BS EN 1387: 1985Screwed and socketed steel tubes and tubular sand for plain end steel tubes suitable for welding or for screwing to BS 21 pipe threads1.1 ScopeThis British Standard specifies requirements for screwed and socketed steel tubes and tubulars and for plamn end steel tubes suitable for wel
saber másCustoms Code:73121000PC strand is widely used in prestressed concrete structure.Its application is so wide that hardly any prestressed concrete structure is constructed without it. Bridges, high-rise buildings, industrial facilities, warehouses, stadiums, sport complexes, containme
saber másYuantai Group is nowmanufacturing cold-formed hollow sectionsto the Canadian specificationCSA G40.21 50W, or what iscommonly referred to as 350W.The grade is utilized in a variety of structural applications. The specific mechanical properties are summarized as follows.&
saber másGB/ T 6728-2002 Cold formed steel hollow sections for general structure Thestandard is applicable to round, rectangular and square cold forming hollow sectional steel made of cold-rolled or hot-rolled steel plates, sheets and strips on continuous roll cold forming units. It is also appli
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