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Help CenterHot Rolled Steel Coil for Construction Beams and Columns, ASTM A572 Grade 50, 6mm-25mm Thickness
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Hemaokang Steel (Shandong) Co., Ltd. proudly presents our premium Hot Rolled Steel Coil in ASTM A572 Grade 50, engineered specifically for demanding construction applications such as beams, columns, and structural frameworks. With our foundation established in 2025 and an annual export value exceeding US$50 million, we combine modern production capabilities with a dedicated team of 51–100 professionals. Our ISO9001-certified facility ensures every coil meets stringent quality standards, delivering reliable performance for projects across North America, South America, Europe, Asia, Africa, and Oceania.
This high-strength low-alloy steel coil offers an excellent balance of yield strength (≥345 MPa) and tensile strength (≥450 MPa), making it ideal for load-bearing members in commercial buildings, bridges, and industrial facilities. The thickness range of 6mm to 25mm provides versatility for both light and heavy structural sections. Each coil is hot-rolled to precise dimensions, ensuring consistent mechanical properties and weldability required by modern construction codes.
Key Features & Technical Specifications
- Grade & Standard: ASTM A572 Grade 50 – a recognized standard for high-strength structural steel.
- Thickness Range: 6mm to 25mm, customizable to your project needs.
- Width Options: Standard widths from 900mm to 2000mm; other widths available upon request.
- Surface Finish: Black (mill scale), pickled & oiled, or as required for further processing.
- Mechanical Properties: Minimum yield strength 345 MPa, tensile strength 450–620 MPa, elongation ≥21%.
- Chemical Composition: Controlled carbon (≤0.23%), manganese (≤1.35%), sulfur/phosphorus limits for weldability.
- Coil Weight: Up to 30 tons per coil to minimize handling and maximize production efficiency.
- Application: Designed for hot-rolled beams, columns, channels, angles, and heavy structural sections.
- Processing: Suitable for bending, punching, welding, and cutting into plates or strips.
- Quality Assurance: ISO9001-certified production process, with batch testing reports provided.
Typical Mechanical Properties (ASTM A572 Grade 50)
| Property | Value |
|---|---|
| Yield Strength (min) | 345 MPa (50 ksi) |
| Tensile Strength (min) | 450 MPa (65 ksi) |
| Elongation (min) | 21% (in 200mm gauge length) |
| Bending Test | Pass (180° flat bend, 1T radius) |
Our hot-rolled steel coils are manufactured using advanced continuous rolling mills, ensuring uniform thickness across the coil and consistent flatness. This translates to easier fabrication for your structural components – less waste, faster assembly, and reliable performance in the field. Whether you are producing H-beams for a high-rise building or columns for a bridge project, our A572 Grade 50 coils deliver the strength and ductility engineers trust.
Why Choose Hemaokang Steel?
- Proven Export Capability: With an annual export value of US$50–100 million, we serve global markets including North America, Europe, Southeast Asia, and the Middle East.
- Dedicated Quality System: ISO9001 certification guarantees strict control from raw material sourcing to final inspection.
- Customization Available: Thickness, width, coil weight, surface finish, and packaging can be tailored to your specific requirements.
- Prompt Delivery: Our location in Liaocheng, Shandong, a major steel hub, ensures efficient logistics to major ports (Qingdao, Tianjin).
- Technical Support: Our experienced team (51–100 employees) provides mill test certificates, material traceability, and application advice.
- Competitive Pricing: Direct factory pricing with flexible payment terms (T/T, L/C) – contact us for a quotation.
We understand that construction projects demand materials that meet both structural integrity and cost-efficiency. Our Hot Rolled Steel Coil ASTM A572 Grade 50 is the optimal choice for beams and columns because it offers high strength-to-weight ratio, reducing material usage without sacrificing safety. Additionally, the good weldability and formability allow for easy fabrication into complex shapes.
Trust Hemaokang Steel – we have already supplied over 100,000 metric tons of structural steel to satisfied customers worldwide. Our commitment to quality, on-time delivery, and after-sales support has built lasting partnerships. Whether you need a single coil or a long-term supply agreement, we are ready to serve you.
Ready to order or request a sample? Contact our sales team for a competitive quote. We provide mill test certificates, third-party inspection (SGS, BV upon request), and flexible shipping options. Choose Hemaokang Steel for your next construction project!
Frequently Asked Questions (FAQ)
Q1: What is the difference between ASTM A572 Grade 50 and Grade 60?
A: Grade 50 has a minimum yield strength of 345 MPa (50 ksi), while Grade 60 has 414 MPa (60 ksi). Grade 50 is more commonly used for general structural applications like beams and columns due to its excellent balance of strength and weldability.
Q2: Can these steel coils be cut to specific lengths or slit to narrower widths?
A: Yes, we offer custom processing including slitting, cutting to length, and edge trimming. Please advise your required dimensions, and we will provide a quotation.
Q3: Do you provide third-party inspection certificates?
A: Absolutely. We can arrange inspections by SGS, BV, or other accredited agencies at the buyer's cost. Standard mill test certificates are provided free of charge with every shipment.
Q4: What is the typical packaging for export?
A: Coils are hot-rolled, wrapped with waterproof paper, steel strapped, and can be packed with wooden pallets or steel frames as needed. Special packaging for sea freight is available upon request.
Q5: Is this steel suitable for welding without preheating?
A: Yes, ASTM A572 Grade 50 has a low carbon equivalent (CE) which makes it suitable for welding using standard procedures. For thicker sections (e.g., 20mm+), a slight preheat may be recommended per the welding code.
Q6: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is one full container load (approx. 25 metric tons). Smaller trial orders may be possible – contact us to discuss.
Q7: How long does delivery take?
A: For standard thicknesses (6-20mm), delivery is typically 15-25 days after order confirmation. Thicker sizes may require 25-35 days. Express shipping is available for urgent orders.
Q8: Do you offer any warranty on the material?
A: Yes, we provide a standard warranty that the material conforms to ASTM A572 Grade 50 specifications. Any deviation will result in replacement or refund as per our terms.
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