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Structural Steel Beams

W8x18 vs W6x15

Empirical head-to-head comparison table, delta analysis, and interactive formula calculators.

W8x18

Standard AISC
Depth mm 206.8
Flange Width mm 133.4
Web Thick mm 5.8
Flange Thick mm 8.4
Area cm2 34.2
Weight kg m 26.8
Moment Inertia Ix cm4 2580
Section Modulus Sx cm3 249
VS

W6x15

Standard AISC
Depth mm 152.1
Flange Width mm 152
Web Thick mm 5.8
Flange Thick mm 6.6
Area cm2 28.6
Weight kg m 22.5
Moment Inertia Ix cm4 1170
Section Modulus Sx cm3 154

📊 Delta & Performance Analysis

Direct comparative ratio of core numeric metrics between W8x18 (Cyan) and W6x15 (Gold).

Depth mm: 206.8 vs 152.1 Δ +54.7
Flange Width mm: 133.4 vs 152 Δ -18.6
Web Thick mm: 5.8 vs 5.8 Δ 0
Flange Thick mm: 8.4 vs 6.6 Δ +1.8
Area cm2: 34.2 vs 28.6 Δ +5.6
Weight kg m: 26.8 vs 22.5 Δ +4.3
Moment Inertia Ix cm4: 2580 vs 1170 Δ +1410
Section Modulus Sx cm3: 249 vs 154 Δ +95

Solve Live Formulas with Interactive Tools

Run real-time calculations using our laboratory instruments, programmatic REST API, or raw CSV/JSON datasets.

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Frequently Asked Questions

What are the primary differences between W8x18 and W6x15?

W8x18 and W6x15 represent distinct specifications within Structural Steel Beams. Reference the side-by-side data table above for exact empirical values.

Can I access this comparison data programmatically via API?

Yes. GemsMakers offers a high-speed, zero-authentication JSON REST API at https://gemsmakers.com/api/v1/calculate.php and downloadable datasets in both CSV and JSON formats under CC BY 4.0.