Knowledge

15Apr, 2021

Longitudinal electric welded steel pipe has high production efficiency, safet...
In the working process of the straight seam electric welded steel pipe, the production process is simple, the production efficiency is high, the cost is low, and the development is
14Apr, 2021

Attention to the construction of steel pipes
The fastener-type steel tube scaffolding on the market has a mixed variety and uneven quality.
13Apr, 2021

Anti-corrosion requirements of longitudinal welded steel pipes
The processed components and products should be inspected and qualified before surface treatment.
12Apr, 2021

Welding matters of longitudinal welded steel pipe
Welding matters of longitudinally welded steel pipes are classified according to manufacturing methods.
11Apr, 2021

Longitudinal welded pipe forming process
Plate detection: After the steel plate used to manufacture large-diameter submerged arc welded straight seam steel pipe enters the production line, the whole plate is ultrasonicall
10Apr, 2021

What are the three production methods of seamless steel pipes?
Seamless steel pipes are widely used in many mechanical engineering fields, so how are they produced?
09Apr, 2021

Cold-rolled nitriding treatment of seamless steel pipe
The cold rolling of seamless steel pipes transforms martensite into seamless steel pipes before the rolled pieces enter the finish rolling extruder.
08Apr, 2021

What are the storage requirements of galvanized steel pipes?
Galvanized steel pipe is actually galvanized steel pipe. This is mainly because it increases the corrosion resistance of the steel pipe, so it is evenly coated with a layer of zinc
07Apr, 2021

No need to paint for hot-dip galvanized steel pipe
Generally, galvanized pipes do not need to be painted, and silver paint is generally used for painting.
06Apr, 2021

The difference between hot dip galvanized steel pipe and cold galvanized stee...
There is a big difference between cold galvanized pipe and hot-dip galvanized pipe. The zinc in hot-dip galvanizing is obtained from 450 degrees Celsius to 480 degrees Celsius
05Apr, 2021

What should be paid attention to when welding galvanized pipes?
Galvanized steel pipes with a pipe diameter greater than 100mm should be connected by flanges or ferrule-type special pipe fittings.
04Apr, 2021

Manufacturing steps of large diameter spiral steel pipe
Raw materials are strip steel coils, welding wires, and fluxes. They must pass strict physical and chemical inspections before investing.

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