Steel Grating

Characteristics and production methods of pressure-welded gratings

Various types of steel gratings are placed on the ground.

According to the surface shape, pressure-welded gratings are divided into tooth-shaped pressure-welded steel gratings, flat pressure-welded steel gratings, and composite pressure-welded steel gratings. Its material is generally used as q235b. There are two general production methods: machine pressure welding and manual production, which can meet the load requirements under different conditions and make its performance better than other products with the same purpose. The load-bearing flat steel of the standard pressure-welded grating is usually 3mm and 5mm thick flat steel, and I-shaped flat steel and toothed flat steel can also be used. The width of the load-bearing flat steel is from 20mm to 75mm. 1. Machine pressure welding: Using a high-voltage resistance pressure welding machine, the manipulator automatically places the horizontal bar on the evenly arranged flat steel, and press-welds the horizontal bar into the flat steel through strong electric welding power and hydraulic pressure, so that the welding can be obtained. High-quality steel grating that is strong, extremely stable and strong. 2. Hand-made: first punch the flat steel, and then put the crossbar into the hole for spot welding. There will be a gap between the crossbar and the flat steel, but each contact point can be welded to achieve the flat steel and twisted steel. It is equivalent to melting connection, so the welding will be stronger and the strength will be improved, but the appearance is not as good as pressure welding.

Application of standard pressure-welded grating: 1. As a new type of engineering material, pressure-welded grating is mainly used in metallurgy, energy, shipbuilding, municipal, petrochemical, transportation, building materials, national defense and other fields. Platforms, trestle bridges, bridges, highway guardrails, trench covers, fences, gates and other facilities. The market prospect is very broad. 2. Standard pressure-welded grating is suitable for alloys, building materials, power stations, boilers, shipbuilding, petrochemical, chemical and general industrial plants, municipal construction and other industries, with ventilation and light transmission, anti-skid, strong bearing capacity, beautiful and durable, easy to clean, Easy installation and so on.

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