1. Square Tube Performance Index Analysis - Plasticity
Plasticity refers to the ability of a metal material to undergo plastic deformation (permanent deformation) without breaking under load.
2. Square Tube Performance Index Analysis - Hardness
Hardness is a measure of the degree of hardness and hardness of metallic materials. At present, the most commonly used method for measuring hardness in production is the press-in hardness method. It uses a certain geometric shape of the indenter to press the surface of the tested metal material under a certain load, and the hardness value is determined according to the degree of press-in.
The commonly used methods are Brinell hardness (HB), Rockwell hardness (HRA, HRB, HRC) and Vickers hardness (HV).
3. Square Tube Performance Index Analysis - Fatigue
The strength, plasticity, and hardness discussed above are all indicators of the mechanical properties of the metal under static loading. In fact, many machine parts work under cyclic loading, under which conditions the parts will fatigue.
4. Square Tube Performance Index Analysis - Impact Toughness
The load acting on the machine part at a great speed is called impact load. The ability of the metal to resist damage under the impact load is called impact toughness.
5. Square tube performance index analysis - strength square steel pipe, thick-walled square steel pipe, large-diameter square steel pipe, seamless square steel pipe, low-alloy square steel pipe, 135*135*10 square steel pipe, square pipe for tower crane, Q345B low-alloy square steel pipe, 20# seamless square steel pipe
Strength refers to the resistance of a metallic material to damage (excessive plastic deformation or fracture) under static loading. Because the load has the form of tension, compression, bending, shearing, etc., the strength is also divided into tensile strength, compressive strength, bending strength, shear strength and so on. There is often a certain connection between various strengths, and the tensile strength is generally used as the most basic strength indicator in use.
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