U-steel support is a kind of passive support of coal mine support, the tensile strength and the compressive strength is higher, it also has good toughness properties, the support force is higher,
the support strength is higher, can used for many times, widely used in mine tunnel, especially in deep complex tunnel and loose coal seam tunnel.
Application: U-channel steel support is mainly used for the secondary support of mine tunnel and the mine tunnel of the mountain tunnel.
Model: 40u
Material: 20MnK
Specification: single beam, double beam, treble beam, grade beam
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