9#πSteel Product Introduction
π steel structure is a face and two legs, of which the surface is flanked by jagged lace. In use of the supporting beam.π steel plays a very important role. π steel is mainly used for production of π-beams, metal roof beams, hinged roof beams and other mining support beam, in the coal mine (mine) tunnel (tunnel) to plays supporting role .π steel because of its cross-section like the letter \"π\" character named.
Length：9.6 M 9.85M