A572 Gr.50 Structural Steel Bar is a high-strength, low-alloy structural steel product manufactured in compliance with ASTM A572 standards. It offers an excellent balance of strength, toughness, and weldability, making it a reliable choice for demanding engineering and construction projects. The material provides superior resistance to corrosion and abrasion, ensuring durability even in challenging environments.
All products from Jiangsu Cunrui Metal Products Co., Ltd. come with mill test certificates, third-party inspection reports, and complete traceability to guarantee quality and compliance with international standards. Our A572 Gr.50 Structural Steel Rod is widely recognized for its consistent mechanical properties, precise composition, and reliability in structural applications.
Key Features & Advantages
High Strength-to-Weight Ratio – Ensures structural efficiency with reduced material usage.
Excellent Weldability & Formability – Suitable for cutting, bending, drilling, and welding without compromising mechanical performance.
Superior Toughness – Provides reliable performance under impact loads and varying temperature conditions.
Certified Quality – Supplied with inspection reports, mill certificates, and third-party verification.
Corrosion & Wear Resistance – Extended service life compared to conventional carbon steel bars.
Product Applications
A572 Gr.50 Structural Steel Bar is widely used in:
Construction & Infrastructure – Bridges, highways, high-rise buildings, and heavy structures.
Machinery & Equipment – Frames, supports, and machine bases requiring high load capacity.
Shipbuilding & Offshore Projects – Components exposed to marine environments.
Energy & Mining Industry – Structural supports, pipelines, and heavy-duty equipment parts.
Product Specifications & Technical Data
|
Parameter |
Specification (Typical) |
|
Standard |
ASTM A572 / ASME SA572 |
|
Grade |
Gr.50 |
|
Material |
Low-alloy high-strength structural steel |
|
Diameter / Size Range |
10mm – 500mm (customized) |
|
Length |
1m – 12m (cut-to-length available) |
|
Yield Strength (min) |
345 MPa (50 ksi) |
|
Tensile Strength |
450–620 MPa |
|
Elongation |
≥18% |
|
Impact Test |
-20°C (optional Z-direction performance) |
|
Surface Condition |
Black, Polished, Pickled, Galvanized |
|
Certification |
EN 10204 3.1, SGS, BV, Lloyd's Register, etc. |
Customization Services
We provide flexible customization options for A572 Gr.50 Structural Steel Rod, including:
Special Sizes & Tolerances – Tailored to customer drawings.
Processing Options – Cutting, drilling, machining, welding, and hole punching.
Surface Treatment – Galvanizing, coating, polishing, and anti-rust oiling.
Material Alternatives – Multiple grades available upon request.
MOQ Flexibility – Small trial orders and bulk orders accepted.
Price & Delivery
Competitive Pricing – Cost-effective for both small and bulk orders.
Bulk Discounts – Attractive pricing for large-volume purchases.
Fast Delivery – Ready stock available for standard sizes.
Reliable Lead Time – 7–25 days depending on order quantity and customization.
Our Strength
Jiangsu Cunrui Metal Products Co., Ltd. operates a modern production facility equipped with advanced rolling, cutting, and heat-treatment lines. With a strong export track record across Europe, America, Middle East, and Asia, we supply high-quality A572 Gr.50 Structural Steel Bars to global markets. Our team ensures strict quality control, international certifications, and professional technical support to meet customer requirements.
Service & Support
Quick Response – Inquiries answered within 12 hours.
Technical Guidance – Professional recommendations for material selection.
Export-Standard Packaging – Bundled, seaworthy packing with protective covers.
After-Sales Guarantee – Replacement or refund available for quality issues.
Global Shipping – Reliable logistics partners for timely worldwide delivery.
FAQ
Q1: What standards does your A572 Gr.50 Structural Steel Bar meet?
A: Our products strictly follow ASTM A572 and equivalent international standards, with full certifications.
Q2: Can you provide third-party inspection?
A: Yes, SGS, BV, Lloyd's, and other independent inspections are available upon request.
Q3: Do you accept customized dimensions?
A: Absolutely, we provide cutting, machining, and tailor-made solutions as per customer drawings.
Q4: What is your minimum order quantity (MOQ)?
A: We accept flexible MOQs, starting from small trial orders.
Q5: How do you ensure product quality?
A: Every bar is supplied with mill test certificates, chemical composition reports, and mechanical property test data.
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