How to choose good material for rolling shutter spring
How to choose rolling shutter spring material
GuangWeiYouLiang`s steel strip for shutter spring is wellknow good quality for this application. We understand that the
flexibility is the key for shutter spring when the door rolling down and rolling up and strip steel can`t be broken when bending.
GuangWei YouLiang, every year, exports hundreds of tons of strip steel worldwide for this use and We have great experience,
knowing how to solve these problems and to avoid this problems. From first rate raw material, cold rolling, quenching and tem
pering process, deburring edges, etc, each production step, is checked carefully in width, thickness, hardness, edge as flexibility.
Spring steel strip (c67s and c75s) is most suitable for shutter spring material.
We guarantee our material for 30,000 recyles up and down operation.