tin free steel sheet for crown caps

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Product Description:

Temper

Hardness Guarantee (HR30T)HR30T

Applications

T2

52±3

Rings and plugs, pie pans, closures, shallow drawn and specialized can parts.

T2.5

55±3

Battery can bodies, small can ends and bodies.

T3

57±3

Can ends and bodies, large diameter closures, crown caps.

T4

61±3

Can ends and bodies, crown caps and small screw closures.

T5

65±3

Can ends and bodies for non corrosive products.

DR-8

73 ± 3

small diameter round can bodies and ends


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Q:Why do tin tins rust easily when they are opened?
Tin iron loses electrons and gets an electron redox reaction to accelerate the corrosion process
Q:How to test the tightness of tin metal cans?
The empty tank which has been cleaned can be dried by 35, and the pressure or pressure leak test shall be carried out according to the equipment condition of each unit. B.1 pressure leak test, the empty tank will be carefully injected into the water until eight or nine into full, the rubber ring will be placed in the appropriate plexiglass plate at the opening side of the roll, so that it can be sealed. Start the vacuum pump, turn off the bleeder valve, hold down the cover by hand, control the pumping, and make the vacuum gauge rise from 0Pa to 6.8X10 PA (510mmHg) for more than 1min, and keep the vacuum above 1min.
Q:Tinned iron and iron matte tin in difference
While in tinplate iron or iron matte silver, the surface is sandy, so people often referred to as silver iron, its price is a tin material price is more expensive, generally can usually used without printing packing, for printed cans is usually to is sandy, it is generally. Iron printing, matte iron tensile and hardness of tin iron generally not good, some specifications of tinplate is not suitable for stretching relatively large.
Q:How can tinplate be rustproof? Products must not be oil
RP014C-23A thin layer quick drying antirust oil has strong salt fog resistance and acid fast fog performance, which can meet the requirements of severe marine transportation rust prevention. RP014C-23A thin layer fast drying rust proof oil meets the environmental requirements of the export market, such as the EU ROHS directive.
Q:Can you tell me how to deal with the recycling of tinplate?
General tinplate packaging waste, as long as the rust is not serious, can be converted into hardware products, to achieve the best use of materials. The consumption of tinplate in our country is relatively large (600 thousand tons / year), and 125 tons of tin packing waste can be recovered 1 tons of tin.
Q:Who knows the process of tinplate production?
Cold rolling: the hot rolled strip passes through the pickling process and enters the cold rolling process. The strip is plastically deformed during the work roll, and the thickness is about 2mm.2mm from about 0. In cold rolling, in order to reduce the friction between the strip and the work roll and take away a large amount of heat produced by the plastic deformation, the cold rolling lubricant and coolant should be sprayed onto the strip. A reversible mill with single stand is adopted. In order to keep the shape of the roller effectively, the temperature control of the cooling liquid is more important. Range of production: 0.14mm-0.5mm.Slitting: the required width of slitting material after cold rolling. Range of production: 265mm-835mmSkim: in the cold rolling process in rolling oil cooling after tin plate surface adhesion of oil and other foreign matter, such as do not wash directly by annealing the oil incomplete combustion of carbonaceous residue will stain in the strip, for the production of tinplate can meet the quality requirements. Therefore, the tin plate must be cleaned by electrolysis before removing the grease. The common method of cleaning tin plate is to degrease and degrease the degreasing liquid.
Q:Should vacuum filling be required for tinplate meat filling?
Mainly depends on your production process needs
Q:Advantages and disadvantages of tinplate packaging
Because of these properties, so can provide a besides the heat, completely isolated from the closed system of environmental factors, avoid color food because of light, oxygen, moisture and deterioration, nor because of aroma through and become weak or affected by environmental pollution through the smell and taste, stability is better than that of other packaging materials of food storage. Vitamin C save the highest rate, nutrient retention is the best. International environmental management standards will be implemented soon based on ISO-14000, has the advantages of low pollution, tin recycling, resource characteristics, in the future packaging applications, will have a broader space for development.
Q:Is it necessary for the two cold rolling in the process of tinplate production, such as tempering and cold rolling (also called flatness)?
This is not the standard terms, generally refers to the 2 cold rolling coil after cold rolled hardness increased after heat treatment after recrystallization to obtain greater reduction.
Q:How can recycled tin cans be recycled?
The broken material is separated by the air whirling sorting system, and the metal and nonmetal are separated from each other. Moreover, the whole system is equipped with a dust removing device to minimize the damage caused by dust pollution in the process of production.Tin tins, crushing machines, equipment and maintenance costs are low: equipment design is reasonable, well made, extending the service life of equipment, reducing the use and maintenance costs of equipment.

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