Introduction: High-Quality Iran Steel H-Beams for Structural Applications
Iran steel H-beams are widely used in construction, infrastructure, and industrial projects, providing superior load-bearing capacity, durability, and compliance with international standards. These beams are designed for optimal strength-to-weight ratio, making them ideal for large-span structures, bridges, and high-load frameworks. Iranian steel H-beams are available in various sizes, grades, and weight capacities, ensuring their suitability for residential, commercial, and industrial applications.
With the rising demand for high-quality structural steel, Iran has become a leading exporter of H-beams, meeting the highest standards for construction and engineering sectors. The PSG Steel Group supplies steel H-beams that conform to ASTM, EN, GOST, and ISIRI standards. These beams are known for their high tensile strength, precision engineering, and cost-effectiveness, making them a preferred choice in global steel markets.
Comprehensive Guide to Iran Steel H-Beam Sizes and Standards
1. Global Standards for Iran Steel H-Beams
Iranian steel H-beams adhere to internationally recognized standards to ensure structural integrity, load capacity, and safety compliance:
- EN 10025-2 (European standard for hot-rolled structural steel)
- ASTM A992 (American standard for structural steel beams)
- GOST 8239-89 (Russian standard for H-beams)
- ISIRI 1791 (Iranian national standard for structural beams)
- JIS G3101 (Japanese standard for hot-rolled steel sections)
Compliance with these standards ensures that Iranian steel H-beams meet global structural requirements, making them suitable for high-rise buildings, industrial facilities, and heavy-duty applications.
2. Available H-Beam Sizes and Dimensions
Iran steel H-beams are manufactured in a variety of sizes to meet different engineering and construction demands:
- Height (H): 100 mm – 1000 mm
- Flange Width (B): 50 mm – 400 mm
- Web Thickness (t): 4.5 mm – 30 mm
- Flange Thickness (T): 7 mm – 40 mm
- Weight per Meter: 17 kg/m – 300 kg/m
- Standard Length: 6 m, 12 m, or customized
- Custom Fabrication: Available for specialized industrial needs
These variations provide excellent load distribution, structural stability, and seismic resistance, ensuring superior performance in demanding environments.
3. Grades of Iran Steel H-Beams
Steel H-beams are classified based on material composition, strength, and load-bearing capacity. Iran steel H-beams are available in the following grades:
- S235JR, S275JR, S355JR (EN 10025-2) – Commonly used for general construction, bridges, and industrial frameworks.
- ASTM A36, A572-50, A992 – Suitable for high-load structures, steel buildings, and heavy-duty applications.
- GOST 8239-89, GOST 535-2005 – Preferred for Russian and Eastern European markets, ensuring durability in extreme weather conditions.
- JIS G3101 SS400 – Ideal for engineering, shipbuilding, and seismic-resistant structures.
- ISIRI 1791 ST37, ST52 – Standard grades used in Iran’s construction and infrastructure projects.
Each grade is optimized for different structural applications, providing high yield strength, weldability, and impact resistance.
4. Optimized Chemical Composition of Iran Steel H-Beams
The chemical composition of Iran steel H-beams is carefully controlled to provide excellent mechanical properties and structural performance:
- Carbon (C): 0.17% – 0.30% (improves strength while maintaining weldability)
- Manganese (Mn): 0.50% – 1.70% (enhances impact toughness and durability)
- Silicon (Si): 0.10% – 0.50% (improves heat resistance and strength)
- Sulfur (S): ≤ 0.05% (controlled for weldability and toughness)
- Phosphorus (P): ≤ 0.04% (prevents brittleness and cracking)
- Chromium (Cr): ≤ 0.30% (increases corrosion resistance in marine environments)
- Nickel (Ni): ≤ 0.25% (improves structural stability in low-temperature conditions)
- Vanadium (V): ≤ 0.10% (enhances high-temperature strength and impact resistance)
This optimized composition ensures high load-bearing performance, corrosion resistance, and long-term durability, making Iranian H-beams suitable for complex engineering applications.
5. Mechanical Properties for Industrial Applications
Iran steel H-beams offer excellent mechanical properties, ensuring structural stability and high performance:
- Tensile Strength: 400 – 700 MPa
- Yield Strength: 250 – 450 MPa
- Elongation: ≥ 18%
- Impact Resistance: High toughness for seismic and dynamic loads
- Corrosion Resistance: Ideal for marine and industrial environments
- Fire Resistance: Suitable for high-temperature applications
- Fatigue Strength: Improved for repeated load applications in bridges and high-rise structures
These properties make Iranian steel H-beams a preferred choice for construction, shipbuilding, industrial machinery, and bridge engineering.
