... carrester is also according to the type of the steel rail, both of them must be consistent.4. The material: ... (1). Fundation: channel beam(2). The rail of the carrester: Q235, 55Q5. Usage: used to stop the ... mining flat bed car, material car, wheel sets, mining steel rail, fishplate, rail nuts, rail cutting machine, rail drilling machine, rail bender, rail track jack, and etc.