EN 10216-2 P235GH Carbon Steel Seamless Pipe, 6 Inch, 10.97mm WT, for High Temperature Service
Product Spotlights
Hemaokang Steel (Shandong) Co., Ltd. is proud to present our EN 10216-2 P235GH Carbon Steel Seamless Pipe, specifically engineered for high-temperature service. As a newly established yet rapidly growing enterprise (founded 2025) with an annual export value reaching US$50 million – US$100 million, we combine modern production capabilities with strict quality control to deliver reliable piping solutions. This 6-inch diameter pipe with a 10.97mm wall thickness meets the rigorous demands of boilers, pressure vessels, and superheater systems, ensuring long-term performance under elevated temperatures.
Key Features & Technical Specifications
- Material Grade: P235GH – a non-alloy quality steel specially designed for pressure equipment operating at high temperatures (up to 400°C).
- Standard: Fully compliant with EN 10216-2, covering seamless steel tubes for pressure purposes with specified elevated temperature properties.
- Dimensions: 6 inch (168.3mm) outer diameter with a 10.97mm wall thickness – providing excellent strength and corrosion resistance.
- Manufacturing Process: Hot rolled seamless, followed by heat treatment (normalizing) to refine grain structure and improve mechanical properties.
- Surface Finish: Options include black painting, varnish coating, or oiled surface to protect against rust during transport and storage.
- End Preparation: Available in plain end or beveled end to facilitate welding and installation.
| Parameter | Value |
|---|---|
| Outer Diameter | 168.3 mm (6 inch) |
| Wall Thickness | 10.97 mm |
| Length | 6 m / 12 m (custom lengths available upon request) |
| Yield Strength (min) | 235 MPa at room temperature |
| Tensile Strength | 360 – 480 MPa |
| Impact Energy (KV) | ≥ 27 J at 0°C (longitudinal) |
| Delivery Condition | Normalized (N) or as-rolled (optional) |
Superior Performance for High Temperature Applications
The P235GH grade is specifically formulated to maintain structural integrity under continuous elevated temperature operation. Key advantages include:
- Excellent creep resistance – the normalized microstructure minimizes deformation under sustained stress at temperatures up to 400°C.
- Good weldability – low carbon content (≤0.16%) and controlled silicon/manganese levels ensure trouble-free welding even in field conditions.
- Consistent mechanical properties – strict process control guarantees uniform hardness and ductility throughout the pipe length.
- Corrosion protection – optional coatings extend service life in harsh environments.
Rigorous Quality Assurance
Every pipe undergoes a comprehensive inspection regime including:
- Chemical composition analysis via spectrometer
- Tensile and impact testing at certified laboratory
- Hydrostatic pressure test (100% of pipes)
- Dimensional check (OD, WT, ovality, straightness)
- Non-destructive testing (ultrasonic or eddy current upon request)
Why Choose Hemaokang Steel?
Backed by ISO9001:2015 certification and a dedicated team of 51-100 experienced professionals, we have established a robust supply chain serving markets across North America, South America, Europe, Asia, Africa, and Oceania. Our annual export volume demonstrates our capability to handle large-scale orders with consistent quality and on-time delivery. We offer flexible packaging (bundled, crated, or in containers) and support third-party inspections to meet your specific requirements.
Contact our sales team today for competitive pricing and technical documentation. Whether you need standard lengths or custom dimensions, we are ready to provide a tailored solution for your high-temperature piping project.
Frequently Asked Questions
-
What is the maximum operating temperature for P235GH pipe?
P235GH is designed for service up to 400°C (752°F), as specified in EN 10216-2. For higher temperatures, please consult our technical team for alternative grades. -
Does this pipe require heat treatment before use?
Our standard delivery condition is normalized, which meets the requirements of most applications. If as-rolled condition is preferred, it can be arranged as an option. -
Can you provide custom lengths or cut-to-size service?
Yes, we can cut pipes to any length from 1m to 12m with precise tolerance. Please specify when placing an order. -
What welding procedures are recommended for P235GH?
Standard arc welding processes (SMAW, GMAW, TIG) with appropriate filler metals (e.g., ER70S-6) are suitable. Preheating may be required for thicker sections. Welding procedure qualification is available upon request. -
Is third-party inspection acceptable?
Absolutely. We welcome inspections by SGS, BV, Lloyds, or any accredited agency at your cost. Our facilities are open for audits. -
What is the typical lead time for a 20-ton order?
Lead time depends on current stock levels. Standard sizes usually ship within 7-15 working days. For large quantities, please allow 3-4 weeks. -
Do you provide material test certificates (EN 10204 3.1)?
Yes, we issue EN 10204 Type 3.1 certificates as standard, and Type 3.2 (inspection certificate by an independent body) is available on request. -
How is the pipe surface protected during sea freight?
We apply rust-preventive oil or varnish coating, plus pipe caps on both ends. For long-distance shipping, additional waterproof wrapping can be arranged.
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