High Corrosion Resistance Longitudinal Submerged Arc Welded Steel Pipe for Chemical Subsea Pipeline ODF A25-X80 GB/T9711 API 5L

• Compound Material: Steel Plastic Composite Pipe
• Material: PEX-Al-PEX
• Installation and Connection: Clamping Type Installation
• Technology of Plastic Composite Pipe: Internal and External Coating
• Base Pipe of Plastic Composite Pipe: Welded Steel Pipe
• Internal Coating Materials of Plastic Composite Pipe: Epoxy Resin Coating Steel Pipe
• Model NO.: DH-FFGG-TSGG
• Plastic Composite Pipe Coating Form: Inner and Outside Coating
• Plastic Composite Pipe Model: GS-—SP-T-EP
• Steel Skeleton PE Pipe Use: Municipal, Chemical, Oil Pipeline
• Steel Plastic Composite Pipe Model: GS-—SP-T-EP
• Connection Method: Flexible Socket Connection
• Composite Process: Inner Expoxy Outsaide Polyethylene Steel Pipe
• Coating Form: Inner and Outside Coating
• Cathodic Strippin: (65±3ºC,48h,-1.5V) ≤
• Bending Resistance: Strengthen Level:1.5°, No Crack
• Stamping Resistance: Strengthen Level:15j, No Leakage
• Fracture Surface Interstice: 1-3 Level
• Adhesion Strength: 1-2 Level
• Anti-Scratch(20ºC±3ºC): Strengthen Level(50kg):≤500μm,No Leakage
• Transport Package: Standard Package
• Specification: 6m, 12m or Upon your request
• Trademark: DHPI
• Origin: Shandong, China
• HS Code: 3917330000
• Production Capacity: 50000000 Tons /Year

Product Description

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Revolutionize your pipeline infrastructure with our Internal Epoxy External Double-layer Epoxy Coated Pipe, ensuring unparalleled protection and longevity.

Discover the exceptional durability and corrosion resistance of Shandong Donghong Pipe Industry Co., Ltd.'s Epoxy Coated Carbon Steel Conduit, engineered for robust and reliable pipelines.

Company Name: Shandong Donghong Pipe Industry Co., Ltd.

Benefits:

• Utilize high-quality powder coating for superior durability and lasting performance.
• Choose from a diverse selection of pipe sizes tailored to your specific needs.
• Benefit from various cutting-edge anti-corrosion methods for comprehensive and advanced protection.
• Experience the convenience and efficiency of our all-in-one enterprise solution.
• Depend on our reliable socket type anti-corrosion steel to ensure the utmost safety and security.

 

Product Description

 

Internal Epoxy External Double-layer Epoxy Coated Pipe
Our high-quality steel pipe serves as the robust base, meticulously coated with a premium layer of epoxy resin on both the inner and outer surfaces. This advanced thermal fusion process ensures exceptional durability, corrosion resistance, and superior performance, making it an ideal choice for a range of demanding applications.

Product Parameters

 

Nominal Diameter/ mm	Inner Coating Layer /mm	Outer coating layer,mm
		Ordinary level	Strengthen level
DN ≤65	>0.3	>0.6	>0.8
65≤DN≤150	>0.35	>0.8	>1.0
150≤DN≤300	>0.35	>0.8	>1.2
300≤DN≤800	>0.4	>1.0	>1.3
800≤DN≤1200	>0.45	>1.2	>1.8
1200≤DN≤3600	>0.45	>1.5	>1.8

 

Discover the Customizable Epoxy Coated Carbon Steel Conduit from Shandong Donghong Pipe Industry Co., Ltd., designed to meet a wide array of versatile requirements.

• Caliber Range: DN50 ~ DN3600, ensuring a perfect fit for your specific needs.
• Pipe Length: Available in lengths of 6 - 16 meters per piece, offering flexibility for various applications.
• Equipped with 2 Advanced Powder Coating Production Lines for top-notch quality.
• Featuring 12 State-of-the-Art Twin-Screw Extruders for consistent production.
• Achieving a flawless finish with Perfect Powder Coating technology.
• Exceptional Polyethylene Material Modification R&D and Production Capacity.
• Leading the industry as the Largest Variety Manufacturer of Powder Anticorrosion Processes.
• Versatile Methods: Suction Coating, Spraying, Rolling Coating, and Dip Coating to suit your project needs.
• Pioneering Integrated Large-Caliber Steel Pipe and Anti-Corrosion Processing.
• Ensuring Safety and Reliability with Socket Type Anti-Corrosion Steel solutions.

Product Features

 

Product Description:

Shandong Donghong Pipe Industry Co., Ltd. proudly presents a comprehensive range of anti-corrosion steel pipes tailored for diverse working conditions. Our innovative epoxy and plastic-coated pipes are essential for buried, trenchless traction, pipe jacking, and open-air applications. Explore our exceptional anti-corrosion solutions:

• Buried: Choose from inner epoxy outer PE, inner epoxy outer 3PE, inner epoxy outer 3PP, or fully inner and outer epoxy coated options.
• Pipe Jacking: Premium selections include inner epoxy outer 3PE, inner epoxy outer 3PP, and inner epoxy outer double layer epoxy.
• Trenchless Traction: Available configurations are inner epoxy outer 3PE, inner epoxy outer 3PP, and inner epoxy outer double layer epoxy.
• Open-air Application: Opt for inner epoxy outer anti-UV coated pipes.

