DIN 2448 St37.0 Seamless Steel Pipe 4 Inch Sch 40 0.237 Wall
Product Spotlights
Hemaokang Steel (Shandong) Co., Ltd. is a trusted supplier of high-quality steel products, with an annual export value exceeding US$50 million. Our DIN 2448 St37.0 Seamless Steel Pipe 4 Inch Sch 40 0.237 Wall is manufactured to meet the stringent requirements of the European standard, widely used in pipeline systems for fluid transport, structural support, and industrial applications. With a wall thickness of 0.237 inches (6.02 mm), this pipe offers excellent strength and durability, making it a reliable choice for demanding environments.
Our seamless steel pipes are produced using advanced hot-rolling processes, ensuring uniform dimensions and superior mechanical properties. The material St37.0 (equivalent to S235JR) provides good weldability and machinability, while the Schedule 40 specification guarantees a consistent pressure rating suitable for moderate to high-pressure systems. Whether you need pipes for oil and gas, water supply, or construction, our product delivers consistent performance and long service life.
Key Product Features
- Material: St37.0 (DIN 17100) – equivalent to S235JR, offering a minimum yield strength of 235 MPa and good impact resistance.
- Manufacturing Process: Hot-rolled seamless – eliminates weld seams, providing uniform wall thickness and higher pressure handling capability.
- Dimensional Precision: Conforms to DIN 2448 with tight tolerances on outer diameter (±1%) and wall thickness (±12.5%).
- Surface Finish: Available in black, varnished, or hot-dip galvanized finish to resist corrosion and extend service life.
- Length Options: Standard 6 m or 12 m, with custom lengths available upon request.
- End Protection: Plastic caps on both ends to prevent damage during transit and storage.
- Certification: ISO9001:2015 certified, ensuring consistent quality management throughout production.
Technical Specifications
| Parameter | Value |
|---|---|
| Standard | DIN 2448 |
| Material Grade | St37.0 (DIN 17100) / S235JR (EN 10025) |
| Nominal Diameter | 4 inch (DN100) |
| Wall Thickness | 0.237 inch (6.02 mm) – Schedule 40 |
| Outer Diameter | 114.3 mm (4.5 inch nominal) |
| Length | 6 m / 12 m (customizable) |
| Surface Treatment | Black, Varnished, or Hot-dip Galvanized |
| Ends | Plain ends with plastic caps (beveled ends optional) |
| Packing | Bundles with steel straps or in containers |
Advantages and Customer Benefits
- Enhanced Safety: Seamless construction eliminates weak points, reducing the risk of leaks and failures in high-pressure systems.
- Cost-Effective: The 0.237-inch wall thickness provides an optimal balance between strength and material cost, suitable for many industrial applications.
- Easy Fabrication: St37.0 material offers excellent weldability and formability, allowing easy integration into existing pipelines or structures.
- Global Compliance: Meeting DIN 2448 and EN standards, our pipes are accepted in international projects across Europe, Americas, and Asia.
- Flexible Supply: We offer customized lengths, surface finishes, and packaging options to meet your specific project requirements.
- Reliable Logistics: With a team of 51-100 employees and annual export value of US$50-100 million, we ensure timely delivery and responsive after-sales support.
Hemaokang Steel is committed to delivering high-quality seamless steel pipes that meet the highest industry standards. Our ISO9001:2015 certification reflects our dedication to quality management and continuous improvement. With a strong presence in North America, South America, Europe, Southeast Asia, Africa, and Oceania, we have built a reputation for reliability and excellence. We invite you to experience the difference that precision engineering and customer-centric service can make in your next project. Contact us today for a quote or technical consultation.
Frequently Asked Questions (FAQ)
-
Q: What is the equivalent material grade for St37.0?
A: St37.0 is equivalent to S235JR under EN 10025 standard, with a minimum yield strength of 235 MPa. -
Q: Can you provide pipes with beveled ends for welding?
A: Yes, we offer beveled ends as a customization option. Please specify your requirements when placing an order. -
Q: What is the standard length? Can I order non-standard lengths?
A: Standard lengths are 6 m and 12 m. Custom lengths are available upon request, subject to minimum order quantities. -
Q: Do you offer surface treatment like galvanization?
A: Yes, we provide hot-dip galvanized or varnished finishes to enhance corrosion resistance. Please inquire about pricing and lead time. -
Q: Is the pipe suitable for high-pressure steam applications?
A: Schedule 40 pipes with 0.237-inch wall thickness are suitable for moderate pressure systems. For specific pressure ratings, please consult our technical team with your operating conditions. -
Q: How do you ensure the quality of the pipes?
A: Our production is ISO9001 certified. Each batch undergoes visual inspection, dimensional checks, and mechanical testing (tensile, hardness) to ensure compliance with DIN 2448. -
Q: What is the minimum order quantity (MOQ)?
A: Typical MOQ is 1 ton for standard sizes. For smaller quantities, please contact our sales team to discuss availability. -
Q: Can you provide a mill test certificate?
A: Yes, a mill test certificate (EN 10204 Type 3.1) is provided with each shipment to confirm material properties and traceability.
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