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Square tube properties

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1 Square tube performance index - plastic

Plasticity refers to the metal material in the loading, the plastic deformation (permanent deformation) without the capacity to destroy.

 

2 Square tube performance index analysis - hardness

Steel pipe hardness is a pointer to measure the hardness of the metal material. Determination of hardness in the production method is the most commonly used is the indentation hardness method, which is under a certain load with a certain geometry of the indenter pressed into the metal surface to be tested, to determine the hardness value according to the degree of being pressed into. Common methods are Brinell hardness (HB), Rockwell hardness (HRA, HRB, HRC) and Vickers hardness (HV) method.

 

3 Square tube performance index - fatigue

Discussed earlier, strength, ductility, hardness, are the mechanical properties of metals under static loading pointer. In fact, many machine parts working under cyclic loading, under such conditions, parts will fatigue.

 

4 Square tube performance index analysis - the impact toughness

Known as the impact load in the load on the parts to the great speed of the role of metal called impact toughness under impact loading, the ability to resist damage.

 

5 Square tube performance index analysis - strength

Intensity refers to the metal material to resist damage (excessive plastic deformation or fracture) performance in the static load effect. As the load mode of action of the form of tension, compression, bending, shear, so the strength is also divided into the tensile strength, compressive strength, flexural strength, shear strength. Various intensities of certain frequent use is generally more to the tensile strength as the basic strength of the pointer.


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