Low carbon steel is the most common form, and it's very malleable and ductile. Medium carbon steel balances ductility as well as strength for excellent wear resistance. High carbon steel is exceptionally strong, while ultra-high carbon steel can be tempered to even greater hardness but no malleability.
As the percentage of carbon gets larger, steel can become harder and stronger through heat-treating. Carbon steel is usually heated to change the mechanical properties of steel, usually ductility, hardness, strength, and resistance of impact. Increasing the carbon content of carbon steel makes it harder and stronger, but reduces the steel`s ability to be welded, making it more brittle.
Carbon Steel Plate is most often used for structural purposes such as buildings, yet it has the flexibility to be worked into ornate designs. Low carbon steel sheet (wrought iron) is typically used for fences, chain links, gates, and railings. Structural steel (medium carbon steel) is used in cars, refrigerators, washing machines, buildings, and bridges. The steel sheets are normally made up of medium carbon steel.
Steel Plate,Oem Steel Plate,Stainless Steel Plate,​Ppgi Corrugated Steel Plate Shandong Guanzhou Iron and Steel Group Co., Ltd. , https://www.guanzhousteel.com
high efficiency. The production efficiency of vacuum packaging machines has grown from several parts per minute to dozens of pieces, and the production of thermoforming-filling-sealing machines can reach more than 500 pieces/min.
automation. Produced by a Japanese company
The TYP-B series rotary vacuum chamber packaging machine has a multi-station with a high degree of automation. The machine has two turntables for filling and vacuuming, which are mainly used for packaging soft canned foods.
Multifunction. Multi-function on a single machine can easily expand the scope of use. The realization of single-machine multi-function must adopt modular design, and through the transformation and combination of functional modules, it becomes a different type of vacuum packaging machine suitable for different packaging materials, packaging articles and packaging requirements.
production line. When more and more functions are required, concentrating all functions on a single unit makes the structure very complicated and inconvenient to operate and maintain. At this time, several machines with different functions and matching efficiency can be combined into a more complete production line. Such as the French fresh fish vacuum packaging production line.
new technology. In the packaging method, a large number of inflatable packaging is used instead of vacuum packaging, and the research on the three aspects of the inflated body composition and packaging material is closely combined with the research; in the control technology, more computer technology and microelectronic technology are applied.
Vacuum packaging machinery technology development trend
At present, the development trend of international vacuum packaging technology is mainly reflected in the following aspects:
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