We supply ASTM A53 black square pipes with a side width of 30-600mm for a long time. Square pipes are widely used in machinery manufacturing, construction, steel structure engineering, power engineering and other fields.
1.ASTM A53 Square pipe introduction
Square pipe is a light steel tube with a hollow square cross-section, also known as a steel refrigerated bent section. It is a section steel with a square cross-section shape made by hot-rolled or cold-rolled strip or coil as the base material, formed by cold bending and then high-frequency welding. The square pipe has good mechanical properties, good cold and hot processing performance, corrosion resistance and low temperature toughness.
2.ASTM A53 Square pipe classification
| Classification method | Category Name |
| Classified by process | Hot rolled seamless square tube, cold drawn seamless square tube, extruded seamless square tube, welded square tube |
| Classified by material | Plain carbon steel square pipe, low alloy square pipe |
| Classified by section shape | Square square tube, rectangular square tube, special-shaped square tube |
| Classified by surface treatment | Hot-dip galvanized square pipe, oil-coated square pipe, pickled square pipe |
| Classified by purpose | Structural square tube, decorative square tube, construction square tube, mechanical square tube |
| Classification by wall thickness | Super thick-walled square tube, thick-walled square tube and thin-walled square tube |
3.ASTM A53 Square pipe application
Uses of square pipes: construction, machinery manufacturing, shipbuilding, solar power support, steel structure engineering, power engineering, glass curtain walls, automobile chassis, airports, boiler construction, highway railings, bridges, power station equipment, lifting and transportation machinery and other relatively High-load welded structural parts, etc.
4.Cooperation customer
1. We are 30-600mm black square pipe supplier, the company adheres to the customer-centric business philosophy, and has won the trust of customers with high-quality products, thoughtful service, and punctual delivery.
2. The company's ASTM A53 30-600mm black square pipe are exported to Europe, America, Middle East, Africa, Southeast Asia and other countries and regions, and are well received by customers.
