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Help CenterStainless Steel Pipe for Oil & Gas, 316L Schedule 80, 12m Length, ASTM A312, 6000psi Rated
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Hemaokang Steel (Shandong) Co., Ltd. is proud to present our premium 316L Stainless Steel Pipe, Schedule 80, 12m Length, ASTM A312, 6000psi Rated — a high-performance solution engineered for the most demanding oil & gas, petrochemical, and industrial applications. With our ISO9001-certified manufacturing processes and a robust annual export value exceeding US$50 million, we deliver consistent quality that meets global standards. This pipe combines superior corrosion resistance, exceptional strength, and precise dimensional accuracy, making it the ideal choice for critical high-pressure systems.
Our 316L stainless steel pipe is manufactured using advanced seamless technology, ensuring a uniform wall thickness and a smooth internal surface that minimizes pressure drop and turbulence. The Schedule 80 wall thickness provides a significant safety margin for high-pressure operations, while the 12-meter length reduces the number of joints required, lowering installation time and potential leak points. Each pipe is fully traceable and tested to ASTM A312 specifications, guaranteeing reliable performance under extreme conditions.
Key Features & Technical Specifications
- Material: 316L (UNS S31603) — low carbon content enhances weldability and resistance to intergranular corrosion.
- Wall Thickness: Schedule 80 — provides higher pressure containment compared to standard schedules.
- Length: 12 meters (customizable up to 12.5m upon request) — reduces welding joints and installation costs.
- Pressure Rating: 6000 psi (based on ASTM A312 allowable stress) — suitable for high-pressure transmission lines.
- Standard: ASTM A312 / ASME SA312 — ensures chemical composition, mechanical properties, and dimensional tolerances.
- Surface Finish: Pickled and passivated (2B, BA, or bright annealed available) — improves corrosion resistance and aesthetic appearance.
- End Connections: Plain end (standard) or beveled end for welding (optional).
- Certifications: ISO9001:2015 compliant; mill test certificates available.
Dimensional & Mechanical Data (Typical Values)
| Nominal Size (NPS) | Outside Diameter (mm) | Wall Thickness (mm) | Weight per Meter (kg) | Pressure Rating (psi) |
| 2" | 60.3 | 5.54 | 7.48 | 6000 |
| 3" | 88.9 | 7.62 | 15.27 | 6000 |
| 4" | 114.3 | 8.56 | 22.32 | 6000 |
| 6" | 168.3 | 10.97 | 42.56 | 6000 |
*Other sizes available upon request. Pressure ratings based on ASTM A312 allowable stress at ambient temperature.
Why Choose Our 316L Schedule 80 Pipe?
- Superior Corrosion Resistance: 316L offers excellent resistance to chlorides, acids, and sour gas environments (H₂S), extending service life in oil & gas applications.
- High Strength-to-Weight Ratio: Schedule 80 wall provides robust mechanical integrity without excessive weight, facilitating easier handling and installation.
- Seamless Construction: No welded seams mean higher reliability under cyclic pressure and temperature fluctuations.
- Global Standards Compliance: ASTM A312 ensures tight dimensional control and consistent material properties, accepted by international inspection agencies.
- Cost-Effective Logistics: Standard 12-meter length optimizes shipping container utilization and reduces on-site welding.
For customers requiring shorter lengths or special end preparations, we offer customization options including cutting, threading, and grooving. Our technical team can provide detailed bending and welding recommendations to ensure seamless integration into your pipeline system.
Company Credentials & Trust Factors
As a newly established yet rapidly growing enterprise, Hemaokang Steel (Shandong) Co., Ltd. has already achieved an annual export turnover of US$50–100 million, serving clients across North America, South America, Europe, Africa, Oceania, the Middle East, and Asia. Our facility in Liaocheng, Shandong, China, is ISO9001 certified, and we maintain a strict quality management system from raw material sourcing to final inspection. Every pipe is accompanied by a Mill Test Certificate (MTC) per EN 10204 3.1, and we can arrange third-party inspection by SGS, BV, or TÜV upon request.
We ship from the Port of Qingdao with competitive lead times—typically 15–25 working days for standard sizes. Our team of 51–100 experienced professionals ensures prompt communication and after-sales support. Choose Hemaokang Steel for a reliable partner in your oil & gas pipeline projects. Contact us today for a quotation or technical consultation.
Frequently Asked Questions (FAQ)
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Q: What is the difference between 316 and 316L stainless steel pipe?
A: 316L has a lower carbon content (max 0.03%) compared to 316 (max 0.08%). This reduced carbon improves weldability and minimizes the risk of intergranular corrosion in high-temperature or corrosive environments, making 316L preferred for oil & gas applications. -
Q: Can this pipe be used for sour gas (H₂S) service?
A: Yes, 316L is widely used in sour service due to its resistance to sulfide stress cracking. However, for specific NACE MR0175/ISO 15156 compliance, please confirm with our technical team, as additional hardness controls may be required. -
Q: What is the maximum operating temperature?
A: ASTM A312 316L pipes are typically rated for continuous service up to 800°F (427°C). For higher temperatures, we recommend consulting with your engineering design, as pressure derating factors apply. -
Q: Do you provide custom lengths shorter than 12 meters?
A: Yes, we can cut pipes to any required length at the factory, with a minimum charge for cutting. Please specify your desired length when placing an order. -
Q: What is the lead time for a 20-foot container of this pipe?
A: For standard sizes (2"–6"), lead time is typically 15–20 working days. For larger diameters or special schedules, please allow 20–25 working days. We can expedite Rush orders upon request. -
Q: Is the pipe surface finish suitable for welding?
A: The standard pickled finish provides a clean surface for welding. If you require a specific surface preparation (e.g., bright annealed), we can offer that option. All pipes are free from oil, grease, and contaminants. -
Q: Do you offer third-party inspection?
A: Absolutely. We welcome inspection by SGS, BV, TÜV, or any agency you designate. The cost is typically included in the order for FOB Qingdao terms.
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