Product News
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Straight seam steel pipe expansion technology
Straight seam steel pipe expansion technology 1. Preliminary rounding stage. The fan-shaped blocks are opened until all the fan-shaped blocks are in contact with the inner wall of the steel tube. At this time, the radius of each point in the steel tube within the step range is almost the same, an...Read more -
Large-diameter steel pipe forming method
Large-diameter steel pipe forming method 1. Hot push system expansion method Pushing and expanding equipment is simple, low-cost, easy to maintain, economical and durable, flexible product specifications change, if you need to prepare large-caliber steel pipes and similar products, only need to a...Read more -
Characteristics of pipeline non-destructive testing
Characteristics of pipeline non-destructive testing 1.The characteristic of non-destructive testing is that it can be tested without damaging the material and structure of the test piece. However, not all items and indicators that need to be tested can be non-destructive testing, and non-destruct...Read more -
Seamless steel pipe and seam steel pipe
The seam steel pipe and seamless steel pipe are divided according to the processing form. The seam steel pipe is generally welded. The seamless steel pipe has two methods of cold drawing and hot rolling. The carbon steel pipe is in terms of material, and the galvanized pipe is the surface of the ...Read more -
How to choose high-quality pipeline anti-corrosion materials?
How to choose high-quality pipeline anti-corrosion materials? 1. Good stability This requires that the material has good anti-aging properties and can maintain stable properties at low temperature, high temperature, or in water. 2. Good resistance to mechanical damage To be able to withstand a ce...Read more -
What are the connection methods of plastic coated steel pipes?
What are the connection methods of plastic coated steel pipes? 1. Threaded connection The automatic threading machine shall be adopted for the threading, and the current national standards shall be implemented. 2. Flange connection One-time installation method: it can measure and draw the single-...Read more
