Production method of spring steel wire
Release time:
2023/04/04
Spring steel wire: in coil bar size or Cold drawing in the middle specification Lead-bath quenching Then proceed with surface treatment and wire drawing.
Galvanized spring steel wire: Typically hot-dip galvanized at the finished size or Electroplating Some also use wire rod that has been pickled, hot-dipped, and then cold-drawn to the specified dimensions.
Oil-quenched spring steel wire: Carbon steel or alloy steel can be used as required. After surface treatment and cold drawing to the finished dimensions, the wire is then quenched. Tempering , this process in Car suspension Steel wire is more commonly used for valve springs and coil springs, though ordinary springs can certainly be used as well.
Surface treatment
Generally adopted Pickling Phosphating , remove Iron oxide scale , to form Phosphating film ; A small number also employ mechanical methods for processing. The purpose of all these methods is to meet the requirements of cold drawing. Drawing wire The requirements of the process ensure a smooth surface. For applications with high demands... Fatigue life The spring steel wire, such as valve spring steel wire, should... wire rod Perform skin-pass rolling to reduce surface defects. If the steel plant can... Billet steel Performing grinding on the surface also helps reduce defects. Tangshan Xiaojie Wire Products Co., Ltd.
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