Optimization of strength and forming behavior of SiCr-alloyed oil-hardened spring steel wire

摘要

Improving the control of the quenching and tempering process parameters can enable manufacturers to use a higher line speed in the tempering stage and save energy costs by use of lower austenizing temperatures. Wire springs must meet ever more rigorous specifications for characteristics such as accuracy of function and form, consistent behavior over time and load-bearing as well as savings on materials and bulk. Cold-shaped helical compression springs have great economic significance, representing annual revenues of some USD900 million in Germany alone.