1. Different types of weld: flat welding seam can’t be detected by X-ray, but butt weld can. The welding seam form of flat welding flange with neck is fillet weld, while that of butt welding flange with neck is girth weld; flat welding is two fillet girth welds, and butt welding is one butt girth

Stainless steel butt welding elbow is the general name of all kinds of stainless steel pipe connectors. It has the characteristics of convenient equipment, high performance and easy to use. It has been widely used in the construction and installation of various pipelines. So, how to install stainless steel butt welding elbow? Let’s take a look

Pipe flange and its gasket and fastener are collectively referred to as flange joint. 1. Application Flange connection is widely used in engineering design. It is an essential part of pipeline design, pipe fittings, valves, etc. It is also an important part of equipment components. In addition, industrial furnace, heating, drainage, heating and ventilation, automatic

  Why is the national day and the Mid Autumn Festival on the same day in 2020?   Astronomical experts said that the Mid Autumn Festival is a normal calendar phenomenon. It was last seen on October 3, 2009 (leap may). The next “Reunion” of the Mid Autumn Festival and national day will be on

The butt welding ring loose flange is a movable flange, which is generally matched with water supply and drainage accessories. When the manufacturer leaves the factory, there is a flange at both ends of the expansion joint, which is directly connected with the pipeline and equipment in the project with bolts. effect: The purpose of

Because the Carbon steel butt welded fitting is easy to produce cold crack, hot crack and other defects during welding, it is necessary to take some special process measures to weld normally. 1. Welding method All kinds of arc welding methods can be used to weld medium carbon steel. Because medium carbon steel is mostly

September 10 this year is the 36th teachers’ day in China, which is an important festival for respecting teachers and valuing education. Organizing the teachers’ Day celebration in China novel coronavirus pneumonia, 2020, we will focus on the educational system, and thoroughly study and implement Xi Jinping’s new socialist ideology with Chinese characteristics, and continue

High-quality stainless steel flange must meet all aspects of accuracy requirements, only in this way can users be satisfied with the use, then what aspects of accuracy requirements should this product meet? First of all, the size specifications need to meet the accuracy requirements, because there are many specifications of this kind of product, different specifications will

In order to create greater economic value for our industrial production, we need the full use of mechanical products in the process of various industrial production, and when we carry out the transportation of solid liquid gas, we need to use stainless steel flanges to realize the gap connection of pipelines, which gives the method. Lan has

Welded steel pipe, also known as welded pipe, is a steel pipe made of steel plate or strip after curling and forming. Welded steel pipe has the advantages of simple production process, high production efficiency, more varieties and specifications, less equipment investment, but its general strength is lower than seamless steel pipe. Since the 1930s, with the