Material: SWRH82B Size: 4.0mm, 4.8mm, 5.0mm, 6.0mm, 7.0mm, 8.0mm to 10.0mm Type: Plain surface, spiral ribbed, indented Tensile strength: 1470MPa-1770MPa Relaxation: â?¤2.5% Elongation: â?¥3.5% Coil weight: 800-1300kg per coil Coil dimension: inside dia. 1700mm; Outside Dia. 2200mm Packing: Each coil is fully wrapped with anti-rust plastic & PP woven sheet.