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Upper limit of associated elements in high-quality steel strapping
by：Hongmei
2021-03-15
Upper limit of associated elements in high-quality steel strapping
The higher the purity of the steel, the better its performance and the longer its service life. If the impurity content in steel exceeds a certain level, the steel will undergo qualitative changes. Therefore, various special-purpose parts have specific upper limits for impurity elements in steel. standard.
The influence of impurity elements on its quality and performance
Impurity elements have an absolute influence on the performance of steel. For example, the oxygen content in bearing steel has an obvious influence on its fatigue life. As the oxygen content increases, the fatigue life decreases linearly.
The lower the nitrogen and phosphorus content in steel, the better the mechanical properties of the steel. In order to produce recrystallized steel with higher elongation, the content of phosphorus and sulfur in the steel must be reduced.
The higher the purity of the steel, the better its performance and the longer its service life. If the impurity content in steel exceeds a certain level, the steel will undergo qualitative changes. Therefore, various special-purpose parts have specific upper limits for impurity elements in steel. standard.
The influence of impurity elements on its quality and performance
Impurity elements have an absolute influence on the performance of steel. For example, the oxygen content in bearing steel has an obvious influence on its fatigue life. As the oxygen content increases, the fatigue life decreases linearly.
The lower the nitrogen and phosphorus content in steel, the better the mechanical properties of the steel. In order to produce recrystallized steel with higher elongation, the content of phosphorus and sulfur in the steel must be reduced.
