Download the Latest W beam Specifications and Dimensions.
ASTM W Beam W6x15 W8x15 W8x21 W18x35 Dimensions Wide Flange Steel Beam
Royal Steel Group supplies American-standard W-shape beams in a range of sizes, including W6x15, W8x15, W8x21, and W18x35, with additional W beam sizes available according to project requirements.
W beams are designed to provide efficient load distribution with a wide flange and relatively deep web, making them suitable for structural framing and long-span applications.
| Item | Specification |
| Product | Wide Flange Beam |
| Standard | ASTM A6 |
| Steel Type | Structural Carbon Steel |
| Available Sizes | W6x15, W8x15, W8x21, W18x35, etc |
| Shape | W / Wide Flange |
| Surface | Black / Mill Finish |
| Length | Standard 6 m / 12 m, Custom Length Available |
| Manufacturing | Hot Rolled |
| Application | Building, Bridge, Warehouse, Industrial Structure |
| Inspection | MTC / Third-Party Inspection Available |
Technical Data
| Chemical Composition (Heat Analysis, Max %) | ||||||||||||
| Material Grade | C | Mn | P | S | Si | V | Nb | Ti | Cu | Ni | Cr | Mo |
| ASTM A992 | ≤0.23 | ≤1.35 | ≤0.035 | ≤0.045 | ≤0.40 | ≤0.11 | ≤0.05 | ≤0.04 | ≤0.60 | ≤0.45 | ≤0.35 | ≤0.15 |
| Mechanical Properties (Minimum Requirements) | |||||
| Material Grade | Yield Strength (Min.) | Tensile Strength | Elongation (Min.) | Yield Ratio (Max.) | Application |
| ASTM A992 | 345 MPa (50 ksi) | 450–650 MPa (65–95 ksi) | 21% | ≤0.85 | High-rise buildings, commercial structures, infrastructure |
Wide Flange Beam Sizes - W Beam
| Designation (Imperial) | Depth h (in) | Width w (in) | Web Thickness s (in) | Sectional Area (in²) | Weight (lb/ft) | Ix (in⁴) | Iy (in⁴) | Wx (in³) | Wy (in³) |
| W18×119 | 19 | 11.27 | 0.655 | 35.1 | 119 | 2190 | 253 | 231 | 44.9 |
| W18×106 | 18.7 | 11.2 | 0.59 | 31.1 | 106 | 1910 | 220 | 204 | 39.4 |
| W18×97 | 18.6 | 11.15 | 0.535 | 28.5 | 97 | 1750 | 201 | 188 | 36.1 |
| W18×86 | 18.4 | 11.09 | 0.48 | 25.3 | 86 | 1530 | 175 | 166 | 31.6 |
| W18×76 | 18.2 | 11.04 | 0.425 | 22.3 | 76 | 1330 | 152 | 146 | 27.6 |
| W18×71 | 18.5 | 7.64 | 0.495 | 20.8 | 71 | 1170 | 60.3 | 127 | 15.8 |
| W18×65 | 18.4 | 7.59 | 0.45 | 19.1 | 65 | 1070 | 54.8 | 117 | 14.4 |
| W18×60 | 18.2 | 7.56 | 0.415 | 17.6 | 60 | 984 | 50.1 | 108 | 13.3 |
| W18×55 | 18.1 | 7.53 | 0.39 | 16.2 | 55 | 890 | 44.9 | 98.3 | 11.9 |
| W18×50 | 18 | 7.5 | 0.355 | 14.7 | 50 | 800 | 40.1 | 88.9 | 10.7 |
| W18×46 | 18.1 | 6.06 | 0.36 | 13.5 | 46 | 712 | 22.5 | 78.8 | 7.4 |
| W18×40 | 17.9 | 6.02 | 0.315 | 11.8 | 40 | 612 | 19.1 | 68.4 | 6.4 |
| W18×35 | 17.7 | 6 | 0.3 | 10.3 | 35 | 510 | 15.3 | 57.6 | 5.1 |
| W16×100 | 16.97 | 10.425 | 0.585 | 29.4 | 100 | 1490 | 186 | 175 | 35.7 |
| W16×89 | 16.75 | 10.365 | 0.525 | 26.2 | 89 | 1300 | 163 | 155 | 31.4 |
| W16×77 | 16.52 | 10.295 | 0.455 | 22.6 | 77 | 1100 | 138 | 134 | 26.9 |
| W16×67 | 16.33 | 10.235 | 0.395 | 19.7 | 67 | 954 | 119 | 117 | 23.2 |
| W16×57 | 16.43 | 7.12 | 0.43 | 16.8 | 57 | 758 | 43.1 | 92.2 | 12.1 |
| W16×50 | 16.26 | 7.07 | 0.38 | 14.7 | 50 | 659 | 37.2 | 81 | 10.5 |
| W16×45 | 16.13 | 7.035 | 0.345 | 13.3 | 45 | 586 | 32.8 | 72.7 | 9.3 |
| W16×40 | 16.01 | 6.995 | 0.305 | 11.8 | 40 | 518 | 28.9 | 64.7 | 8.3 |
| W16×36 | 15.86 | 6.985 | 0.295 | 10.6 | 36 | 448 | 24.5 | 56.5 | 7 |
| W16×31 | 15.88 | 5.525 | 0.275 | 9.12 | 31 | 375 | 12.4 | 47.2 | 4.5 |
| W16×26 | 15.69 | 5.5 | 0.25 | 7.68 | 26 | 301 | 9.6 | 38.4 | 3.5 |
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1.High Structural Strength
ASTM A992 W-beams are intended for structural applications where dependable strength and performance are required.
