... tubular stand for many applications.Raw materials: stainless steel 201, 304, 316, 321, 409 etc carbon steel Q195, Q235, 10#, 20# etc alu ... .315"-4")Tube thickness: 0.8mm-3mmBend method : Mandrel bend, rotary bend, rolling bendCentral line radius: 1D-upBend radius: to customer ... , medical, leisure, entertaiment,etcKindly send inquiry for more information today! stainless steel 201 tube chair frame