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Help CenterSpiral Welded Carbon Steel Pipe 12mm Thickness Q235B SSAW for Water Supply
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Hemaokang Steel (Shandong) Co., Ltd. proudly presents our premium Spiral Welded Carbon Steel Pipe 12mm Thickness Q235B SSAW for Water Supply. As a dedicated manufacturer with over 50 experienced employees and an annual export value ranging from US$50 million to US$100 million, we ensure every pipe meets rigorous international standards. Our SSAW pipes are engineered for durability, corrosion resistance, and cost-effectiveness, making them the ideal choice for large-scale water supply projects, oil and gas transmission, and structural applications. With ISO9001 certification and a strong global presence spanning North America, South America, Europe, Southeast Asia, Africa, and Oceania, we deliver reliability you can trust.
Our 12mm thick Q235B steel pipes are manufactured using the advanced spiral submerged arc welding process, which provides superior weld integrity and dimensional accuracy. The Q235B grade offers excellent yield strength and weldability, ensuring long service life even under high pressure and harsh environmental conditions. Whether you need pipes for municipal water distribution, irrigation systems, or industrial fluid transport, our products are designed to perform.
Key Features & Technical Specifications
- Material Grade: Q235B carbon steel, ensuring high strength and good plasticity.
- Wall Thickness: 12mm, providing robust pressure resistance.
- Welding Process: Spiral submerged arc welding (SSAW) for uniform weld seam and high efficiency.
- Standard Compliance: Manufactured under ISO9001 quality management system, with optional compliance to ASTM A252, API 5L, or GB/T 9711 (upon request).
- Length: Standard 6m-12m, customizable to your project needs.
- Surface Treatment: Black painting, anti-corrosion coating (3PE, FBE, etc.), or galvanized as per requirement.
- End Preparation: Beveled ends for easy welding, or plain ends for coupling.
- Applications: Water supply, oil & gas transmission, structural piling, and drainage systems.
| Parameter | Specification |
| Outer Diameter | 219mm – 3620mm (customizable) |
| Wall Thickness | 6mm – 25mm (12mm as standard) |
| Yield Strength | ≥235 MPa (Q235B) |
| Tensile Strength | 370–500 MPa |
| Elongation | ≥26% |
| Hydrostatic Test | Available upon request |
Our SSAW pipes offer several advantages over seamless or ERW pipes for large-diameter applications. The spiral welding process allows for continuous production of long pipes with consistent wall thickness, reducing material waste and lowering overall costs. The 12mm thickness ensures excellent pressure-bearing capacity, making these pipes suitable for high-flow water supply systems where reliability is paramount. Additionally, the Q235B steel grade provides good low-temperature toughness, essential for projects in colder climates.
We understand that every project has unique requirements. That's why we offer customizable options including length, coating, end finish, and packing. Our team of engineers works closely with clients to ensure the pipes meet specific design codes and performance criteria. Whether you need pipes for a municipal water supply network in South America or a piling project in Southeast Asia, Hemaokang Steel has the capacity and expertise to deliver.
Quality control is at the heart of our manufacturing process. Each pipe undergoes rigorous inspections including dimensional checks, weld seam ultrasonic testing, and hydrostatic pressure tests. Our ISO9001-certified facility in Liaocheng, Shandong, operates with advanced production lines and skilled technicians. With an annual export value exceeding US$50 million, we have built long-term partnerships with clients across 10+ international markets. We are committed to providing competitive pricing without compromising on quality.
Frequently Asked Questions (FAQ)
-
Q: What is the minimum order quantity for this pipe?
A: Our MOQ is typically 10 tons for standard sizes. For smaller quantities, please contact our sales team for availability. -
Q: Can you provide pipes with anti-corrosion coating?
A: Yes, we offer 3PE, FBE, and other coatings as optional. Please specify your requirements when ordering. -
Q: What is the delivery time for a 20ft container?
A: Standard delivery time is 15-25 days after deposit, depending on order quantity and coating requirements. -
Q: Do you test the welds before shipment?
A: Absolutely. We perform 100% ultrasonic testing on all weld seams, and hydrostatic testing is available upon request. -
Q: Can you supply pipes with beveled ends for welding?
A: Yes, beveled ends are standard. We can also provide plain ends or threaded ends as per your project. -
Q: Is this pipe suitable for drinking water?
A: Yes, the Q235B material is safe for potable water when coated with a food-grade lining (optional). Standard black painting is for structural use. -
Q: What payment terms do you accept?
A: We accept T/T, L/C, and other negotiable terms for large orders. -
Q: Do you provide third-party inspection services?
A: Yes, we welcome inspections by SGS, BV, or other accredited agencies at client's cost.
Trust Hemaokang Steel – Your Reliable Partner in Steel Pipe Solutions
With a dedicated team of 51-100 employees and a strong export track record of US$50-100 million annually, we have the resources and expertise to fulfill your large-scale pipe requirements. Our ISO9001 certification ensures consistent quality, and our strategic location near Qingdao Port allows for efficient global shipping. We have successfully supplied projects in North America, South America, Eastern Europe, and beyond. Contact us today for a competitive quote or to discuss your specific water supply pipe needs. Let's build a lasting partnership.
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