Good Quality Underground Natural Gas Pipe - Fusion-Bonded Epoxy Coatings Awwa C213 Standard – Spiral

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The client satisfaction is our primary concentrate on. We uphold a consistent level of professionalism, top quality, credibility and service for China SPIRALLY WELDED STEEL PIPES ASTM A252 , Seam Welded Pipe , High-Quality Helical Seam Pipe , We are going to do our greatest to satisfy or exceed customers' prerequisites with excellent goods, advanced concept, and economical and timely company. We welcome all clients.

Good Quality Underground Natural Gas Pipe - Fusion-Bonded Epoxy Coatings Awwa C213 Standard – Spiral Detail:

Physical properties of epoxy powder materials

Specific gravity at 23℃: minimum 1.2 and maximum 1.8
Sieve analysis: maximum 2.0
Gel time at 200 ℃: less than 120s

Abrasive blast cleaning

Bare steel surfaces shall be abrasive blast-cleaned in accordance with SSPC-SP10/NACE No. 2 unless otherwise specified by the purchaser. The blast anchor pattern or profile depth shall be 1.5 mil to 4.0 mil(38 µm to 102 µm) measured in accordance with ASTM D4417.

Preheating

Pipe that has been cleaned shall be preheated at temperature less than 260℃, the heat source shall not contaminate the pipe surface.

Thickness

The coating powder shall be applied to the preheated pipe at a uniform cure-film thickness of not less than 12 mils(305μm) on the exterior or interior. The maximum thickness shall not exceed a nominal 16 mils(406μm) unless recommended by the manufacturer or specified by the pruchaser.

Optional epoxy performance testing

The purchaser may specify additional testing to establish epoxy performance. The following test procedures, all of which shall be performed on production pipe test rings, may be specified:
1. Cross-section porosity.
2. Interface porosity.
3. Thermal analysis (DSC).
4. Permanent strain (bendability).
5. Water soak.
6. Impact.
7. Cathodic disbondment test.

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Our primary objective is always to offer our clients a serious and responsible small business relationship, offering personalized attention to all of them for Good Quality Underground Natural Gas Pipe - Fusion-Bonded Epoxy Coatings Awwa C213 Standard – Spiral , The product will supply to all over the world, such as: Chile, Algeria, Maldives, Our factory insists on the principle of Quality First, Sustainable Development, and takes Honest Business, Mutual Benefits as our developable goal. All members sincerely thanks for all old and new customers' support. We will keep working hard and offering you the highest-quality products and service.Thanks.

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