Knowledge

What is the impact of metal elements in the production of spiral tubes

1. Tungsten can improve the redness and thermal strength of the spiral steel pipe, and can improve the wear resistance of the spiral steel pipe. 2. Silicon; it can improve the hard

How to transport fluid spiral steel pipes how to achieve energy saving

The conveying fluid pipe seized the seasonal changes with decreased temperatures in late autumn, and took a reasonable start -stop cooling tower to run the fan and the work measure

Quality resolution of bridge spiral steel pipes

The common standards of spiral steel pipes are generally divided into multiple standards. Generally, low -voltage fluid conveyor uses spiral seam high -frequency welding steel pipe

Classification of welding steel pipes

According to the welding method, it can be divided into arc welded pipes, high -frequency or low -frequency resistance welded pipes, gas welding pipes, furnace welding pipes, and B

Introduction to welding steel pipes

With the rapid development of high -quality steel rolling production and the advancement of welding and inspection technology, the quality of welds has been continuously improved,

Introduction to welding steel pipes

The welded steel pipe is also called a welded pipe. It is a steel pipe made of steel plate or steel belt and welded after curling.Welding steel pipe production technology is simple

Knowledge of the pipe diameter of the spiral tube

Generally speaking, the diameter of the spiral steel tube can be divided into outer diameter, inner diameter, and nominal diameter. The outer diameter of the pipe of the pipe is th

Galvanized pipe classification and process knowledge

Nowadays, hot -dip galvanized steel pipes are common types of fire management, and they have fully exerted irreplaceable effects in the fire safety industry. Why can't the hot

The reason why hot-dip galvanized pipes are mostly used in fire protection

How to detect the quality of the spiral steel pipe

1. On the surface, judge, that is, inspection in appearance. The appearance inspection of the welding joint is a simple and widely used inspection method. It is an important part o

What are the precautions for welding of galvanized pipes?

Measures to ensure welding quality include: 1. Human factors are the focus of welding control of gas -galvanized pipes. Due to the lack of necessary post -welding control methods,

Hot dip galvanized steel welding

As long as the welding materials, welding surfaces, welding current, welding speed, welding methods are appropriate, and galvanized steel can also be welded. Generally, the welding