Buy A572 S355JR Carbon Steel Bar for construction, structural, and heavy machinery. High strength, excellent weldability, and global grade certification.
The A572 S355JR Carbon Steel Bar is a high-performance structural-grade carbon steel bar that offers superior strength, weldability, and excellent toughness for heavy-duty applications. Specifically engineered to meet international standards like ASTM A572 Grade 50 and EN10025 S355JR, this bar is ideal for demanding industries such as construction, engineering, manufacturing, and infrastructure projects.
Superior Strength & Durability
Delivers high tensile strength, making it ideal for load-bearing and structural applications.
Excellent Weldability & Machinability
Engineered to maintain strength during welding, machining, and fabrication processes.
International Grade Compatibility
Meets both ASTM A572 Grade 50 and EN S355JR standards, making it globally recognized.
Toughness & Impact Resistance
Performs reliably even under dynamic loads, harsh weather, and heavy machinery stresses.
Corrosion Resistance (When Coated)
With proper surface treatment, offers extended corrosion protection.
Steel frameworks for bridges, buildings, and towers
Offshore oil and gas structures
Industrial heavy equipment frames
Large-scale crane booms
Mining and earth-moving machinery
Wind turbine structures
Pressure vessels and storage tanks
| Property | A572 Grade 50 | S355JR |
|---|---|---|
Standard | ASTM A572 | EN 10025-2 |
Yield Strength | ≥ 345 MPa | ≥ 355 MPa |
Tensile Strength | 450–630 MPa | 470–630 MPa |
Impact Toughness | Excellent at -20°C | Excellent at -20°C |
Formability | Excellent | Excellent |
Weldability | Excellent | Excellent |
Surface Finish | Hot Rolled / As Rolled / Custom | |
Sizes | 10mm to 400mm (Custom sizes available) | |
Lengths | Up to 12 meters (Custom cut-to-length available) |
Square Bar
Round Bar
Flat Bar
Custom Profiles available upon request
ASTM A572 Grade 50
EN 10025-2 S355JR
ISO 9001 Certified Production
Full Mill Test Certificates (MTC) available
Compliance with RoHS and REACH standards
Store indoors or under covered areas
Protect from moisture and contaminants
Use appropriate lifting equipment to prevent bending or scratching
Dual certification (ASTM & EN standards)
Strict quality control and full traceability
Superior mechanical properties for critical applications
Fast delivery and custom fabrication options
Competitive pricing with global shipping capability
Professional technical support for your project needs
It’s widely used in bridges, high-rise buildings, heavy equipment, offshore structures, and industrial machinery due to its high strength and toughness.
Yes, both A572 Grade 50 and S355JR have excellent weldability characteristics.
It offers significantly higher yield strength and better impact resistance, especially at low temperatures.
Yes, we provide custom cutting services according to your project requirements.
Yes, full Mill Test Certificates (MTCs) and compliance documentation are available upon request.
It meets both ASTM A572 Grade 50 and EN10025 S355JR standards.
These Product are packed using seaworthy export packaging to ensure protection during transit. Each coil is wrapped with waterproof paper, plastic film, and steel sheet, secured with high-tensile steel straps, and placed on wooden pallets for stability. Edge protectors are used to prevent damage. These Product are safely loaded for efficient domestic and international delivery, ensuring they arrive in perfect condition.
Generally, our delivery time is within 7-45 days, if there is a great demand or special circumstances, it may be delayed.
Each piece of products is manufactured by certified workshops, inspected by Linxu piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.
Yes absolutely we accept.
The sample could can provide for customer with free, but the courier freight will be covered by customer account.
Yes, we promise to provide best quality products and delivery on time. Honesty is our company’s tenet.
We are professional manufacturer with rich experience, and our company also is a very professional a trade company for steel products. We can also provide a wide range of steel products.
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