350km/h high-speed rail is widely used in key domestic routes, making positive contributions to the construction of the national "belt and road" and the implementation of the strategy of high-speed rail "going out". weathering steel for high-speed railway carriages has high corrosion resistance, and its good molding performance and low-temperature toughness can ensure the stable operation of vehicles in harsh environments.
| application subdivision | product name | product category | representative brand | perform standard | perform standard |
|---|---|---|---|---|---|
| heavy rail | hot rails for railway | section steel | u71mn、u75v、u71mng、u75vg | gb/t 2585、tb/t 2344、tb/t 3276、tb/t 2344.1 | 50kg/m、60kg/m、75kg/m、60n、50、60、75 |
| rail for guard wheel | section steel | u71mn-hl、u75v-hl | q/hg 075 | 50kg/m、60kg/m、75kg/m、60n | |
| european standard rail | section steel | r260、r260mn、r350ht、r350lht | en13674.1 | 54e1、60e1、60e2 | |
| american standard rail | section steel | ss、ihhs | arema | 115re | |
| british standard rail | section steel | 900a | uic860 | bs100a | |
| light rail | hot rolled light rail | section steel | 55q | q/tb 108-2023 | 18kg/m、22kg/m、24kg/m、30kg/m |
| spring steel | spring steel for railway use | round steel | 38si7、40simnvbe、54sicr6、54sicrv6、56si7、56sicr7、60crmnb、60si2cr、60si2cra、60si2crv、60si2crva、60si2crvat | gb/t 1222-2016、technical agreement | φ13-φ270 |
| steel for railway rolling stock structural components | atmospheric corrosion resistant steel for railway vehicles | hot rolled plate | q345nqr2、q450nqr1、q550nqr1、q350ewr1、q450ewr1 | tb/t 1979、q/tb 213 | (1.2-25.4)*(900-1900) (1.2-16.0) *(900-1630) |
| cold rolled plate | q310nql2、q350ewl1 | tb/t 1979 | (0.5-2.5) *(900-1600) | ||
| steel for photovoltaic equipment | steel for photovoltaic equipment | galvanizing plate | c700hl | technical agreement | (2.0-6.0) *(900-1630) |
the products are widely used in many key national economy areas, such as aerospace, marine engineering, the power engineerings of the three gorges project and power transmission from west to east, ect.; important traffic trunks of the capital airport, beijing-shanghai express railway, guangzhou-shenzhen expressway ect., bridges of the hong kong - zhuhai - macao bridge and san francisco bay bridge, beijing the olympic "bird's nest", the expo china pavilion, west-east ng transmission project，, west three lines, ect.; large machineries of shield machine and other large machineries; and home appliances of air conditioners, refrigerators, etc.