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Picture for category Channel


Albina has the ability to bend both standard channels (designated as C channel) as well as miscellaneous channels (designated as MC channel), from the very small sizes to the very large sizes. In fact, Albina can bend all of the mill supplied sizes of all types of channel.

We have the ability to bend channel the easy way (against the weak axis) and the hard way (against the strong axis).

We can bend all types of channel including aluminum, stainless and carbon steel.

Standard channel and miscellaneous channel are specified in similar fashions. An example callout for standard channel would be C12x20.7#. The C indicates standard channel. The 12 (in inches) indicates the depth of the channel. The 20.7# indicates the pounds per foot for the channel.

Similar to wide flange and I-beam, channel can be bent with a number of different bending processes. The most common bending method is a roll bend or pyramid bends method. Straight material is inserted into the rolls; the rolls are then moved horizontally to put the desired radius into the material. The material can also be bent incrementally hot or incrementally cold. This is where small sections of material are bent at one time. When finished the section has a smooth curve to the bent section. Finally channel can also be bent in a plate roll which is typically done when bending stair stringers.

Just like wide flange and I-beam, to successfully bend channel the hard way one must use a web stretcher and/or mandrels. These tools are critical to use when bending the hard way as they keep the critical web from buckling or distorting.

We bend all mill supplied sizes which includes C3x4.1# - C15x50#.

Carbon channel (mill produced) is classified as ASTM A36 (just like angle) resulting in a yield point (psi) of 36,000 minimum.

We bend all stock lengths as well as non-stock lengths. Stock lengths come in 20 feet and then every 5 foot increment up to approximately 60 feet long. The most common lengths include 20 feet and 40 feet long.

One of the most common usages of bent channel is for stair cases. The bent channels act as the stair stringers (link to specialty bending: spiral, circular & helical bending) (supports) and are bent helically. Bent channels are also used in light structural applications like awnings and car ports typically found in residential buildings or light commercial structures.

Curved Channel for Roof Trusses at the Rio Vista Rec Center

Curved Channel for Canopy Roof Trusses

Curved Channel for Store Front Signage

Curved Channel for Industrial Application

Curved Channel for Store Front Signage

Curved Channel for Orange County Great Park

Curved Channel for Spiral Staircase at Worthy Brewing

Curved Channel Rolled Flanges Out to a 12½\" Inside Radius


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Capacities Chart

Section3D Image2D ImagePhotoCapacities
Channel Flanges InChannel flanges in 2D imageChannel flanges in 2D imageChannel flanges in example photoAll Mill Produced Sizes
Channel Flanges OutChannel flanges out 2D imageChannel flanges out 2D imageChannel flanges out example photoAll Mill Produced Sizes
Channel the Hard Way (X-X Axis)Channel hard way 2D imageChannel hard way 2D imageChannel hard way example photoAll Mill Produced Sizes