EN 10025-6 S690QL Round Bar – Gangsteel Group
Gangsteel Group is a leading supplier of EN 10025-6 S690QL round bar, offering high-strength, high-yield structural steel round bars produced in compliance with EN 10025-6:2004. S690QL is a quenched and tempered steel grade renowned for its exceptional strength, toughness, and weldability, making it ideal for demanding applications in construction, heavy machinery, and lifting equipment. As a trusted EN 10025-6 S690QL round bar supplier, Gangsteel ensures premium quality, precise dimensions, and competitive pricing for global industries.
Why Choose Gangsteel’s EN 10025-6 S690QL Round Bar?
- Exceptional Yield Strength: Minimum yield strength of 690 MPa allows for robust, lightweight designs with enhanced load-bearing capacity.
- Superior Toughness: Impact tested at -40°C, ensuring reliable performance in harsh environments.
- Excellent Weldability: Low carbon equivalent (CEV ~0.46%) facilitates welding with minimal preheating, reducing fabrication costs.
- Customizable Dimensions: Available in diameters from 10mm to 300mm and lengths up to 12000mm, tailored to project needs.
- Competitive Pricing: Prices range from US $900-1300 per metric ton (FOB), depending on diameter, length, and order volume.
Chemical Composition of EN 10025-6 S690QL Round Bar
The chemical composition of EN 10025-6 S690QL round bar is optimized for high strength and weldability, as per EN 10025-6:2004 (maximum percentages):
| Element | C | Si | Mn | P | S | Cr | Mo | Ni | V | Nb | Ti | Cu | N | B |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Max % | 0.20 | 0.80 | 1.70 | 0.025 | 0.015 | 1.50 | 0.70 | 2.00 | 0.12 | 0.06 | 0.05 | 0.50 | 0.015 | 0.005 |
Note: Grain-refining elements (Nb, Ti, V) enhance microstructure stability, improving strength and toughness.
Mechanical Properties of EN 10025-6 S690QL Round Bar
The mechanical properties of EN 10025-6 S690QL round bar ensure suitability for high-stress applications:
| Property | Value | Description |
|---|---|---|
| Yield Strength | ≥690 MPa (≤50mm) | Supports high-strength, lightweight designs |
| Tensile Strength | 770-940 MPa | Robust performance under extreme loads |
| Elongation | ≥14% | Ensures ductility for machining and fabrication |
| Impact Toughness | ≥30 J at -40°C (longitudinal) | Excellent performance in low temperatures |
| Hardness | ~250-290 HB | Quenched and tempered for enhanced durability |
Note: Properties may vary with diameter; values shown are for diameters up to 50mm.
Equivalent Material Table
EN 10025-6 S690QL round bar is comparable to other high-strength structural steels. Below are common equivalents:
| Standard | Equivalent Grade | Description |
|---|---|---|
| ASTM | A514 Grade B/F | High-strength, quenched, and tempered steel |
| JFE | HITEN 780LE | Japanese high-yield structural steel |
| Dillinger | DILLIMAX 690 | European high-strength steel |
| SSAB | WELDOX 700 | Swedish high-strength structural steel |
| Alform | ALFORM 700 | Austrian high-strength steel |
Note: Equivalents may vary slightly in composition and properties; consult Gangsteel for precise specifications.
Applications of EN 10025-6 S690QL Round Bar
EN 10025-6 S690QL round bar is widely used in:
- Construction: Structural components for bridges, high-rise buildings, and load-bearing frameworks.
- Heavy Machinery: Shafts, pins, and components for cranes, excavators, and mining equipment.
- Lifting Equipment: High-strength bars for hoists, winches, and rigging systems.
- Energy Sector: Components for wind turbine supports and offshore platforms.
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Frequently Asked Questions (FAQ)
What is EN 10025-6 S690QL round bar used for?
EN 10025-6 S690QL round bar is used in construction, heavy machinery, lifting equipment, and energy sectors due to its high yield strength and toughness.
How much does an EN 10025-6 S690QL round bar cost?
Prices typically range from US $900-1300 per metric ton (FOB), depending on diameter, length, and order volume. Contact Gangsteel for a customized quote.
Is EN 10025-6 S690QL round bar weldable?
Yes, EN 10025-6 S690QL round bar offers excellent weldability due to its low carbon equivalent, requiring minimal preheating with appropriate filler materials.
How does S690QL compare to S690QL1 round bar?
S690QL1 provides higher impact toughness at lower temperatures (-60°C vs. -40°C for S690QL), making it suitable for colder environments.
Where can I find a reliable EN 10025-6 S690QL round bar supplier?
Gangsteel Group is a trusted EN 10025-6 S690QL round bar supplier, offering high-quality bars with global delivery and competitive pricing.
Why Gangsteel?
- Extensive Inventory: Wide range of S690QL round bars in diameters from 10mm to 300mm and lengths up to 12000mm.
- Quality Assurance: Supplied with EN 10204 3.1/3.2 MTC certificates and tested for quality per international standards.
- Global Delivery: Serving markets in Saudi Arabia, UAE, India, Europe, and more.
- Custom Fabrication: Precision cutting, forging, and finishing to meet project specifications.
Contact Gangsteel
For inquiries about EN 10025-6 S690QL round bar pricing or to request a quote, visit Gangsteel Group or contact our sales team. Trust Gangsteel for premium S690QL round bars tailored to your project needs!