Square Pipe
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Construction square rectangular bututu welded baki karfe bututu
Bakin karfe murabba'in tube ne m tsiri na karfe, domin sashe ne square da ake kira square tube.Babban adadin bututun da ake amfani da su don isar da ruwa, kamar mai, iskar gas, ruwa, gas, tururi, da sauransu, ƙari, a lankwasawa, ƙarfin torsional a lokaci guda, nauyi mai nauyi, don haka ana amfani da shi sosai a cikin kera sassan injiniya da tsarin injiniya.