The hot-rolled pickling oil-coated plate in the automobile industry is a new steel required by the automobile industry. Its good surface quality, thickness tolerance and processing performance can replace the body covering parts and auto parts produced by cold-rolled plate in the past, thus reducing the cost of raw materials by about 10%. With the development of economy, the production of automobiles has also increased significantly, and the use of plates has continued to increase. The original design of parts and components of many models in the domestic automobile industry requires the use of hot-rolled pickling plates,

Pickling rolls such as: car sub-frames, wheel spokes, front and rear axle assemblies, truck box plates, protective nets, automobile beams and spare parts, etc., due to the insufficient supply of domestic hot-rolled pickling plates, automobile factories generally use cold plates or Hot plate instead or pickling by itself.

The manufacturing industry of agricultural machinery, motorcycles and agricultural vehicles has developed rapidly, among which the agricultural vehicle industry in Shandong market has developed rapidly. The overall demand for cold and hot plates in the whole year is about 400000 tons. Many agricultural vehicle manufacturers are willing to replace cold plates with pickling plates in order to reduce costs. Among them, the parts that can "replace cold with heat" are mainly cab inner plates and wind shields, and the required specifications are mainly 0.8-1.5 × 1000-1250mm. The wheels of motorcycles can also use pickling plates. Motorcycle wheels generally use 2.0mm cold plates. Due to the high cost and difficulty in purchasing thick cold plates, some manufacturers once switched to hot-rolled plates, but hot-rolled plates have poor surface quality and are difficult to meet the needs of manufacturers. The use of pickling board can meet the user's cost and quality requirements.

The hot-rolled pickling plate in the machinery industry is mainly used in textile machinery, mining machinery, fans and some general machinery. For example, the compressor housing and upper and lower covers of household refrigerators and air conditioners, the pressure vessel and muffler of power compressors, and the base of screw air compressors. Among them, domestic refrigerators and air-conditioning compressors use the most pickling plates, and have higher requirements on the deep drawing performance of pickling plates. The materials are mainly SPHC, SPHD, SPHE and SAPH370, with a thickness range of 1.0-4.5mm, and the required specification is 2.0-3.5mm. Relevant data show that the hot rolled pickling plates required for refrigerator compressors and air-conditioning compressors in the first half of the year are 80000 tons and 135000 tons respectively. The fan industry is now mainly using cold-rolled plate and hot-rolled plate, hot-rolled pickling plate can replace the cold plate for the manufacture of blowers, fan impeller, shell, flange, muffler, base, platform, etc.

Other industry applications are mainly bicycle parts, all kinds of welded pipes, electrical cabinets, highway guardrails, supermarket shelves, warehouse shelves, fences, water heater liner, barrels, iron ladders and various shapes of stamping parts. With the continuous development of the economy, zero processing throughout the industry, processing plants such as bamboo shoots after a spring rain rapid development, the demand for plate greatly increased, but also increased the potential demand for hot rolled pickling plate.