Dimensions, weight per metre and paint area
W12x170 is a wide-flange shape weighing 253 kg/m (170.0 lb/ft): a 12 m length weighs 3,036.0 kg. It is 355.6 mm deep and 320 mm wide; the web is 24.38 mm and the flanges 39.62 mm thick.
Also listed as W310X253.
| Depth h | 355.6 mm |
|---|---|
| Flange width b | 320 mm |
| Web thickness tw | 24.38 mm |
| Flange thickness tf | 39.62 mm |
| Weight per metre | 253 kg/m |
|---|---|
| Weight per foot | 170.0 lb/ft |
| Cross-section area | 322.3 cm² |
| Paint area per metre | 1.992 m²/m |
| Paint area per tonne | 7.9 m²/t |
| 1 m | 253 kg |
|---|---|
| 6 m | 1,518.0 kg |
| 12 m | 3,036.0 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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