Hot-rolled H-beams and cold-welded H-beams
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What are the manufacturing processes for hot-rolled H-beams and cold-welded H-beams, and what are the differences between them? Which one has a lower cost? How to choose between hot rolling and cold welding?
Hot-rolled H-beams are part of a standard series and are produced in bulk. Welded H-beams are manufactured individually according to the cross-sectional dimensions required by the specific design, which results in relatively higher costs.
Literally, it can be understood that one comes from a steel plant while the other is welded by hand