We provide premium American standard H-beams, also known as wide flange beams, fully compliant with ASTM A36 Beam and A572 Grade 50 standards.
Our inventory covers standard sizes from W4x13 to W10x19, manufactured using hot-rolled techniques for superior strength and durability. These structural steel beams are ideal for building frameworks, bridges, heavy industrial projects, and critical load-bearing structures.
All beams come with Mill Test Reports (MTR), and we offer standard and customized lengths suitable for international export.
Product Specifications
| Standard | ASTM |
|---|---|
| Grade | A36 Beam, A572 Gr.50 |
| Technique | Hot Rolled |
| Certificate | CE, ISO9001, CIDB |
| Typical Model | W6X8 |
| Depth (h) | 148 mm |
| Flange Width (b) | 100 mm |
| Web Thickness (tw) | 4.3 mm |
| Flange Thickness (tf) | 4.9 mm |
| Unit Weight | 12 kg/m |
Material Characteristics
ASTM A36 Beam (Carbon Structural Steel)
Standard: ASTM A36
Yield Strength: 36 ksi (~250 MPa)
Tensile Strength: 58–80 ksi (~400–550 MPa)
Properties: Excellent weldability, machinability, and comprehensive mechanical performance; cost-effective for general structures.
Typical Applications: Non-critical structural frames, lightweight platforms, staircases, and equipment supports.
ASTM A572 Grade 50 H-Beam (High-Strength Low-Alloy Steel)
Standard: ASTM A572 Gr.50
Yield Strength: 50 ksi (~345 MPa)
Tensile Strength: 65 ksi (~450 MPa)
Properties: Higher strength-to-weight ratio, good weldability, and atmospheric corrosion resistance. Reduces material weight while maintaining structural integrity.
Typical Applications: High-rise buildings, bridges, large industrial plants, crane beams, heavy machinery bases.
H-Beam Product Range
| Product | Size (mm) | Unit Weight (kg/m) |
|---|---|---|
| W4X13 | 105.7x103x7.1x8.8 | 19.3 |
| W6X6.2 | 146x95x3.0x3.8 | 9.2 |
| W6X7 | 147x100x3.3x4.2 | 10.416 |
| W6X8 | 148x100x4.3x4.9 | 12 |
| W6X8.5 | 148x100x4.3x4.9 | 13 |
| W6X9 | 150x100x4.3x5.5 | 13.5 |
| W6X10 | 151x100x4.8x6.0 | 15 |
| W6X10.4 | 151.4x100.8x5.1x6.3 | 15.477 |
| W6X11 | 152x102x5.3x6.5 | 16.5 |
| W6X12 | 153x102x5.8x7.1 | 18 |
| W6X13 | 154x102x6.3x7.6 | 19.3 |
| W6X14 | 152x152x5.3x6.3 | 21 |
| W6X15 | 152x152x5.8x6.6 | 22.5 |
| W6X16 | 160x102x6.6x10.3 | 24 |
| W8X8 | 200x100x3.3x4.2 | 12 |
| W8X9 | 200x100x3.8x4.7 | 13.5 |
| W8X10 | 200x100x4.3x5.2 | 15 |
| W8X13 | 203x102x5.8x6.5 | 19.3 |
| W8X15 | 206x102x6.2x8.0 | 22.5 |
| W10X15 | 254x102x5.8x6.9 | 22.3 |
| W10X17 | 257x102x6.1x8.4 | 25.3 |
| W10X19 | 260x102x6.4x10 | 28.4 |
Contact us for the latest A36 Beam weight chart and stock availability.
H-Beam vs I-Beam
| Feature | H-Beam (Wide Flange) | I-Beam (Standard) |
|---|---|---|
| Flange Design | Parallel, wide | Tapered, narrow |
| Strength/Weight | High strength-to-weight ratio | Lower strength-to-weight ratio |
| Load Capacity | Supports heavy loads | Supports moderate loads |
| Typical Use | Main structural frames, columns, heavy supports | Secondary spans, residential or light-duty applications |
Summary: Every H-beam is I-shaped, but not all I-beams are H-beams. Modern wide flange H-beams (ASTM A36 Beam) are the preferred choice for major construction and heavy-load applications.
Products Applications
Commercial & Industrial Buildings: Main columns and beams in factories, warehouses, and workshops.
Bridge Construction: Piers, supports, and deck frameworks.
Heavy Equipment Frames: Machinery, cranes, and industrial platforms.
Prefabricated Structures: Modular buildings, steel sheds, and container homes.
Get your ASTM A36 Beam and A572 Grade 50 H-beams directly from the factory. Request a quotation, technical consultation, or stock list today. Our experienced sales engineers provide expert material selection advice for all your construction projects.
Q1: What is ASTM A36 H-Beam and how does it differ from A572 Grade 50 H-Beam?
ASTM A36 H-Beam is a hot-rolled structural steel beam with a minimum yield strength of 250 MPa, designed for general structural applications. Compared to A572 Grade 50 H-Beam, which has a higher yield strength of 345 MPa, A36 offers better ductility and is easier to form, making it suitable for standard construction projects where ultra-high strength is not required.
Q2: What is the chemical composition of ASTM A36 H-Beam?
The chemical composition includes carbon ≤ 0.26%, manganese 0.60–1.20%, phosphorus ≤ 0.04%, sulfur ≤ 0.05%, and silicon ≤ 0.40%. These limits ensure a balance between weldability, ductility, and structural strength. Compared to A572 Grade 50, A36 generally has slightly lower carbon content, which improves weldability but reduces yield strength.
Q3: What are the mechanical properties of ASTM A36 H-Beam?
ASTM A36 H-Beam has a minimum yield strength of 250 MPa and tensile strength between 400–550 MPa, with a minimum elongation of 20% over 200 mm. In contrast, A572 Grade 50 beams have a higher yield strength (345 MPa) but slightly lower elongation, offering a trade-off between strength and ductility.
Q4: What sizes and dimensional tolerances are available for ASTM A36 H-Beam?
Standard sizes range from W4x13 to W44x335, with flange and web thickness tolerances controlled within ±3% and height tolerances within ±6 mm. Dimensional accuracy is essential for load distribution, and A36 beams typically follow ASTM tolerances, which are comparable to A572 beams of similar size.
Q5: Can ASTM A36 H-Beam be welded and fabricated easily?
Yes. A36 beams are highly weldable using SMAW, GMAW, or FCAW. Preheating is generally not required for thicknesses under 50 mm, unlike some high-strength steels which may need special precautions to prevent cracking. Cold bending, drilling, and machining are also possible without special treatment.
Q6: What testing is performed on ASTM A36 H-Beams?
Testing includes tensile tests, bend tests, chemical analysis, and visual inspection. Mill Test Reports (MTRs) document compliance with ASTM A36. Non-destructive testing (NDT) can be applied for critical projects. Compared to A572 beams, A36 beams usually have less stringent high-strength testing requirements.
Q7: What are typical applications for ASTM A36 H-Beams?
ASTM A36 H-Beams are commonly used for building frameworks, bridges, industrial plants, warehouses, and general support structures. For applications requiring higher load capacity, A572 Grade 50 or higher-grade beams may be selected instead.
Q8: How is corrosion protection handled for ASTM A36 H-Beams?
Beams are delivered in mill finish, with optional galvanization, painting, or coating for corrosive environments. Surface preparation is critical for welding and coating adhesion. A572 beams may also require coatings but can be advantageous in higher-stress or long-span structures due to higher strength.