We Super Steel Manufacturing Co.,Ltd(SMC) are amongst the top manufacturers and suppliers for the seamless steel pipe, welded steel pipe, OCTG products and fittings from China. We have been manufacturing and supplying these products to the industry since 1993, and received repeat orders and appreciation from our valued customers.
High quality piping products from approved manufacturers.
In order to continuously improve our offerings to our clients, we have consistently improved and upgraded our manufacturing facility and can hence offer material with stringent requirements.
Over the years, Super Steel Manufacturing Co.,Ltd(SMC) has developed an enviable reputation for project management for the Oil & Gas, Construction, Power Energy, Marine & Offshore, Water Treatment, Exploration & Drilling Services, Pipeline & Petrochemical and other heavy industries.
The many years of experience that we have means that there is always someone who has the ability to carry a project forward.
Always up to date. In this column you can find the steel pipe related articles, including industry trends, product standards and materials, and some technical guidelines.
Spiral steel pipes play a crucial role in the transportation of various types of water, and their longevity and performance depend significantly on the type of anti-corrosion treatment applied. Depending on the water being transported—whether potable, sewage, or industrial—different coatings are employed to ensure safety, durability, and cost-effectiveness.
Anti-Corrosion for Drinking and Tap Water
For transporting drinking water or tap water, safety and hygiene are paramount. The inner wall of the spiral steel pipe is typically coated with IPN8710 non-toxic anti-corrosion material, known for its adherence to health standards and its ability to maintain water quality. For the outer wall, epoxy coal tar pitch anti-corrosion is often used due to its robust resistance to environmental factors like moisture and soil.
Alternatively, spiral steel pipes can be coated with internal and external plastic anti-corrosion layers or TPEP (three-layer polyethylene) anti-corrosion coatings. Both of these options ensure long-term durability and are suitable for drinking water pipelines, as they are non-toxic and prevent contamination or alteration of water quality.
Anti-Corrosion for Sewage and Industrial Water
When transporting sewage or industrial water, the anti-corrosion requirements are less stringent but still essential to protect the pipe from chemical and physical degradation. For such applications, both the inner and outer walls are commonly treated with epoxy coal tar pitch anti-corrosion coatings. This solution is popular for its affordability, ease of application, and excellent resistance to moisture and wear.
For those willing to invest in additional durability and advanced protection, plastic coatings or TPEP anti-corrosion treatments can also be applied. While more costly, these options provide enhanced resistance to chemical agents and mechanical wear, ensuring the pipe remains functional for a longer period.
Selecting the Right Treatment
The choice of anti-corrosion treatment depends on factors such as the type of water transported, environmental conditions, budget, and maintenance considerations. For potable water, prioritizing health-compliant coatings like IPN8710 is essential. For industrial or sewage applications, cost-effective solutions like epoxy coal tar pitch are typically sufficient, unless the environment demands higher-grade protection.
By tailoring the anti-corrosion treatment to the specific requirements of the pipeline, spiral steel pipes can deliver reliable performance while maintaining water quality and operational efficiency over time.
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