π Steel Beam | send Liang | send Leung 
 Liang, π, π-type long steel beam, DFB metal roof beams, the π-type top beam of π-beam of Jining π-type beam, the DFB metal roof beams, π-type top beam metal roof beams 
 7 # of π beam and of various types of monomers, metal pillars with metal stents for the use of coal in the level and ease are inclined coal mining face and nose, or other large roof control area. It long span cantilever retaining control of the top roof face have a larger working space without pillars supporting transformation of favorable conditions to improve working conditions and new mining machinery and flexible transport aircraft cashier. 
 π-type long beam parameters: 
 Model: DFB4000,-300 
 Material: 27simn 
 Width: 100mm 
 Height: 90mm 
 Thickness: 8mm 
 Beam carrying capacity: 300kN above 400KN 
 Processing: quenching quenching and tempering 
 Length: according to the width of the roadway need to customize a variety of length specifications 

 1, the carrying capacity of the beam span 700mm, beam central concentrated load; 
 2, the weight with a weight of 0.7kg / m weld; 
 Model specifications for each difference of 200mm an additional specification 
 According to actual customer demand processing system to do all kinds of non-standard long metal beam, hinged roof beams, and all products have been burned heating modulation processing, production, processing, quality and quantity in strict accordance with national standards. Shandong coal abundant supply: various models of hinged roof beams, long beams, and other support products and accessories; products are sold in over 20 provinces, municipalities and autonomous regions, shelf, complete models, the quality is forever, the service limit, sincerely welcome new and old friends to inquire, order!