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Packaging steel strip of two kinds of traditional production process

by:Hongmei     2020-07-17
Packaging steel strip of two kinds of traditional production process. Traditional packaging steel strip production generally has two kinds of process. One is the lead bath isothermal quenching, bainite strengthen treatment; The second is using cold-rolled reinforced, annealing process. The former because of lead pollution to the environment, the state has begun to restrict the use of, which require high quality of raw material and the quality is not easy to stability, the development is restricted.
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