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Main properties of seamless square tubeThe first performance to talk about is plasticity, for the seamless square tube, the metal material can produce plasticity under the action of load, resulting in deformation, this deformation refers to a permanent deformation, generally will not be damaged by external force.Secondly, let's talk about the hardness of the seamless square tube, you know, the hardness index of the steel tube material is also an indicator to measure the hardness of a certain metal material to a certain extent, and the hardness of the seamless square tube belongs to the hig

In the daily steel procurement, the most annoying annoyance is nothing more than the purchase of inferior seamless steel pipes, thus affecting product quality. How to identify inferior seamless steel pipe?

Do you know the characteristics of H-Beam steel?H-Beam steel is a widely used profile in today's steel structure buildings. The surface of H-Beam steel has no inclination, and the upper and lower surfaces are parallel. The section characteristics of H-Beam steel are obviously better than those of traditional I-beams, channel steel and Angle steel.

1. HL surfaceThe HL surface is processed by grinding the stainless steel surface into a continuous filamentous surface. The HL surface is also commonly known as the "drawing" surface, or the "filament" surface. HL surface is the most widely used surface. Common HL processing equipment on the market is divided into two types: dry grinding and oil grinding. Dry grinding HL uses a set of sand rollers (2 to 4) to grind the stainless steel surface to form continuous longitudinal lines.

Compared with 304 stainless steel plate, the corrosion resistance of 201 stainless steel plate is relatively weak, and it is not recommended to be used in the ecological environment that is often wet and cold, and it is okay to use in the design and decoration industry that is relatively low temperature and dry areas and the quality demand is not high, and 304 stainless steel plate has good corrosion resistance and can often be used in the humid provinces or the southeast coast.