... steel sheet 2) Thickness of the steel sheet: a) For door leaf: 0.6 -1.0mm b) For door frame: 1.2 - 2.0mm 3 ... ) Thickness of door leaf: 50 - 70mm4) Surface finish: powder coating and ... ) Standard size: a) Door opening size (H x W): 2,050 x 860mm, 2,050 x 900mm, 2,050 x 950mm, 2,050 x 960mm ...