The utility model discloses a strutting arrangement is assembled to steel pipe stiffening ring, including the bearing structure body, studdle and side support piece, end screw thread connection on the studdle lower extreme and the bearing structure body, last being equipped with of studdle is used for the upper portion lock nut of its locking on the bearing structure body, side support piece fixed mounting is on bearing structure body upper portion, side support piece's both sides all are equipped with the adjusting bolt who is used for with the contact of steel pipe outer wall, the bearing structure body sets up subaerial or fix on mounted stiffening ring, the studdle upper end contacts with waiting the stiffening ring of fixing. The utility model discloses, supports the stiffening ring when assembling temporarily, because the main weight that the bottom has this strutting arrangement to bear the stiffening ring, therefore safe and reliable, behind four points of stiffening ring longitudinal symmetry spot welding, just can remove hoist and mount and collude, descend assembling of one stiffening ring, realized the pipelining, production efficiency improves, has avoided all the other operating personnel's latency, has improved greatly and has assembled efficiency.