Similarly to universal columns, universal beam are referred to as “I-sections” or “H-sections”. The depth of a UB is greater than its width and difference is quite big, making it easy to spot. The increased depth results in higher loading capabilities than UCs, however there is not always enough space to use a UB.
An example is a 203 x 133 x 30 (sometimes written 203 x 133 UB 30 ). The first number is the depth of the beam, the second is the width and the last number is the weight (in this case 30) per metre in kilograms.
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