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Manual PP&PET strapping tool

High quality steel straps of associated elements in the upper limit

by:Hongmei     2020-07-03
The higher the purity of the steel, and its performance is good, service life is longer, impurity content in the steel above a certain level, the steel qualitative change will happen, so all kinds of special purpose component of impurity elements in steel cap have specific standards. Impurity elements on the quality and performance of the influence of impurity elements has absolute influence the performance of steel, such as oxygen in bearing steel on its fatigue life, obviously, with the increase of oxygen content, the fatigue life is plummeting. Nitrogen in steel, low phosphorus content, the mechanical properties of steel, the better, for the production of stretching rate higher recrystallization steel, must reduce the phosphorus in steel, the content of sulfur.
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