2.Wide Flange Design
Wide flange structures are good at resisting bending and bear the structural loads over a wider area.
3.Various W-Beam Sizes
Popular sizes are W6x15 W8x15 W8x21, W18x35, etc, which cover a range of load and design conditions.
4.Weldable and Fabricable
ASTM A992 is commonly used in the fabrication of structural steel, including welding and bolting connections, as long as the design and construction are suitable.
5.Ideal for Large Projects
These wide flange structural steel beams are used in warehouses, factories, commercial buildings, bridges, and infrastructure projects.
Different construction projects require different beam lengths. Royal Steel Group offers custom cut W shape steel beams to reduce on-site processing and improve installation efficiency.
Available services include:
1.Custom Length Cutting
Beams can be cut according to customer drawings and project requirements.
2.Drilling & Punching
Bolt holes can be processed according to fabrication drawings.
3.Welding & Fabrication
Additional fabrication can be provided for structural steel components.
4.Surface Treatment
Black steel, painted, shot-blasted, and galvanized options are available according to application requirements.
Ordinary Surface
Hot Galvanized Surface
Black Oil Surface
1. Commercial Buildings
Used for columns, floor beams, roof structures, and primary building frames.
2. Industrial Facilities
Suitable for warehouses, factories, workshops, equipment platforms, and heavy-duty support structures.
3. Bridges & Infrastructure
Used in bridge structures, platforms, transportation infrastructure, and load-bearing components.
4. Structural Fabrication
Commonly processed into frames, supports, columns, platforms, and fabricated steel assemblies.
1. Complete Quality Certificates
We provide Mill Test Certificates (MTC) and can arrange chemical composition, mechanical testing, dimensional inspection, and third-party inspection according to project requirements.
2. Factory-Direct Competitive Pricing
Direct sourcing and strong supply-chain capabilities help us offer competitive prices for both standard and bulk wide flange structural steel beams.
3. Custom Cutting & Specifications
Beam length, quantity, packaging, and other requirements can be customized to match different fabrication and construction needs.
4. Global Export & Delivery Support
Royal Steel Group provides professional export documentation, secure packing, logistics coordination, and worldwide shipping services.
5. Reliable Project Support
From product selection and quotation to inspection and delivery, our team provides responsive support for contractors, fabricators, distributors, and international engineering projects.
W beams are normally secured in bundles using steel straps and prepared for export handling.
For project orders, packaging can be adjusted according to:
- Container loading requirements
- Bulk vessel shipment
- Beam length
- Bundle weight
- Destination port
- On-site handling requirements
Royal Steel Group can coordinate production, inspection, export documentation, and international shipping.
Q1: Can you provide customized W Beam sizes or cutting?
A: Yes, custom sizes, lengths, cutting, and packaging are available.
Q2: Do you have W Beams in stock?
A: Stock depends on size and quantity. Contact us for current availability.
Q3: What certificates can you provide?
A: We provide MTC and support third-party inspection.
Q4: What is the MOQ for ASTM A992 W Beams?
A: MOQ depends on size and quantity. Flexible orders are available.
Q5: How long does delivery take?
A: Lead time depends on stock, quantity, and destination. We confirm it with each quotation.











