This standard lays down the requirements for materials, dimensions, manufacture, finish, and performance tests for metal folding chairs, encompassing variations with metal sheets, wooden, or canvas seats and backs.
metal folding chairs - Specification
Quick Reference Values
Seat height (nominal)430 mm
Minimum steel tube outer diameter19 mm
Minimum steel tube thickness1.2 mm
Minimum sheet thickness for metal seat/back1.0 mm
Practical Notes
Special attention should be given to the folding mechanism to ensure smooth operation without sharp edges or pinch points that could cause injury.
Anti-corrosive treatment (like phosphating) prior to primer and painting is critical for the durability of the tubular metal frame, especially at the joints.