When we inspect the quality of square and rectangular tube blanks, we can start from the following ten aspects:(1) There shall be no cracks, scars, inclusions, folds, cracks, or ears on the surface of the square tube blank.(2) The low-magnification structural inspection of the square and rectangular
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Color-coated coils are widely used in many places nowadays. This product has many applications and can be seen everywhere. Let us give a detailed introduction to the classification of color-coated coils.First and foremost, the basic concept of color-coated coils, also known as black steel coils, is
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The square tube's general length is 4m to 12m, mostly 6m and 12m.Square tube classification:1. Section/section shape: square tube (square tube), rectangular square tube (rectangular tube);2. Surface treatment process: black square tube, hot-dip galvanized square tube, galvanized strip square tub
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1. Literally, Z-shaped steel purlins and C-shaped steel purlins are differentZ-shaped steel is a type of steel that looks like a "Z". As the name suggests, C-shaped steel is a type of steel that looks like a "C". Although they are all automatically processed and formed, their app
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