Tinplate Sheet/Coil

Short Description:

Tinplate is made from the cold-rolled sheet which is electroplated with tin. Tin coatings’ function is corrosion resistance to steel substrates and preservation of fast and canned foods. Tinplate is widely used in the canning, can ends, larger containers and a range of closed parts packaging industry. Different thickness of tinplate coating can be produced to meet specific requirements.

Standard: ASTM B545, BS EN 10202

Material: MR/SPCC/L/IF

Thickness: 0.12mm – 0.50mm

Width: 600mm - 1550mm

Temper: T1-T5

Surface: Finish, bright, stone, matte, silver

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Overview of Tin Plating

Considered non-toxic and non-carcinogenic, Tin plating is a typical material used in engineering, communications and consumer products. Not to mention, this material

offers an affordable finish, electric conductivity, and excellent corrosion protection.

Techmetals utilizes Tin for specific metal plating projects that require many of the attributes listed above. Both bright Tin and matte (solderable) finishes are available for plating. The former being preferred for electrical contact solutions where soldering is not necessary.

It is worth noting that matte Tin plating does have a limited life when used in soldering. Techmetals can improve the solderability life span through preparation of the substrate and properly specifying the deposit. Our tin process also reduces whisker (pest) growth in cold temperatures.

Structure of Electrolytic Tinning Plate Description

Electrolytic Tin Plate Coils and Sheets for Foods Metal Packaging, is one thin steel sheet with a coating of tin applied by electrolytic deposition. Tinplate made by this process is essentially a sandwich in which the central core is strip steel. This core is cleaned in a pickling solution and then fed through tanks containing electrolyte, where tin is deposited on both sides. As the strip passes between high-frequency electric induction coils, it is heated so that the tin coating melts and flows to form a lustrous coat.

Main Features of the Electrolytic Tinning Plate

Appearance – Electrolytic Tin Plate is characterized by its beautiful metallic luster. Products with various kinds of surface roughness are produced by selecting the surface finish of the substrate steel sheet.
● Paintability and printability – Electrolytic Tin Plates have excellent paintability and printability. Printing is beautifully finished using various lacquers and inks.
● Formability and strength – Electrolytic Tin Plates have got very good formability and strength. By selecting a proper temper grade, appropriate formability is obtained for different applications as well as the required strength after forming.
● Corrosion resistance – Tinplate has got good corrosion resistance. By selecting a proper coating weight, appropriate corrosion resistance is obtained against container contents. Coated items should meet 24 hour 5 % salt spray requirement.
● Solderability and weldability – Electrolytic Tin Plates can be joined both by soldering or welding. These properties of tinplate are used for making various types of cans.
● Hygienic – Tin coating provides good and non toxic barrier properties to protect food products from impurities, bacteria, moisture, light and odours.
● Safe – Tinplate being low weight and high strength makes food cans easy to ship and transport.
● Eco friendly – Tinplate offers 100 % recyclability.
● Tin is not good for low temperature applications since it changes structure and loses adhesion when exposed to temperatures below – 40 deg C.

Electrolytic Tinning Plate Specification

Standard	ISO 11949 -1995, GB/T2520-2000, JIS G3303, ASTM A623, BS EN 10202
Material	MR, SPCC
Thickness	0.15mm - 0.50mm
Width	600mm -1150mm
Temper	T1-T5
Annealing	BA & CA
Weight	6-10 tons/coil 1~1.7 tons/sheets bundle
Oil	DOS
Surface	Finish, bright, stone, matte, silver

Product application

● The characteristics of tinplate;
● Safety: Tin is non-toxic, not absorbed by human body, can be used for food and beverage packaging;
● Appearance: tinplate surface has silver-white metallic luster, and can be printed and coated;
● Corrosion resistance: Tin is not active element, not easy to rust corrosion, has a good protection to the substrate;
● Weldability: Tin has good weldability;
● Environmental protection: tinplate products are easy to recycle;
● Workability: Tin is malleable, steel substrate provides good strength and deformation.

FAQ of Electrolytic Tinning Plate

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