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As a dedicated manufacturer since 2015, Hunan Yige Special Steel Science Technology Co., Ltd. leverages our 5,000-10,000 square meter facility in Changsha, China, to produce premium seamless round steel pipes with 3PE coating, specifically engineered for underground pipeline projects. With certifications including ISO9004 and ISO14000, we ensure each pipe delivers exceptional corrosion resistance and durability, reducing long-term maintenance costs for infrastructure developments worldwide. Our commitment to quality and innovation makes this product a reliable solution for demanding environments, backed by extensive experience in serving diverse markets across the globe.
This seamless round steel pipe features a robust 3PE coating that provides superior protection against soil corrosion, moisture, and chemical exposure, making it ideal for underground applications. Key advantages include:
- Enhanced longevity: The three-layer polyethylene coating significantly extends pipe lifespan, even in harsh underground conditions.
- Seamless construction: Ensures uniform strength and prevents leaks, enhancing safety for fluid transport.
- Easy installation: Lightweight yet durable design allows for straightforward handling and reduced labor costs.
- Environmental compliance: Meets ISO14000 standards for sustainable production, minimizing ecological impact.
Technical specifications are customizable to meet project requirements, with common parameters outlined below:
| Parameter | Typical Range |
| Outer Diameter | 10 mm to 2000 mm |
| Wall Thickness | 2 mm to 50 mm |
| Coating Thickness | 2.0 mm to 3.5 mm |
| Material Grade | Carbon Steel (ASTM A106) |
| Operating Pressure | Up to 20 MPa |
Clients benefit from reduced downtime and lower lifecycle costs due to the pipe's resistance to abrasion and cathodic disbondment. For instance, in water supply or oil and gas projects, this translates to fewer repairs and enhanced operational efficiency. Additionally, the pipe's adaptability allows for integration with various fittings and supports, facilitated by our customizable sizing options.
Trust in Hunan Yige's proven expertise, with ISO certifications and a global footprint spanning North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, and beyond. Our established presence since 2015, combined with rigorous quality control, ensures that every pipe meets international standards for reliability and performance. Choose our 3PE-coated seamless steel pipe for your underground projects to achieve cost savings and peace of mind—contact us today for a tailored quote and expert consultation.
Frequently Asked Questions
Q: What is 3PE coating, and how does it protect the pipe?
A: 3PE coating consists of three layers—fusion-bonded epoxy, adhesive, and polyethylene—that create a barrier against corrosion, moisture, and mechanical damage, extending pipe life in underground settings.
Q: Is this pipe suitable for high-pressure applications?
A: Yes, with customizable wall thickness and seamless design, it handles pressures up to 20 MPa, ideal for oil, gas, or water pipelines.
Q: What sizes are available, and can they be customized?
A: Standard diameters range from 10mm to 2000mm, but all dimensions are customizable upon request to fit specific project needs.
Q: How long does the coating last in underground environments?
A: Under typical conditions, the 3PE coating provides over 50 years of protection, reducing maintenance frequency and costs.
Q: What certifications does the product hold?
A: It complies with ISO9004 for quality management and ISO14000 for environmental standards, alongside other relevant industry certifications.
Q: Can this pipe be used in corrosive soil or coastal areas?
A: Absolutely, the 3PE coating offers excellent resistance to soil acids, salts, and chemicals, making it versatile for diverse terrains.
Q: What is the lead time for orders?
A: Lead times vary based on customization but typically range from 15-30 days; contact us for precise estimates.
Q: Are there options for different material grades?
A: Yes, we offer various steel grades like ASTM A106; discuss your requirements for tailored solutions.
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