Industry News
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Steel structure maintenance and upkeep
1. Regular rust and anti-corrosion protection Generally, the designed service life of steel structures is 50-70 years. During the use of steel structures, the chance of being damaged due to overload is very small. Most steel structure damage is caused by corrosion that reduces the mechanical and ...Read more -
How to clean straight seam steel pipes
The straight seam steel pipe structure can adopt a round pipe structure or a rectangular pipe structure according to specific conditions such as the stress conditions of the components, supply conditions, manufacturing and processing conditions, and cost, or the two types of steel pipes can be mi...Read more -
Packaging and storage of API 5CT casing
According to the American Petroleum Institute standard APISPEC5CT 1988 1st edition, casing steel grades are H-40, J-55, K-55, N-80, C-75, L-80, C-90, C-95, P- There are 10 types of 110 and Q-125. The casing should be supplied with threads and couplings, or in any of the following pipe end forms: ...Read more -
Production method of boiler steel pipe
Boiler steel pipe is a type of seamless steel pipe. The manufacturing method is the same as that of seamless pipes, but there are strict requirements for the type of steel used in manufacturing steel pipes. According to the operating temperature, it is divided into two types: general boiler steel...Read more -
Spiral steel pipe production process
(1) The raw materials are steel strip coil, welding wire, and flux. They must undergo strict physical and chemical inspections before being put into use. (2) For the head-to-tail butt joint of the steel strip, single-wire or double-wire submerged arc welding is used. After being rolled into a spi...Read more -
What is the difference between straight seam steel pipe and spiral steel pipes
First: welding process In terms of the welding process, the welding methods of spiral steel pipes and straight seam steel pipes are the same, but straight seam steel pipes will inevitably have many T-shaped welds, so the probability of welding defects is also greatly increased, and the welding re...Read more