Stainless steel bimetal composite steel bar structure

The utility model discloses a stainless steel bimetal composite steel bar structure which comprises a steel bar column, a plurality of first through holes distributed at equal intervals are formed in the outer wall of the steel bar column, the steel bar column is sleeved with a plurality of positioning installation pieces distributed at equal intervals in a welded mode, and each positioning installation piece comprises two arc pieces movably connected. Positioning seats are symmetrically arranged at the bottom end of the lower arc piece, threaded holes are formed in the surfaces of the two positioning seats, and a screw matched with the threaded hole is arranged on one threaded hole; the steel bar positioning and mounting device has the beneficial effects that the positioning and mounting piece composed of the arc piece, the positioning seat, the threaded hole, the screw, the connecting piece, the through hole II, the mounting convex block and the positioning piece is arranged, so that positioning and fixed c