W21x182 w shape beam VS W24x55 w wide flange beam
Basic parameters of W21x182 h type beam
Theoretical weight: about 182 pounds per foot, which is about 271.4 kg/m in metric.
Flange width (bf): about 267 mm
Waist height (d): about 533 mm (nominally 21 inches)
Waist thickness (tw): about 15.9 mm
Flange thickness (tf): about 22.2 mm
W21x182 h shaped beam is usually made of high-strength low-alloy steel. Common material standards include A36, A572 Gr.50 or A992, etc., with good weldability, processability and mechanical properties.
Mechanical properties of A36 W24x55 h beam structure
Yield strength: ≥250 MPa
Tensile strength: 400~550 MPa
Elongation: 200mm specimen ≥20%
Elongation: 50mm specimen ≥23%
Impact toughness: Charpy V-notch test, impact toughness index Akv≥27J (specific temperature requirements depend on the steel grade).
Delivery status: hot rolling, controlled rolling or normalizing.
The production process of A36 W24x55 h shaped steel includes: primary refining; LF refining; VD treatment; continuous casting (or die casting); cleaning and heating; rolling; surface inspection; batching; flaw detection; heat treatment; cutting sampling; performance inspection; storage.
