The Collaborative International Dictionary
Structural steel \Structural steel\
Rolled steel in structural shapes.
A kind of strong mild steel, suitable for structural shapes.
WordNet
n. a strong steel that is rolled into shapes that are used in construction
Wikipedia
Structural steel is a category of steel used as a construction material for making structural steel shapes. A structural steel shape is a profile, formed with a specific cross section and following certain standards for chemical composition and mechanical properties. Structural steel shapes, sizes, composition, strengths, storage practices, etc., are regulated by standards in most industrialized countries.
Structural steel members, such as -beams, have high second moments of area, which allow them to be very stiff in respect to their cross-sectional area.
Usage examples of "structural steel".
Outside the main facilities plant are open sheds which cover stacks of standard structural steel pipe, internal diameter 75 millimeters.
The floor above was stone, which he had learned from Malguri meant a barrel vault beneath, in this age predating structural steel.
All he could see were the tops of the trees, and the irregular rooftops of Society Hill, and -farther to the west - the cranes and the structural steel skeletons of Philadelphia's downtown rebuilding program, as well as the ornamental clock tower of City Hall, with its famous statue of William Penn standing on top.
The Capitol has no structural steel within its stone walls, having been built in an age when stone piled on stone was deemed the most long-lasting form of construction.
A huge mushroom cloud filled the western horizon, and even as he watched, a five-man gravitonic conveyer with a full load of structural steel turned turtle in mid-air.
Her captain might snatch a few hours' sleep, but would doubtless dream of wiring diagrams and structural steel.
It was built into the structural steel of the hull, a massive steel ball some four feet in diameter.
Inside, I-beams, laminated timbers, and structural steel were stacked in orderly rows, along with a variety of construction equipment.
Not enough iron in the regolith to process into the structural steel they needed.
Sheet steel and tougher structural steel snarling against the teeth of a metal-cutting saw.
It has the tensile strength of structural steel but one hundredth the weight.
It would take a thousand years, maybe more, before the buildings collapsed from rusting structural steel and lack of maintenance .