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What are the several types of cold storage steel?Which one is more suitable for cold storage?

What are the several types of cold storage steel?Which one is more suitable for cold storage?

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  • Time of issue:2021-08-25
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(Summary description)Shelf with reliable quality, convenient disassembly, disassembly, beautiful appearance, safe operation, convenient maintenance, widely used in electrical appliances, shipping, electronics, machinery, automobile, supermarket, logistics, dock, food, clothing, bags, shoes and hats, hardware machinery, petrochemical, culture and education, fire, wine display, pharmacies and other industries.With a senior technical team, sales and installation team, it is a professional team with more than ten years of experience in shelves. .For more shelf product details, please visit the Dali Alibaba Store: https://shop39784qw0895r8.1688.com/?spm=a262jn.11251430.0.0.1f2d5597t08iYY or call us at the 24-hour service hotline on 020-82002201 / 18102581498

What are the several types of cold storage steel?Which one is more suitable for cold storage?

(Summary description)Shelf with reliable quality, convenient disassembly, disassembly, beautiful appearance, safe operation, convenient maintenance, widely used in electrical appliances, shipping, electronics, machinery, automobile, supermarket, logistics, dock, food, clothing, bags, shoes and hats, hardware machinery, petrochemical, culture and education, fire, wine display, pharmacies and other industries.With a senior technical team, sales and installation team, it is a professional team with more than ten years of experience in shelves. .For more shelf product details, please visit the Dali Alibaba Store: https://shop39784qw0895r8.1688.com/?spm=a262jn.11251430.0.0.1f2d5597t08iYY or call us at the 24-hour service hotline on 020-82002201 / 18102581498

  • Categories:News
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  • Origin:
  • Time of issue:2021-08-25
  • Views:0
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In the cold storage shelf design, the first thing to distinguish the type of cold storage and its temperature.So what are the types of cold storage and the types of steel?Which one is more suitable for cold storage?
There are generally several types of cold storage
1, high temperature cold storage, needs to control the product temperature between 0℃ and 4℃ or 6℃, more storage types of products are: vegetables, fruits, fresh milk, fresh meat, etc.
2, low-temperature cold storage, the temperature needs to be controlled at-18℃ or-20℃, more storage types of products are: frozen meat, frozen food, such as frozen dumplings, frozen pastry, ice cream, etc.In practice cases, the common-18℃ cold storage is more.

 


2. Compared with normal temperature library, shelf application in cold storage, generally consider the following aspects of the design link:
1, chooses which steel type of shelf
In a low temperature environment for steel application will generally have detailed requirements, its materials should have good low temperature toughness and elongation, to prevent brittle damage.
The ordinary carbon structural steel Q235, commonly used in 2, shelves has different grades such as Q235A, Q235B, Q235C, Q235D, Q235E, mainly due to the different temperature of the impact.
A refers to do not do impact, B is above 20℃, C is above 0℃, D is above-20℃, E is above-40℃, A to E is different, is the different impact temperature in their respective performance.
Ordinary carbon structural steel A/B/C/D also represents the different content of trace elements. Due to the different content and components of trace elements, A/B/C/D is getting higher and higher, and its performance is getting better and better in low temperature.

 


In normal cases, Q235D will be used as the main material of cold storage shelves.Fastener fasteners, usually in low temperature environment using high nickel chromium (e. g. type Cr18Ni9) alloy steel or non-ferrous metal (such. copper, aluminum) data, they generally do not appear low temperature fragility.
The thermal shrinkage coefficient of steel material is 1.2 × 10-5 / ℃; the thermal shrinkage coefficient of concrete is about 0.7 × 10-5 / ℃, which can be effectively connected when the temperature difference is within 40℃.

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