Choose Shandong Donghong Pipe Industry Co., Ltd. for unparalleled anti-corrosion steel pipes designed to exceed your expectations.

 

Good compatibility and easy mending
Our double-layer epoxy features epoxy resin-based coatings for both inner and outer layers, ensuring seamless compatibility. Repairs are hassle-free using solvent-free epoxy coatings, guaranteeing excellent adherence.

 

Good cathodic protection
The double-layer epoxy coating integrates perfectly with cathodic protection systems, ensuring no shielding of cathodic protection.

 

Good flexibility and resistance to bending
Crafted from high molecular weight epoxy resin, our coating material boasts superior flexibility and outstanding resistance to bending.

 

Scratch Resistance
The outer layer is fortified with a modified epoxy coating containing special scratch-resistant materials, providing exceptional durability.

 

High Temperature Resistant
Our double-layer epoxy anti-corrosive steel pipes are engineered to withstand temperatures up to 110ºC with ease.

 

Connection Method

 

Our flexible cap and insert coated plastic steel pipe, crafted from premium quality steel, boasts an innovative design where one end is bevelled and the other is flared before being enveloped in a durable plastic coating. This advanced construction features a T-shaped rubber ring, mirroring the structure of spherical ink pipes, which seamlessly integrates with the cap and insert. This product not only retains the robust benefits of coated steel pipes but also inherits the swift and dependable connection attributes of ductile iron pipe flexible sockets and sockets. Together, these features offer a superior, synergistic advantage, ensuring unparalleled reliability and efficiency.

 

1.Socket Connection

2.Flange Connection

3.Clamp Connection

 

Appliation Cases

Company Profile

About Us

Shandong Donghong Pipe Industry Co., Ltd. (referred to as: Donghong Co., Ltd., stock code: 603856) is proudly headquartered in the historic city of Qufu, China, the birthplace of Confucius. As a premier engineering pipeline manufacturer, service provider, and general contractor, we specialize in delivering four distinct categories of functional and customized pipelines:

• Specialized pipelines for efficient rainwater and sewage diversion
• Tailored pipelines for municipal infrastructure projects
• Custom pipelines designed for industrial and mining sectors
• Pipelines engineered for national key engineering projects

We've cultivated a robust industrial ecosystem that includes design institutes, financial institutions, port logistics, construction units, and a network of upstream and downstream enterprises. Our mission is to ascend as a global leader in comprehensive pipeline system solutions, ensuring the advancement of intelligent pipelines that enrich human life and secure the integrity of pipeline transportation.

Shandong Donghong Pipe Industry Co., Ltd. boasts a distinguished team of over 200 R&D experts and holds a portfolio of more than 100 patents. Leveraging cutting-edge national R&D platforms like the National Enterprise Technology Center and CNAS Laboratory, Donghong leads the charge in digitalizing, informatizing, and transforming pipelines into intelligent systems. This pioneering role underpins the development of the engineering pipeline industry and supports critical national initiatives such as the South-to-North Water Diversion and urban water supply integration. Emphasizing innovation and excellence, Donghong is dedicated to advancing key strategic and public welfare projects.
 

Certifications

FAQ

 

1. Does your product meet international standards?
Our products have passed rigorous certifications such as CE, BV, ISO, and wars, demonstrating superior performance beyond standard requirements. Feel free to specify the national standard you need; we will verify or test it for you to ensure compliance.

2. What types of services do you offer?
As a manufacturing factory, we supply high-quality pipe products, fittings, packaging, and shipping services. In our role as a professional consultancy, we offer project consulting advice, comprehensive pipe system solutions, and expert design suggestions. As an engineering-focused enterprise, we provide pipeline contractor services, repair services, and free maintenance guidance.

3. Do you support OEM/ODM services?
Yes, we offer extensive customization options, including material, specification, logo, packaging, and connection methods. Our professional team provides tailored solutions for your specific projects, and we have a proven track record of successful implementations.

4. What are your terms of payment?
We accept T/T or L/C at sight.

5. How can you guarantee the quality of your goods?
We warmly invite all customers to visit our facility to inspect our goods firsthand. We also offer stringent testing according to customer requirements before the order is placed. Additionally, we can dispatch samples for pre-production testing to ensure product qualification.

Welcome to Shandong Donghong Pipe Industry Co., Ltd.

Shandong Donghong Pipe Industry Co., Ltd. proudly offers an extensive range of high-quality pipe products and fittings that comply with international standards. With prestigious certifications such as CE, BV, ISO, and wars, our products consistently exceed industry benchmarks. We are dedicated to delivering exceptional services, including project consulting, comprehensive pipe system solutions, expert design suggestions, pipeline contractor services, and efficient pipe repair services. We also support OEM/ODM services, allowing for diverse customization in material, specifications, logo, packaging, and connection methods.

For payment, we accept T/T or L/C at sight. To guarantee the quality of our products, we encourage customers to visit our facilities for an in-person inspection. We also provide thorough testing as per customer requirements before the order, and can offer samples for pre-production testing. Trust Shandong Donghong Pipe Industry Co., Ltd. for reliable, high-quality products and unparalleled services.