Recently the line 1780 in Hot-rolled Strip Plant of Angang Steel Co., Ltd. has one-time successfully developed ultra-thin and wide railway weathering steel 09CuPCrNi-A with thickness of 2.0 mm and width of 1500 mm. The various measuring accuracy of the product is good. Ansteel has broken through the bottleneck in ultra-thin and wide railway weathering steel, having received orders with full specification.