Metal-framed chair "Viennese"

The chair consists of an all-welded frame.
The frame of the chair consists of U-shaped contoured back part with back legs, front legs, upper and lower ring, and back filler.
The coating of the frame parts is powder paint, which protects the products
Overall dimensions of the chair:
Width - 350 mm
Depth - 350 mm.
Seat width - 360 mm
Seat depth - 360 mm
Height from floor to seat - 430 mm
Chair height including backrest - 900 mm
Frame - round steel tube
Tube diameter (backrest and front legs) - 22 mm
Tube wall thickness - 1.2 mm
Pipe diameter (top and bottom ring) - 12 mm
Colouring of the frame - polyester powder paint
Chair seat material - chipboard
Thickness - 16 mm
Filler - polyurethane foam
Filler thickness - 20 mm
Seat upholstery - Artificial leather
Chair backrest shape - curved, ergonomic
Chair backrest construction
Inside the backrest ergonomic insert, made of metal bars.
Diameter of the tube is 6 mm.