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Products 
steel for mine
Steel roadway support for miners, used for underground coal mine tunnels, mine roadway support for mining I-beams and U
Miners steel, also known as mining I-beam, is a specialized profile for mine roadway support, which complies with the YB/T24-1986 standard. Its material is mostly made of high-strength steel such as 20MnK and Q275, with main models of 9 #, 11 #, and 12 #, suitable for strong support scenarios in underground tunnels and tunnels of coal mines
