Stainless steel furnace bar

The utility model relates to a stainless steel grate bar which comprises a mounting plate, a grate bar bottom plate, a strip-shaped plate, a positioning ball, a fixing plate and a clamping plate, the mounting plate and the grate bar bottom plate are hollow fence plates, and the peripheral surface of the outer portion of the mounting plate is mounted in a hearth. The two opposite side surfaces of the interior of the mounting plate are fixedly connected with at least two strip-shaped plates correspondingly, the upper surface of each strip-shaped plate is connected with a positioning ball through a supporting rod, a grate bottom plate is arranged in the mounting plate, and the two opposite side surfaces of the exterior of the grate bottom plate are fixedly connected with at least two fixing plates correspondingly; two clamping plates are symmetrically and fixedly connected to the surface of the bottom of the fixing plate, arc-shaped grooves are formed in the surfaces of the opposite sides of the bottoms of the c