π-type beam, π steel beam, long π Beam, metal beam, long metal beam manufacturers JSD-WX π long beams are heat-treated with two π steel butt from whence comes its name. π-type beam for coal mine tunnel or roadway roof support with single pillar with the composition of the metal bracket play top beam supporting role. π-type beam is the most commonly used in roadway support roof beams π-type beam parameters: Model: DFB4000-300 Material: 27simn width: 100mm Height: 90mm thickness: 8mm bearing capacity of the beam: 300kN 400KN less processing technology: quenched Quenched length: can be customized according to the width of the roadway needs various length specifications π-type beam main role in coal mine level and gently inclined stope and nose or other larger roof control area, can long span cantilever retaining control top area roof face without pillars supporting the work space, and transformed the favorable conditions to improve the working conditions and the use of new coal mining machinery and bendable transport aircraft in and out. Jining Gast professionally produced π-type beam, steel beam, the transfer of the top beam can be determined according to customer demand for products undergo heat quenched and full compliance with national technical standards, the products are mainly sold to Shandong, Shanxi, Shaanxi, Inner Mongolia, Xinjiang, Guizhou, Sichuan and other major large-scale coal mines, is available from stock, the model is complete, sincerely welcome old and new friends to inquire and order! Jining the Gast Mining Equipment Co., Ltd., for many years engaged in the production of mining equipment and R & D, with the strength to prove the quality, welcome new and old friends came to discuss.