1. steel pipe
2. Koukan
3. Hollow structural sectionA hollow structural section (HSS) is a type of metal profile with a hollow tubular cross section. In some countries they are referred to instead as a structural hollow section (SHS). Most HSS are of circular or rectangular section, although other shapes are available, such as elliptical. HSS is only composed of structural steel per code. HSS is sometimes mistakenly referenced as hollow structural steel. Rectangular HSS are also called tube steel or structural tubing.
Read “Hollow structural section” on English Wikipedia
Read “鋼管” on Japanese Wikipedia
Read “Hollow structural section” on DBpedia
Read “Hollow structural section” on English Wikipedia
Read “鋼管” on Japanese Wikipedia
Read “Hollow structural section” on DBpedia
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