Seamless and welded seams square tubes

Square tubes are divided into seamless and welded seams. Seamless square pipes are formed by extruding seamless round pipes. square tube steel, thick wall square steel pipe, large diameter square steel pipe, seamless square steel pipe, low alloy square steel pipe, 13513510 square steel pipe, square steel pipe for tower crane, Q345B low alloy square steel pipe, 20# seamless square steel pipe.

1.Performance Index Analysis of Square Tube-Plasticity

Plasticity refers to the ability of metal materials to produce plastic deformation (permanent deformation) without damage under load.

2. Performance index analysis of square tube-hardness

Hardness is a measure of the hardness of metal materials. At present, the most commonly used method for measuring hardness in production is the indentation hardness method, which uses an indenter of a certain geometric shape to press into the surface of the metal material to be tested under a certain load, and the hardness value is determined according to the degree of indentation.

3. Performance index analysis of square tube-fatigue

The strength, plasticity, and hardness discussed above are all indicators of the mechanical properties of metals under static load. In fact, many machine parts are working under cyclic loads, under which conditions the parts will fatigue.

4. Performance index analysis of square tube-impact toughness

The load acting on the machine at a very large speed is called impact load, and the ability of metal to resist damage under the action of impact load is called impact toughness.

5. Performance index analysis of square pipe-strength square steel pipe, thick-walled square steel pipe, large diameter square steel pipe, seamless square steel pipe, low alloy square steel pipe, 13513510 square steel pipe, square steel pipe for tower crane, Q345B low alloy square steel pipe, 20# seamless square steel pipe

Square pipes are widely used in construction, machinery manufacturing, steel construction and other projects, in shipbuilding, solar power generation supports, steel structure engineering, power engineering, power plants, agricultural and chemical machinery, glass curtain walls, automobile chassis, airports, boiler construction, highway railings , Housing construction, pressure vessels, petroleum storage tanks, bridges, power station equipment, lifting and transportation machinery and other higher-load welded structural parts are also used in large numbers.

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