooling bed, step rack type cooling bed and screw type cooling...
A so-called fluid tube appears on the field. It is actually a processed high-frequency welded pipe. The treatment method is to scrape or wear off the original weld with special equipment, and the...
1. Seamless annealing and isothermal annealing of seamless steel pipes, also known as recrystallization annealing, generally referred to as annealing, which is mainly used for casting, forging and...
Quenching is the seamless pipe above the Ms point temperature, at an appropriate rate of cooling to the following Ms slow cooling after, access to excellent organizational performance. Quenching...
Submerged arc welding pipe is now used more and more widely than seamless steel pipe. According to different projects, the standard of steel pipe is different. Generally speaking, steel structure...
Submerged arc welding is also a welding method using an arc as a heat source in the welding process of the SSAW steel pipe. It is covered by a layer of granular meltable flux... Submerged arc welding...
Today we will introduce the skill flow of straight seam steel pipe manufacturing. Take the lsaw steel pipe as an example. If a long radius straight seam pipe is used, if the pipe of the steel billet...
Small diameter seamless pipe before going into service need to go through heat treatment, which quenching the main purpose is to improve the mechanical properties of the workpiece to improve its wear...
The uneven thickness of thick-walled seamless steel pipe is mainly manifested by uneven spiral wall, uneven wall thickness and thick and thin wall thickness of the head and tail.The unevenness of the...
1. Welded steel pipe for low-pressure fluid transportation (GB/T3092-1993) is also called general welded pipe, commonly known as black pipe. It is a welded steel pipe used for conveying general lower...
As a manufacturer of our pipelines, we will naturally come in contact with different users of pipelines. Some of them need bare tubes, and some of them need pipe processing to wear caps and flanges...
The steel pipe extrusion process includes the following production processes? Billet: round billet after peeling, cut length, drilling, machining and cleaning, you can form a hollow tube for the blank...
A worker from a steel pipe company, which is located in China.