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| Grade: | A36 |
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| Standard: | AISI, JIS, ASTM, DIN, BS, GB |
| Certification: | IS0, RoHS, ABS |
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This H beam is made of high-quality carbon structural steel and low-alloy steel, formed by precision hot rolling. With a standard H-shaped cross-section, it boasts uniform stress distribution, excellent bending and compression resistance, and high material utilization. As a core load-bearing structural material in construction, bridge, and industrial facilities, it supports customization according to global regional standards with full-process quality control to facilitate efficient project implementation.
Core Advantages: Build a Solid Safety Line for Projects
High Load-Bearing Capacity: The unique H-shaped cross-section design ensures superior bending and shear resistance compared to traditional section steel. It reduces material loss by 10%-30% under the same load conditions, significantly lowering project costs;
Multi-Standard Compatibility: Fully covers global mainstream standards such as GB (Q235B/Q355B/Q420), ASTM (A36/A572), JIS (SS400), and EN (S235JR/S355JR), adapting to the needs of different markets in Asia-Pacific, Europe, America, Japan, and South Korea;
Easy Construction: High precision of standardized dimensions enables direct cutting, welding, and assembly, shortening the construction period. It supports customized lengths of 3-12m, as well as anti-corrosion treatments such as hot-dip galvanizing and painting, suitable for complex outdoor environments.
ASTM H Beam Chemical Composition: Key Element Requirements
Chemical composition is the fundamental basis for ensuring the performance of ASTM H beams, directly affecting their strength, toughness, weldability and corrosion resistance. The following are the chemical composition requirements (mass fraction, %) of mainstream ASTM H beam grades, in line with the latest ASTM standard specifications.
| ASTM Grade | Carbon (C) ≤ | Silicon (Si) ≤ |
Manganese (Mn) | Phosphorus (P) ≤ | Sulfur (S) ≤ | Other Alloy Elements |
| A36 | 0.25 | 0.40 | 0.80-1.20 | 0.04 | 0.05 | Cu ≥ 0.20 (when specified) |
| A572 Gr50 | 0.23 | 0.40 | 0.80-1.50 | 0.04 | 0.05 | Nb: 0.005-0.05; V: 0.01-0.15 |
| ASTM Grade | Yield Strength (≥) | Tensile Strength | Elongation (≥) | Additional Performance |
| A36 | 250 MPa | 400-550 MPa | 20% | Excellent weldability; meets cold bending requirements (180° bending test passed) |
| A572 Gr50 | 345 MPa | 490-600 MPa | 22% | Charpy Impact Energy ≥45J (0ºC); high toughness and fatigue resistance; suitable for heavy-load structures |
Versatile Applications: Cover Full-Scenario Engineering Needs
Widely used in high-rise building frames, prefabricated warehouses/factories, highway/railway bridges, industrial platforms/crane beams, as well as new energy photovoltaic brackets, port terminals, subway infrastructure and other projects. Whether it is industrial facilities with heavy loads or outdoor projects with high requirements for anti-corrosion and precision, it can be accurately matched.
Quality Assurance: Worry-Free Procurement Throughout the Process
Each batch of products undergoes mechanical property testing and appearance inspection. Third-party quality inspection reports (SGS/BV) can be provided to meet the requirements of import and export customs clearance. We support small-batch trial orders and bulk wholesale, offer flexible trade terms such as FOB/CIF, and a professional logistics team ensures on-time delivery.
Inquire now to get an exclusive quotation. Our engineers provide 1-on-1 selection solutions, and customized needs are followed up throughout the process, making your H beam procurement more worry-free and assured!
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