DR on tinplate refers to “Double Reduced”. It is a type of tinplate that has undergone an additional reduction process compared to Single Reduced (SR) tinplate.
The double reduction process involves two cold rolling steps, resulting in a thinner and stronger steel sheet. This process results in a stiffer, thinner material, which can be beneficial for certain metal packaging applications, such as beverage cans or food containers that require greater strength and lighter weight.
Double reduction tinplate is valued for its higher strength and lower thickness, which can lead to savings in material usage and transportation costs. However, it can be more difficult to work with in certain manufacturing processes due to its stiffness and lower malleability compared to single reduction tinplate.
Tinplate manufacturing process
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DOUBLE REDUCED TINPLATE
