Albina Co., Inc., was lucky enough to be the bender/roller for a beautiful spiral staircase that graces the lobby of one of the major tech companies headquartered in San Jose, California. Albina bent the following materials for the project:
Tube Steel 3" X 3" X .375" WALL A500 GR B Channel C15 X 40# A572-50 3/8" THICK X 24" WIDE CORTEN PLATE ¼" THICK X 77¾" WIDE CORTEN PLATE ¼" THICK X 29½" WIDE CORTEN PLATE
The Inside stringer for the staircase was rolled to a 26’-11” radius and the outside stringer was rolled to a 32’-3” radius.
