Specifications of Spring Steel Strip:
1) Grade: CK45, CK50, CK55, CK67, CK70, CK75, CK85, 65Mn, etc.
2) Thickness: 0.1mm - 3.0mm
3) Width: 3mm - 500mm
4) Hardness: hardened &tempered 45-47HRC
5) Edge Treatment: Round edge, Cutting edge.
6) Surface Treatment: blue, bright, polished, polished blue, bright & blue
7)the regular size as below:
Thickness: 1.2-1.9mm
Width: 40mm,45mm,50mm,55mm,60mm
Applications of Spring Steel Strip:
Roller shutters have many applications, including doors for vans, garages, kitchens, schools, prisons and warehouses.