Phosphating process 1. Anti-rust phosphating process The early application of the phosphating process is rust prevention, steel parts by phosphating treatment to form a layer of […]
Welded Steel Pipe Executive Standards The meaning of Welded Steel Pipes Welded Steel Piped;Galvanized welded steel pipes for low pressure fluid transportation (GB/T3091-1993) is also called […]
National Standard for Spiral Steel Pipe Spiral steel pipes characteristics: Spiral steel pipes characteristics: straight seam welded pipe production process is simple, high production efficiency, low […]
Spiral steel pipe applications Spiral steel pipe is mainly used in tap water engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, urban construction, is […]
Hard anodic oxidation of aluminum at low temperature Application of hard anodic of aluminium Various aluminium and aluminium alloy fittings for the furniture industry, automotive brake […]
Round steel bending construction process Classification of round steel Round steel is classified as hot rolled, forged and cold drawn. The specifications of hot rolled Round […]