NPI
Apart from supporting weights, they are preferred in automotive, civil engineering and heavy machinery. They are usually used vertically (column).
What are the Properties of NPI Iron?
The shape of these steel profiles is similar to the letter H. NPI iron also has varieties that differ in size and weight, just like NPU iron. They are named according to their size. For example, the size of the iron called "100 NPI" is 100x50.
