european standard s275j2 rolled steel joist BDN STEELWorld class european standard s275 rolled steel joist . european standard s355jr double t steel application. Structural steel is a category of steel used for making construction materials in a Most steels used throughout Europe are specified to comply with the European standard EN 10025 Universal Beam, Rolled Steel Joist, or double T, is a beam with an I or H shaped cross section.
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