It is mainly used for mining tunnel support ,with the features of high presure long fit strong structure. chinacoal05
Name of Products:U-Beam mining support steel
Spec.: 25U, 29U, 36U
Standard:GB/QB
Materials: 20MnK, Q275
Length: 8,9,10,12m
Posts are manufactured conforming to FHWA and ATSSA standard. Steel material conforms to ASTM A499, Grade 60. All kinds of specification including 1.12lbs/ft, 2.00lbs/ft, 2.03lbs/ft, 2.08lbs/ft, 2.10lbs/ft, 2.25lbs/ft, 2.50lbs/ft and more. 3/8\'\' or 7/16\'\' diameter holes on ...
Posts are manufactured conforming to FHWA and ATSSA standard. Steel material conforms to ASTM A1011, Grade 50. Yield strength after cold-forming is 60,000 psi minimum. Posts are manufactured from hot-dipped galvanized steel conforming to ASTM A653, G90 or G140. The posts are ...
Hydroman® Submersible Acid Mine Stainless Steel Slurry Pump are suitable to be used for pumping sand. Sand is pumped mixed with water up to 70% of solids by weight. The mixture of liquid and particles of sand and gravel is pumped in a procedure often used as a convenient way of ...