What materials are used in the construction of this folding chair?

The chair features a sturdy 19-gauge steel frame along with support braces in the front and back, and two tack welded leg braces.

Questions & Answers: NPS 910 900 Series All-Steel Folding Chair - Supports Up to 250 lb - 17.75" Seat Height - Black Seat, Black Back, Black Base - 4/Carton

The NPS 910 900 Series All-Steel Folding Chair supports up to 250 lb.

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NPS 910 900 Series All-Steel Folding Chair - Supports Up to 250 lb - 17.75" Seat Height - Black Seat, Black Back, Black Base - 4/Carton