A500 Carbon Steel Square Tubing

A500 Carbon Steel Square Tubing according to the production process: hot rolled seamless square tube, cold drawn seamless square tube, squeeze seamless square tube, welded square tube.

The welded square pipe is divided into
1, according to the process: arc welding square tube, resistance welding square tube (high frequency, low frequency), gas welding square tube, furnace welding square tube

2, according to the weld - straight seam welding square pipe, spiral welding square pipe.

The material classification
A500 Carbon Steel Square Tubing according to the material: plain carbon steel square tube, low alloy square tube.

1, general carbon steel is divided into: Q195, Q215, Q235, SS400, 20# steel, 45# steel and so on.

2, low alloy steel is divided into: Q345, 16Mn, Q390, ST52-3, etc.

Production standard classification
Square tube according to production standards: gb square tube, Japanese standard square tube, British system square tube, American standard square tube, European standard square tube, non-standard square tube.

Section shape classification
Square pipes are classified according to section shape:

1, simple section of square tube: square tube, rectangular square tube.

2, complex section square tube: flower shaped square tube, open square tube, corrugated square tube, shaped square tube.

Surface treatment classification
Square tube according to the surface treatment: hot dip galvanized square tube, electric galvanized square tube, oil coated square tube, pickling square tube.

Use classification
Square tubes are classified according to their uses: square tubes for decoration, square tubes for machine tools, square tubes for mechanical industry, square tubes for chemical industry, square tubes for steel structures, square tubes for shipbuilding, square tubes for automobiles, square tubes for steel beams and columns, square tubes for special purposes.

Classification of wall thickness
Square rectangular tube according to the wall thickness classification: ultra thick wall square rectangular tube, thick wall square rectangular tube and thin wall square rectangular tube.