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Help CenterCarbon Steel Round Rod for Structural Steel Fabrication ASTM A572 Grade 50
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Hemaokang Steel (Shandong) Co., Ltd. is a trusted supplier of high-quality carbon steel products, with an annual export value exceeding US$50 million and a dedicated team of 51–100 professionals. Our ASTM A572 Grade 50 Carbon Steel Round Rod is engineered for demanding structural steel fabrication projects, offering superior strength, weldability, and consistency. Whether you need beams, columns, or custom components, this round rod delivers reliable performance that meets the rigorous standards of the construction and infrastructure industries.
Manufactured in our Liaocheng, Shandong facility under strict ISO9001:2015 certified quality control, each rod is produced with precision to ensure dimensional accuracy and mechanical properties. We serve a global client base across North America, South America, Europe, Asia, Africa, and Oceania, providing tailored solutions for structural steel fabricators worldwide.
Key Features & Technical Specifications
- High Strength Grade 50: Minimum yield strength of 345 MPa and tensile strength of 450–550 MPa, ideal for load-bearing structures.
- Excellent Weldability: Low carbon content and controlled chemistry ensure easy welding without preheating for most applications.
- Consistent Dimensions: Diameter tolerance within ±0.5mm (customizable), surface finish options: black, bright, or galvanized.
- Versatile Sizes: Diameter range from 10mm to 300mm, lengths up to 12 meters or custom cut lengths.
- Corrosion Resistance: Optional coating or galvanizing for enhanced durability in harsh environments.
- Traceability: Each batch comes with mill test certificates (MTC) ensuring full chemical and mechanical property compliance.
| Parameter | Value |
|---|---|
| Standard | ASTM A572 Grade 50 |
| Material | Carbon Steel |
| Diameter Range | 10mm – 300mm |
| Length | 6m, 12m, or custom |
| Yield Strength (min) | 345 MPa |
| Tensile Strength (min) | 450 MPa |
| Elongation (min) | 21% in 200mm |
| Surface Finish | Black, Bright, Galvanized (optional) |
| Certification | ISO9001:2015, MTC provided |
Applications & Customer Benefits
This round rod is the preferred choice for structural steel fabrication in construction of high-rise buildings, bridges, industrial plants, and offshore platforms. The combination of high strength and good ductility allows designers to reduce material weight while maintaining structural integrity. Fabricators benefit from consistent machinability, reduced waste, and faster welding cycles.
Additional benefits include:
- Cost Efficiency: Competitive pricing without compromising on quality, backed by our large-scale production.
- Reliable Supply: Annual export value of US$50M–100M ensures stable inventory and timely delivery.
- Customization: We accept custom diameters, lengths, and surface treatments to meet specific project requirements.
- Technical Support: Our team of engineers provides guidance on material selection and fabrication techniques.
Trust & Assurance
Hemaokang Steel operates with a ISO9001:2015 certified quality management system, ensuring that every rod we ship meets the stringent ASTM A572 Grade 50 specifications. Our products have been supplied to major projects in North America, Europe, Southeast Asia, Africa, and the Middle East, earning a reputation for reliability and consistency. We are committed to 100% on-time delivery and offer flexible payment terms for long-term partners.
Contact us today to request a quotation or discuss your structural steel fabrication needs. Our team is ready to support you with samples, technical data sheets, and competitive pricing.
Frequently Asked Questions
-
Q: What is the difference between ASTM A572 Grade 50 and Grade 55?
A: Grade 50 has a minimum yield strength of 345 MPa, while Grade 55 requires 380 MPa. Grade 50 is more commonly used for general structural fabrication due to its balanced strength and weldability. -
Q: Can you provide mill test certificates for each batch?
A: Yes, we provide MTC (Mill Test Certificate) for every shipment, detailing chemical composition and mechanical properties. -
Q: What surface treatments are available?
A: Standard options include black (as-rolled), bright (cold drawn), and hot-dip galvanized. We can also apply oiling or passivation upon request. -
Q: Do you accept small orders for prototyping?
A: Yes, we accept orders of any quantity, from small samples to bulk container loads. Minimum order quantity may vary by size. -
Q: How do you ensure the rods are straight and have consistent dimensions?
A: We use automated straightening machines and laser measurement systems. Each rod is checked for straightness (within 1mm/m) and diameter tolerance. -
Q: What is the typical lead time for a standard order?
A: For standard sizes (10mm–100mm diameter), lead time is 2–3 weeks after order confirmation. Custom sizes may require 4–5 weeks. -
Q: Can these rods be used for welding without preheating?
A: Yes, ASTM A572 Grade 50 has low carbon equivalent value, making it suitable for welding with standard procedures. Preheating may be required for very thick sections below 0°C ambient temperature. -
Q: What is your export packaging standard?
A: Rods are bundled with steel straps, protected with plastic or woven bags, and packed in sea-worthy containers. Custom packaging is available for fragile surfaces.
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