Products News
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Introduction of de embroidery technology for submerged arc steel pipe
In the process of anti-corrosion construction of oil and gas pipelines, the surface treatment of large-diameter submerged arc steel pipes is a key factor in determining the service life of pipeline anticorrosion, and it is the premise of whether the anti-corrosion layer can be firmly combined wit...Read more -
Features of oil slotted pipe
1. The oil slotted pipe is processed by J55 or N80 oil casing body, which has high strength and is not easy to deform 2. The verticality of the cutting edge is good, the cutting edge is smooth, no burr, and the cutting seam is even. 3. Large flow area, 27/8″ slotted pipe with 300 slots/1.5m...Read more -
Three connection methods of spiral steel pipe
There are three main types of connection methods for spiral steel pipes. 1. Flange connection: general flange connection speed is fast, construction is convenient, and tools are simple, but it cannot meet the requirements of most projects in terms of safety and sealing. Generally, pipelines with ...Read more -
How to operate thick-walled steel pipes
1. The angle steel and channel steel should be stacked in the open air, that is, the mouth should face down, and the I-beam should be placed vertically. The I-channel surface of the steel should not face upward to avoid water accumulation and rust. 2. There should be a corresponding channel betwe...Read more -
Process flow of steel elbow
Seamless steel elbow: steel elbow is a kind of pipe fitting used in the turning of pipelines. Among all the pipe fittings used in the piping system, the proportion is about 80%. Usually, different forming processes are selected for steel elbows of different materials or wall thicknesses. The comm...Read more -
What should be paid attention to when installing the butt welding steel elbow
Before the official installation of the butt welding steel elbow, each steel elbow pipe joint must be measured and numbered, and the pipe joint group with the smallest difference in pipe diameter should be selected for the butt joint. When splicing pipes on the ground, use 14×14cm sleepers under ...Read more