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Architectural exposure quality spiraling of tube steel, channel, plate and pipe to amazingly tight radii and steep pitches. (View Ornamental Flyer)
Albina doesn't split HSS prior to bending and then weld the sections back together to meet your needs. Our HSS members are bent as HSS members.
We don't fill your HSS with other structural members. We are able to bend HSS members without adding extra material and weight and are still able to meet or exceed your quality requirements.
Albina will bend your HSS stringers out of HSS material, we don't make "built-up stringers" out of plate.
We have recently spiraled:
- TS 20" x 8" x .625" wall A500 GR B spiral bent down to a 10' 1-1/4" plan view radius for the Thomas Jefferson School of Law in California.
In addition to standard bend profiles, Albina is able to Spiral/Helix Bend, Compound (Multiple Plane) bend, Off-Axis Bend, Elliptical/Parabolic Bend, etc.
The graphic (to the right) shows the typical details of spiral stringers and a spiral circular stair component. These two views represent the clearest way to illustrate and interpret these types of bends.
The following minimum factors are require to process spiral/circular stair components:
- Radius in plan view,
- Degree of arc in plan view of spiral section only.
- Overall rise of spiral section only,
- Degree of pitch, and
- Direction of rotation, interpreted as clockwise or counterclockwise up.
These specified minimum factors can be represented in other ways, but must be able to be calculated from other dimensions if not specifically given.
Capacities are always changing!
Complementary Products:
(View Ornamental Flyer)
Handrails, decorative gates and fences for commercial, recreational, transportation and residental applications.
Architecturally appealing signs and entry-ways for commercial, recreational, and transportation applications.
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