W10x54 — Dimensions, Weight & Section Properties
American wide-flange (W) beam per ASTM A6 / AISC Steel Construction Manual
W10x54 is an American wide-flange beam 10.1 inches (256.5 mm) deep with a 10 in (254 mm) flange, weighing 54 pounds per foot (80.4 kg/m) — that is what the "54" in the designation means. All values below are the standard AISC published section properties used in US structural design, with metric equivalents alongside.
Typical uses: floor and roof framing, columns, headers, and general steel construction. For a quick stiffness check, see the deflection example below or open the beam calculator with your own span and load.
Dimensions
| Depth d | 10.1 in (256.5 mm) |
| Flange width bf | 10 in (254 mm) |
| Web thickness tw | 0.37 in (9.4 mm) |
| Flange thickness tf | 0.615 in (15.6 mm) |
Weight & Cross-Section
| Weight per foot | 54 lb/ft (80.4 kg/m) |
| 20 ft bar | 1,080 lb |
| 40 ft bar | 2,160 lb |
| Area A | 15.8 in² (101.9 cm²) |
Section Properties (strong / weak axis)
| Moment of inertia Ix | 303 in⁴ (12,612 cm⁴) |
| Section modulus Sx | 60 in³ (983 cm³) |
| Radius of gyration rx | 4.37 in |
| Moment of inertia Iy | 103 in⁴ (4,287 cm⁴) |
| Section modulus Sy | 20.6 in³ (338 cm³) |
| Radius of gyration ry | 2.56 in |
Compared with the neighbouring sizes
| Shape | d × bf (in) | lb/ft | Ix (in⁴) | Sx (in³) | Δ weight | Δ Ix |
|---|---|---|---|---|---|---|
| W10x49 | 9.98 × 10 | 49 | 272 | 54.6 | −9 % | −10 % |
| W10x54 (this page) | 10.1 × 10 | 54 | 303 | 60 | — | — |
| W10x60 | 10.2 × 10.1 | 60 | 341 | 66.7 | +11 % | +13 % |
Deflection example
A simply supported W10x54 spanning 16 ft with a 10 kip point load at midspan deflects 0.17 in (E = 29,000 ksi, Ix = 303 in⁴). The L/360 serviceability limit for this span is 0.53 in — the shape passes this quick check.
Calculate with your own span and load →
Frequently asked questions
How much does a W10x54 beam weigh?
W10x54 weighs 54 pounds per foot (80.4 kg/m). The number after the "x" in the designation is always the weight in lb/ft. A 20 ft bar weighs 1,080 lb and a 40 ft bar 2,160 lb.
What are the dimensions of a W10x54?
W10x54 is 10.1 in (256.5 mm) deep with a 10 in (254 mm) wide flange. The web is 0.37 in thick and the flanges are 0.62 in thick. Note the actual depth differs from the nominal W10 label — always design with the actual value.
What are the dimensions of a W10x54 in mm?
W10x54 is 256.5 mm deep with a 254 mm wide flange; the web is 9.4 mm and the flange 15.6 mm thick. In metric section properties: Ix = 12,612 cm⁴, Sx = 983 cm³.
How much does a W10x54 weigh in kg?
80.4 kg per meter. A 6 m bar weighs 482 kg and a 12 m bar 964 kg — handy when ordering US shapes from metric suppliers.
What is the moment of inertia of a W10x54?
About the strong axis, Ix = 303 in⁴ (12,612 cm⁴) with section modulus Sx = 60 in³. About the weak axis, Iy = 103 in⁴ and Sy = 20.6 in³. Use the beam deflection calculator to turn these into deflection and stress for your span and load.
W10x54 or W10x60 — what does one size up change?
W10x60 is about 11% heavier (60 vs 54 lb/ft) but about 13% stiffer (Ix 341 vs 303 in⁴). Going one step up within the same depth group is usually the cheapest way to cut deflection.
Values are entered from the governing standard’s published tables and cross-checked programmatically against its mass and section formulas before publication. Spotted an error? Write to advertising@metalabout.net — verified corrections ship within days. About