Acerinox, through its South African factory COLUMBUS, supplies the stainless steel to manufacture 200 wagons to the mining group Río Tinto in Mozambique. The South African company Transnet has designed and manufactured th......Acerinox, through its South African factory COLUMBUS, supplies the stainless steel to manufacture 200 wagons to the mining group Río Tinto in Mozambique. The South African company Transnet has designed and manufactured the wagons that will transport coking coal to the Port of Beira. Each wagon weighs 21.5 tons and has a 71m 3 load carrying capacity. This means that each wagon will be able to carry about 61.5 tons of coal