Products News
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Causes of problems caused by improper heat treatment of seamless steel pipes
Improper heat treatment of seamless steel pipes is likely to cause a series of production problems, resulting in greatly reduced product quality and turning into waste products. Avoiding mistakes that are easy to make during heat treatment is saving money. What problems should we pay attention to...Read more -
Large diameter welded steel pipes production process
What is the production process of large diameter welded steel pipe? Next let’s take a look 1: Conduct physical and chemical inspection of raw materials such as strip steel coils, welding wires, and fluxes. 2: The head-to-tail butt joint of the strip steel adopts single-wire or double-wire s...Read more -
Comparison of advantages and disadvantages of spiral pipe and straight seam pipe weld
The weld seam of the spiral steel pipe is longer than that of the straight seam steel pipe. If the pipe length is L, the weld seam length is L/cos(θ). However, most of the defects of steel pipes are concentrated in the weld seam and the heat-affected zone. The long weld seam means that the probab...Read more -
Wall Thickness Accuracy and Straightening Method of Straight Seam Steel Pipe
The control of the wall thickness of the straight seam steel pipe is a difficult point in the production of steel pipes. At present, the methods of straight seam steel pipe manufacturers in the production of wall thickness accuracy generally include: 1. Tube billet heating: the heating should be ...Read more -
Forming method and connection type of large-diameter steel pipe
The forming method of large-diameter steel pipe: 1. Hot push expansion method: Push expansion equipment is simple, low in cost, convenient in maintenance, economical and durable, and flexible in product specification change. If you need to prepare large-diameter steel pipes and other similar prod...Read more -
Precautions for the use of stainless steel flanges
Although stainless steel flanges have unique advantages in materials, even the best things need to be used carefully so that they can be used for a longer period. What precautions should be known for the specific use of stainless steel flanges? 1. To prevent inter-eye corrosion due to the heating...Read more