Specification of Tin Plate Coating Sheet For Tuna Cans （Seafood Cans）MR Grade：
Thickness | 0.18~0.23mm |
Width | 500~1000mm |
Material | MR SPCC |
Tin Coating | 1.1/1.1, 2.8/2.8/,5.6/5.6 |
Temper | T2~T4 |
Coil Weight | 3~10 MT |
Oiling | DOS |
Surface Finish | Bright, Stone, Silver, Matt |
Annealing | CA, BA |
Packing | Wrapped completely with an inner cover of plasticor water proof papers with corners pertected |
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Tinplate Coating
Mechanical properties of tin plate coating sheet：
The mechanical properties of tin plate coating sheet mainly refer to the mechanical properties of the steel substrate, including mechanical properties (tempering) and forming properties (cup burst value). The tempering degree is the hardness. The comprehensive mechanical properties of tin plate are generally described by tempering degrees. The tempering degree of tin plate is expressed by the surface Rockwell hardness value HR30T, and the symbol is formed by T plus a number. Different national standards have different expression methods for hardness. Table 2 lists the hardness expression methods and comparison of hardness ranges. Cupping value is mainly used to evaluate the plasticity and ductility of tin plate.
Table 2 : Comparison of hardness expression method and hardness range
Code | Chineses | Japaness | American | Europen | International |
GB/T2520-2000 | JIS G3303-2002 | ASTM | DIN EN | ISO | |
T-2 | TH52+SE | T-2 | T-2(T53) | T52 | TH52+SE |
T-2.5 | TH55+SE | T-2.5 | TH55+SE | ||
T-3 | TH57+SE | T-3 | T-3(T57) | T57 | TH57+SE |
T-3.5 | |||||
T-4 | TH61+SE | T-4 | T-4(T61) | T61 | TH61+SE |
Steel substrate composition of tin plate coating sheet：
As Chinese tinplate companies mostly use Japanese tinplate, the Japanese standard JIS for steel substrate steel grades is now introduced. The standard does not specify the chemical composition of the steel type of the steel substrate, but provides three representative steel types: MR type, L type and D type, see Table 3.
Table 3 Performance of three representative steel types of steel substrate：
steel types | Performance |
MR type | It has a low content of residual elements and good corrosion resistance, and is usually used for general purposes such as containers. |
L type | The content of copper, nickel, chromium, molybdenum and other residual elements is extremely small, which is suitable for food containers with better corrosion resistance. |
D type | Aluminum deoxidation full static steel is suitable for those who are prone to luder's line during deep drawing or processing. |
Our serives：
1. Global marketing strategy: home sales will account for about 65% of the output and foreign sales for 35%.
2. Senior experts on tin plate will provide professional support.
3. Free tinplate samples will be supplied
4. Color: based on customers' requirments (if you have pictures, can send to me)
5. We have the latest detection equipments and our own specialist laboratories
Our advantage:
1). Our product quality is strictly guaranteed!
2). We can provide best service!
3). Our price is competitive!
4). We have more than 10,000 tons in stock so that can
Arrange production schedule immediately for customers.
5). We can do good payment terms.
