T/XYZL 01-2020 Steel indoor door

Scope

Main Technical Content: Products are classified according to the direction of the door leaf opening and closing— - Clockwise direction, closing from inside to outside, code: 5.0; - Clockwise direction, closing from outside to inside, code: 5.1; - Counterclockwise direction, closing from inside to outside, code: 6.0; - Counterclockwise direction, closing from outside to inside, code: 6.1. 4 Specifications and Models 4.1 Specifications shall correspond to those defined in GB/T 5824. Special specifications can be produced according to user requirements. T/XYZL01-2020 4.2 Models SNM — — Design number (represented by A, B, C, etc.) Door leaf specifications (width × height × thickness), units in mm Door opening and closing direction code Interior doors, such as SNM — 5.0 — 880 × 2050 × 50 — A, indicating clockwise direction, closing from inside to outside, with door leaf specifications of 880 × 2050 × 50 and being the first-designed interior door. 5 Technical Requirements 5.1 Surface Quality 5.1.1 The surface of steel interior doors shall be free from obvious dents and mechanical damage; the paint film shall be uniform and consistent in color, with no obvious defects such as sagging, peeling, or exposed primer. The electroplated color shall be uniform, and there shall be no chipping of the coating. 5.1.2 The adhesion of the paint film shall not be lower than Grade III as specified in GB/T 1720—1979. 5.1.3 The impact resistance of the paint film shall comply with the requirements of GB/T 1732, with a minimum impact resistance of 50 cm. 5.2 Door Leaf and Door Frame 5.2.1 The steel materials selected for steel interior doors shall comply with the relevant provisions of GB/T 11253. The thickness of the steel used for door frames (sets) shall not be less than 0.7 mm, and the thickness of the steel used for door leaves shall not be less than 0.3 mm. 5.2.2 Dimensional deviations and geometric tolerances 5.2.2.1 The thickness of th

Development Information

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