NPR anchor cable material and production method thereof
A production method and anchor cable technology, which is applied in the installation of anchor rods, earthwork drilling, mining equipment, etc., can solve the problems of not being able to adapt to the instantaneous large deformation of the surrounding rock, and losing the load-bearing protection capacity.
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[0030] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.
[0031] see figure 1 with figure 2 As shown, according to an embodiment of the present invention, a kind of NPR anchor cable material is provided, and it is characterized in that the component and weight percentage content of described NPR anchor cable material are:
[0032] C: 0.4~0.8%, Mn: 15~22%, Al: 1-5%, NPR crystal: 0~1%, Ni: 0~0.3%, Si: 0~0.3%, S: 0~0.001%, P: 0 to 0.001%, and the balance is Fe and unavoidable impurity elements.
[0033] The main application field of the NPR anchor cable material of the present application is oriented to the prestressed anchor cable field. In the actual service process, the material will exert a large prestress, and high-strength steel materials (strength greater than 1000MPa) need special special forces in high prestress service. Pay attenti...
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