Spring material from what aspects?

Spring material from what aspects? Spring manufacturer to introduce material standard is: * consider function regulation, compressive strength, second is * end only considering the rationality. Carbon spring steel is main use widely in the spring steel, steel class heavy usage. Steel contains 0. 60% ~ 0. 90% of the carbon and 0. 3% ~ 1. 20% of manganese, don't add other alloying elements, the application of low cost relativity. Carbon spring steel wire by the appropriate production and processing or quenched and tempered treatment, can get very high compressive strength, good ductility and good fatigue service life. But low alloy steel hardenability, relaxation resistance and corrosion resistance is poor, the elastic mould of large temperature index ( 10-300 x 6/℃) Work, it is suitable for manufacturing small cross section, the temperature in the low ( 120℃> ) The yellow. Hardware spring steel containing 0. 45% ~ 0. 70% of the carbon and a certain amount of Si, Mn, Cr, V, W and B and other alloying elements. Alloy elements added to improve the spring steel relaxation resistance, increase the ductility of steel, the other significant boost steel hardenability and application temperature, for manufacturing a large cross section, high temperature applications of yellow.
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The group's Quality Systems Manager (QSM) is responsible for ensuring that Dongguan Yongqiang spring hardware Co.,Ltd. has in place systems that guarantee quality throughout the Group.
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