News
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How to prevent corrosion when welding galvanized steel pipes
Anti-corrosion of galvanized steel pipe welding: After surface treatment, hot spray zinc. If galvanizing is not possible on-site, you can follow the on-site anti-corrosion method: brush epoxy zinc-rich primer, epoxy micaceous iron intermediate paint, and polyurethane topcoat. The thickness refers...Read more -
What are the main technical features of industrial spiral steel pipes
During the forming process of spiral steel pipes, the steel plate is uniformly deformed, the residual stress is small, and there are no scratches on the surface. The processed spiral steel pipe has greater flexibility in the diameter and wall thickness range, especially when producing high-grade ...Read more -
What are the methods for expanding the outer diameter of the 20# oil-cracking steel pipe
What are the methods for expanding the outer diameter of the 20# oil-cracking steel pipe? What are the advantages? With the development of industrial technology and the petroleum and chemical industries, the demand for large-diameter seamless steel pipes has increased year by year. Although large...Read more -
Steel pipe price list
Product price list (price unit: RMB) American standard: API 5L, ASTM A106/A53 German standard: DIN 1629 Material: 20#, Gr.B, ST44 N.D. O.D. (MM) SCH40 SCH80 W.T. (MM) Weight (KG/M) Price (Yuan/ton) W.T. (MM) Weight (KG/M) Price (Yuan/ton) 1/4...Read more -
Problems in the regulations and selection standards for thick-walled steel pipes in engineering
Regulations for thick-walled steel pipes in engineering: corresponding regulations and various regulations for the actual selection and use of thick-walled pipe fittings. When thick-walled steel pipes and thick-walled pipe fittings are selected or used, they must first follow the relevant regulat...Read more -
API 5CT CASING STOCK FOR SALE
For Immediate Sale In order to give back to our customers, we have sold some stock pipes at very competitive prices, all the pipes below are high quality new pipes and can be delivered immediately. 1 – Packing: With safety package. 2 - All pipes are ins...Read more