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Organic silicon high temperature and anti-corrosion steel pipe is a special steel pipe designed for extreme high temperature and corrosive environments. Its core anti-corrosion layer is composed of organic silicon resin and high temperature resistant materials. This type of steel pipe is usually composed of a working steel pipe, an organic silicon anti-corrosion layer, and an outer protective layer. It can withstand high temperatures of 200-1200 ℃ for a long time, and has characteristics such as oxidation resistance, chemical gas corrosion resistance, and resistance to cold and hot alternation. It is suitable for pipeline systems in industries such as petroleum, chemical, and power.
keyword Organic silicon high temperature and anti-corrosion steel pipe Category Anti-coating pipe name Related products Get a quoteOrganic silicon high temperature and anti-corrosion steel pipe
Organic silicon high temperature and anti-corrosion steel pipe is a special steel pipe designed for extreme high temperature and corrosive environments. Its core anti-corrosion layer is composed of organic silicon resin and high temperature resistant materials. This type of steel pipe is usually composed of a working steel pipe, an organic silicon anti-corrosion layer, and an outer protective layer. It can withstand high temperatures of 200-1200 ℃ for a long time, and has characteristics such as oxidation resistance, chemical gas corrosion resistance, and resistance to cold and hot alternation. It is suitable for pipeline systems in industries such as petroleum, chemical, and power.
Manufacturing process and anti-corrosion structure
The surface of the steel pipe needs to undergo strict sandblasting and rust removal treatment (reaching Sa2 or Sa2.5 level), followed by coating with multiple layers of anti-corrosion materials. Typical processes include the three oil two cloth structure of epoxy coal tar primer and topcoat, or the combination of organic silicon high-temperature resistant coating and ceramic composite layer. Some products combine polyurethane insulation layer, aluminum foil reflective layer, etc. to form a composite anti-corrosion insulation structure, enhancing impermeability and mechanical strength. The coating thickness is usually 0.5-1.0mm, with corrosion resistance and wear resistance.
Performance characteristics and advantages
High temperature resistance: The silicone coating remains stable at high temperatures and can withstand temperatures up to 1200 ℃, effectively preventing pipeline oxidation and thermal shock damage.
Long term anti-corrosion: The coating has strong sealing properties, blocking water, acid, alkali, and microbial erosion, especially suitable for chemical medium transportation.
Convenient construction: supports multiple processes such as spraying and brushing, solidifies at room temperature, dries quickly, and adapts to complex working conditions.
Environmental Protection and Safety: Some coatings have been certified for drinking water safety (such as F61 standard) and are suitable for use in water supply and drainage systems.
application area
Widely used in pipeline systems under high temperature and high pressure environments, including:
Oil and gas transmission pipelines
Steam pipelines and boiler systems in thermal power plants
High temperature flue and cracking tower for chemical equipment
Metallurgical industry blast furnace hot blast stove outer wall
Municipal heating pipeline network and directly buried insulation pipeline
Its anti-corrosion performance is particularly outstanding in corrosive scenarios such as acidic and alkaline soils and marine environments.
Construction and Testing Standards
Before construction, the surface of the steel pipe must be thoroughly cleaned to ensure no oil stains or rust. The coating needs to undergo salt spray resistance testing (to verify its resistance to chloride ion corrosion), temperature cycling resistance testing (to evaluate its thermal shock resistance), and adhesion testing. The epoxy coal tar anti-corrosion coating must also meet the GB/T 23257 standard, and the internal coating of drinking water pipelines must comply with the IPN8710 hygiene standard.
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