Name Description : Electric Painting Rectangular Steel Pipe/ Square Steel Tube (Hollow Section) Size Range (mm) : 10 x 20 to 70 x 140 Thickness Range: 0.55mm - 4.0mm Standard : - Japan International Standard: JIS G3444, JIS G3466 - American Society for Testing and Material: ASTM A500, A53 - Australia Standard: AS1163-2009