Dimensions, weight per metre and paint area
W21x101 is a wide-flange shape weighing 150.3 kg/m (101.0 lb/ft): a 12 m length weighs 1,803.6 kg. It is 543.6 mm deep and 312.4 mm wide; the web is 12.7 mm and the flanges 20.32 mm thick.
Also listed as W530X150.
| Depth h | 543.6 mm |
|---|---|
| Flange width b | 312.4 mm |
| Web thickness tw | 12.7 mm |
| Flange thickness tf | 20.32 mm |
| Weight per metre | 150.3 kg/m |
|---|---|
| Weight per foot | 101.0 lb/ft |
| Cross-section area | 191.5 cm² |
| Paint area per metre | 2.337 m²/m |
| Paint area per tonne | 15.6 m²/t |
| 1 m | 150.3 kg |
|---|---|
| 6 m | 901.8 kg |
| 12 m | 1,803.6 kg |
Dimensions and mass per AISC Shapes Database v16.0, from Steel Optimizer's verified section library. Area is worked out from the mass at 7,850 kg/m³. Paint area counts the outside perimeter with square corners and ignores root radii, so it is on the safe side: typically 2–5 % above catalogue surface areas.
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