The ferritic rolling process is a cutting-edge process in the field of hot rolling in the world steel industry. It is popular in some European countries and is still in the research and development stage in China. Since the temperature of the intermediate blank entering the finishing mill is lower than the normal rolling temperature, the rolled steel has soft mechanical properties and low strength, which can meet the special needs of users.
In order to meet the special requirements of ferritic rolling for billet, Benxi Steel has precisely controlled the carbon content of molten steel in the steelmaking process. In the hot rolling process, Bengang technicians have studied domestically. Relevant technical data, taking advantage of the equipment advantages of Benxi Steel's thin slab continuous casting and rolling mill, conducted in-depth research, finally determined the reasonable steel composition design and rolling process, mastered the rolling temperature and finality of ferritic rolling Rolling temperature and coiling temperature.
At present, this new ferritic rolling process independently developed by Benxi Steel has become increasingly sophisticated and mature, and has production conditions.
The scientific name of the PVC material of the inflatable product is polyvinyl chloride, abbreviated as PVC. The inflatable castle is a large inflatable toy for children. The materials generally used in children's Inflatable Toys are high-polymer fiber double-layer weaving and PVC coating. This is a high-strength air-tight cloth or PVC air-tight cloth with a mesh. The thickness of the cloth is generally: 0.45-0.8 mm.
The characteristics of this material are:
1. It has strong tensile force and strong tear resistance.
2. Strong anti-fouling ability, the surface can be kept clean for a long time and easy to clean.
3. Strong anti-fracture ability, the surface is not easy to open glue.
4, and strong anti-corrosion, not easy to oxidize.
5. High temperature and low temperature resistance, can be used at minus 28 degrees and high temperature above 30 degrees.
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