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Help CenterQ235B Carbon Steel Coil With Mill Test Report 2-12mm Thickness Width 1250mm
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Hemaokang Steel (Shandong) Co., Ltd., established in 2025, is a reliable supplier of high-quality carbon steel products. With an annual export value of US$50-100 million and a dedicated team of 51-100 employees, we are committed to delivering excellence. Our Q235B carbon steel coil, available in thicknesses from 2mm to 12mm and a standard width of 1250mm, comes with a comprehensive Mill Test Report (MTR) to ensure full traceability and compliance. This product is ideal for a wide range of industrial applications, offering consistent performance and cost-effectiveness.
Our Q235B coil is produced under strict quality control following ISO9001 standards, ensuring that every batch meets the required mechanical properties and chemical composition. The coil is hot-rolled, with a smooth surface and precise dimensions, making it easy to process for further fabrication. Whether you need it for structural components, automotive parts, or general engineering, this coil provides the strength and durability you expect.
Product Features & Technical Specifications
- Material Grade: Q235B – equivalent to ASTM A36, S235JR, or SS400, offering excellent weldability and formability.
- Thickness Range: 2mm to 12mm – flexible to meet diverse project requirements.
- Width: 1250mm – standard width for efficient handling and cutting.
- Surface Options: Black (as rolled), pickled, or oiled to prevent corrosion during transit.
- Mechanical Properties: Yield strength ≥ 235 MPa, Tensile strength 370–500 MPa, Elongation ≥ 26% (for thickness ≤ 16mm).
- Mill Test Report: Each coil is supplied with an MTR that documents chemical composition, mechanical test results, and heat number for full traceability.
- Packaging: Standard export seaworthy packaging – inner waterproof paper, steel strapping, and outer protective wrap to ensure safe delivery.
- Applications: Suitable for construction (beams, columns), bridges, vehicles, pressure vessels, and general fabrication.
| Parameter | Specification |
|---|---|
| Grade | Q235B (GB/T 3274) |
| Thickness | 2mm – 12mm |
| Width | 1250mm |
| Inner Diameter | 508mm or 610mm (optional) |
| Coil Weight | 3 – 15 tons per coil (customizable) |
| Surface Treatment | Black, pickled, or oiled |
| Certification | ISO9001, Mill Test Report |
Why Choose Our Q235B Carbon Steel Coil?
- Reliable Quality: Every coil is tested in our in-house laboratory to ensure compliance with mechanical and chemical standards.
- Traceability: The Mill Test Report provides complete transparency, giving you confidence in the material's origin and properties.
- Versatile Applications: Suitable for welding, bending, and stamping, making it a preferred choice for fabricators and manufacturers.
- Competitive Pricing: Direct from the mill, we eliminate middlemen to offer you factory-direct prices without compromising quality.
- Flexible Order Quantities: We accept small trial orders as well as large-volume contracts, with customized packaging options available.
Trusted by Global Markets
Hemaokang Steel (Shandong) Co., Ltd. has built a strong reputation across North America, South America, Europe, Africa, Oceania, the Middle East, and Asia. With an annual export value exceeding US$50 million, we serve clients in construction, energy, automotive, and infrastructure sectors. Our team of over 50 professionals ensures that every order is handled with care, from production to logistics. We are ISO9001 certified, which reflects our commitment to continuous improvement and customer satisfaction.
We understand that timely delivery and product consistency are critical for your projects. Our stock levels are maintained to support quick shipments, and we offer flexible payment terms such as T/T, L/C, and other arrangements upon request. Contact us today to request a quotation or to discuss your specific requirements. Let us be your trusted partner for carbon steel coil solutions.
Frequently Asked Questions (FAQ)
- Q: What is the difference between Q235B and Q235A? A: Q235B has stricter requirements for impact energy (27J at 20°C) compared to Q235A, making it more suitable for low-temperature applications and structural use.
- Q: Does the coil come with a Mill Test Report? A: Yes, every coil is supplied with a detailed Mill Test Report (MTR) that includes chemical composition, mechanical properties, and heat number.
- Q: Can you provide coils with custom thickness or width? A: For thickness, we can customize within 2-12mm; width options are available upon request, but 1250mm is the standard stock size.
- Q: What is the typical lead time for an order? A: For standard specifications, lead time is 15-20 days after receiving the deposit. Custom orders may take 25-30 days depending on quantity.
- Q: Is the coil suitable for welding? A: Yes, Q235B has excellent weldability and is commonly used in welded structures such as bridges, buildings, and pressure vessels.
- Q: What payment terms do you accept? A: We accept T/T (30% deposit, 70% before shipment), L/C at sight, and other negotiable terms for long-term partners.
- Q: How do you ensure the quality of the coil? A: We have a strict quality control system following ISO9001 standards, and each batch undergoes testing including tensile strength, yield point, elongation, and chemical analysis.
- Q: Can you provide samples before bulk order? A: Yes, we can provide small samples (e.g., 1m x 1m) at cost price, with freight paid by the buyer. Samples are available within 7 days.
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