Steel Plate (Cap Plate)


Steel Cap Plates are used to transfer shear or load weight.

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Steel Cap Plates are used to transfer shear or load to the column below from the or vertical portion of a typical wide flange steel beam (I-Beam).To adequately transfer large loads, the load must be applied uniformly over a large enough area, say several inches or more.  Another way to think of this is providing adequate bearing.  We can’t expect the steel beam to transfer its load to the column with a small bearing area, right?  If the steel beam web does not have an adequate length along which to transfer the load it could buckle, which we call ‘web yielding’ or ‘web crippling’.

When we introduce a large point load from above, the given area we have to transfer the load may not be enough.  It is at these locations that Structural Engineers and steel detailers specify web stiffeners to prevent buckling.  We make Cap Plates/Steel Plates to the following specifications.  If you do not see something here you need, please get in touch.

  • 1/4″ x 3″ x 3″ Steel plate
  • 1/4″ x 4″ x 4″ Steel plate
  • 1/4″ x 5″ x 5″ Steel plate
  • 1/4″ x 6″ x 6″  Steel plate
  • 1/2″ x 5″ x 5″ Steel plate
  • 1/2″ x 6″ x 6″ Steel plate
  • 1/2″ x 8″ x 8″ Steel plate
  • 3/4″ x 8″ x 8″ Steel plate
  • 3/4″ x 10″ x 10″ Steel plate
  • 3/4″ x 12″ x 12″ Steel plate

The above measurements are a small selection of commonly ordered products. However, we can customise this product to any size and to your specifications.

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Additional information

Weight N/A
Dimensions N/A

1/4" x 3" x 3", 1/4" x 4" x 4", 1/4" x 5" x 5", 1/4" x 6" x 6", 1/2" x 5" x 5", 1/2" x 6" x 6", 1/2" x 8" x 8", 3/4" x 8" x 8", 3/4" x 10" x 10", 3/4" x 12" x 12"


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