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The Difference Between Hot Rolled Steel Pipe And Cold Rolled Steel Pipe and Welded Steel Pipe
Hot rolled steel pipes are a type of steel pipe product that offers unique advantages. By refining the grain structure of the ingot, it can destroy the casting organization and eliminate microstructure defects, resulting in improved mechanical properties. Additionally, the market offers a variety...Read more -
Embroidery removal technology of submerged arc steel pipe
1. Cleaning Use solvents and emulsions to clean the surface of the steel to remove oil, grease, dust, smoothing agent and similar organic matter, but it cannot remove the rust, oxide scale, welding flux, etc. on the surface of the steel, so it is only used as an auxiliary in anti-corrosion homewo...Read more -
Basic requirements for packaging and transportation of seamless and welded pipes
Basic requirements for packaging and transportation of seamless pipes and welded pipes: 1. General requirements 1.1 The packaging should be able to prevent seamless pipes and welded steel pipes from loosening, deformation and damage during normal handling, transportation and storage. 1.2 If the p...Read more -
Several stages of mechanical expansion process of large diameter steel pipe
The steel plate is first pressed into a U shape in the forming die, and then pressed into an O shape, and then the inner and outer submerged arc welding is carried out. After welding, the diameter is usually expanded at the end of the full length, which is called the UOE welded pipe, and the one ...Read more -
5 ways to remove rust from carbon steel tubes
Rust removal of carbon steel tubes (cs tube) is an important step in ensuring the safe operation and service life of pipelines. The following are 5 commonly used rust removal methods for carbon steel tubes: 1. Manual rust removal Manual rust removal uses hand tools (such as wire brushes, shovels,...Read more -
Quality requirements for external corrosion protection of steel pipes
1. The rust removal of the surface of the steel pipe should reach the sa2.5 standard of gb8923-88, showing the natural color of the metal, without visible grease, dirt, rust, and other attachments. 2. The anti-corrosion layer should be cured within 24 hours, with uniform thickness, compactness, n...Read more