Specification of Hollow Iron / Galvanized Black Square Pipe Cavity Iron
Actually, the term 'holo iron' is not quite right. The correct term is 'hollow iron'. It is said to be "hollow iron" because it is in the form of a hollow bar. Hollow is an English word which does mean 'cavity'. The term holo iron is obtained by the pronunciation of builders who may not be fluent in hearing and speaking in English. Hollow iron is more accurately described as being shaped like a long, hollow pipe with a rectangular cross section so it is often referred to as 'square pipe'. Hollow iron is actually called hollow structural section. Sometimes it is mistakenly called a hollow structural steel. The type of iron that is included in the HSS Iron family can be circular, elliptical, square, and rectangular in shape.
This hollow iron has quite a lot of uses. Not only as a ceiling support construction, but also used as a material for a canopy frame, fence, minimalist trellis, railing and so on. It is even used as the main material in installing gypsum panels and GRC panels. Because of its shape like a straight square pipe, it is widely used as interior material and minimalist style furniture which is currently trendy.
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