The hardest and most comprehensive metal material is titanium, but I don't think anyone would have to use titanium to make chairs.
I estimate that it is only specially treated stainless steel, the structure is reasonable to bear the weight of 200 today is not a problem.
Metal chair is lighter in weight, and the advantages of small itself, carry very convenient when free, and effortless, also suitable for some fast food restaurants and other public places, but the service life of metal chair less than solid wood dining chair
Strong and durable.
Disadvantages, heavy, if acid rain is easy to be eroded;
Nine out of nine will conduct electricity and harm health.
Our tolix styrl chair is the best choice. It is not only cold, but also designed to drive away the heat. The leather cushion can also ensure the comfort of the seat.
The pure metal material, no matter material or modelling design, are absolutely "cool", the material is already ice-cold, and the chair body design, let the sweat have nowhere to escape.
Advantages, strong and durable, resistant to atmospheric corrosion, it is a very special metal accessories, it is very strong, but the corrosion resistance, is not like the silver will turn black, also won't like copper jewelry easy allergy, not like alloy jewelry because of lead and poisonous, and stainless steel jewelry always keep itself is tonal life at room temperature.
Stainless steel jewelry from inside and outside the same material, and through the artificial sweat test, the characteristics, no corrosion, and resistance to strong acid, strong alkali, not change color, do not fade, not allergic, deformation, hard, bright.
The human body will not have any side effects and harmless green high-end environmental accessories.