1. Fixed-length spiral steel pipes do not need to be bundled. 2. If the ends of the spiral steel pipe are threaded, they should be protected by thread protectors. Apply lubricant or anti-rust agent to...
1. The infrastructure cost is low. Compared with railway transportation, the infrastructure cost can be saved by three points, while the transportation volume is twice that of the railway. 2. The construction...
Steel pipeline corrosion is mainly divided into two categories: internal corrosion and external corrosion. External corrosion is mainly caused by corrosion caused by the connection between the pipeline...
Stainless steel pipes are safe, reliable, hygienic, environmentally friendly, and economical. The thin-walled pipes and the successful development of new, reliable, simple, and convenient connection methods...
With the development of the construction industry, the application of welded pipe machinery in construction projects is becoming more and more extensive. As an important industrial equipment, the procurement...
Feature 1: Higher accuracy Precision carbon steel pipes have high processing accuracy and can be used to manufacture high-precision mechanical parts. This is because the production and processing of precision...
Seamless tubes (SMLS) are cut into sections by steel mills, and then heated in an annular furnace perforated-sizing straightening cooling- cutting- packed to become qualified finished products, which...
The stress on the API 5CT oil casing in the oil well: to ensure that the casing running into the well is continuous, not cracked or deformed, the casing is required to have a certain strength, enough...
There are six main processing methods for seamless pipes (SMLS): 1. Forging method: Use a swage forging machine to stretch the end or part of the pipe to reduce the outer diameter. Commonly used swage...
Spiral welded pipe (ssaw): It is made by rlling low-carbon carbon structural steel or low aloy structural steel strip into a tube blank according to a certain helical angle (called forming angle), and...
Manufacturing principle and application of seamless pipe (SMLS): 1. The production principle of seamless pipe The production principle of the seamless pipe is to process the steel billet into a tubular...
Steel pipe products are indispensable and important products in today's society, and they are widely used in various industries. 1. Qualification of steel pipe products The qualification of steel...
Conveying pipelines: Welded steel pipes are widely used to transport oil, natural gas, gas, water and other fluids, especially in urban gas and water supply systems. Structural pipe: Welded steel pipes...
Spiral pipe (SSAW) factory attaches great importance to the loss of spiral pipe. From the steel plate to the finished product rate of the spiral pipe, the loss rate of the spiral pipe manufacturer during...
Spiral welded pipe (SSAW pipe) is a kind of spiral seam steel pipe made of strip steel coil as raw material, which is welded by automatic double-wire double-sided submerged arc welding process and extruded...
Hot-dip galvanized seamless steel pipe has good corrosion resistance and strength, and is widely used in industrial and civil fields. The following are its common application scenarios: 1. Construction...
1. Application of carbon steel tube in desalinated water treatment Desalinated water treatment is one of the essential processes in modern production, and various pipes have emerged as the times require....
1. Chemical composition Requirements are put forward for the content of harmful chemical elements As, Sn, Sb, Bi, Pb and gas N, H, O, etc. In order to improve the uniformity of the chemical composition...
1. Before molding work Raw materials that strip, wire, flux. We must go through rigorous physical and chemical testing before it is put. Strip head and tail docking, single or double wiresubmerged arc...
Stainless steels bond around a key material property: excellent corrosion resistance, attributable to high chromium content (> 10.5% by mass) and low carbon content (<1.2% by mass). Beyond the corrosion...