Металл Железо Сталь Запросы

GI Sheet a. Physical properties: 1. Thickness: (0.38~0.45) mm 2. Weight of roll: ≤ 5000 kg 3. Width of roll: 900-915 mm (GI Sheet must be supplied as roll) 4. Thickness of Zinc coating ≥ 0.015 mm (each side of GI Sheet) 5. Weight of Zinc coating ≥ 0.0225 gm per sq cm 6. Weight:Sheet unit weight according to size and coating 7. The surface of the sheet/roll is smooth, clean and free from all spotsand should have crystallized mild steel- checkered special galvanized layer b. Chemical composition & Mechanical properties: 1. Carbon: 0.15 % Maximum 2. UTS :27~52 kg/mm2 3. Elongation: ≥ 18% 4. Bending Test with standard: ≥ 6 times bending at 90 degree angle. 5. Peeling Test: No peeling at repeated 180 degree bending