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Stainless Steel Coiled Tube Specification:

ASTM A249, ASTM A269

Grade: 304, 304L, 316L, 309/309S, 310/310S, 904L

Outer Diameter: 6.0mm to 25.0mm

Wall thickness: 0.3mm to 1.5mm

Length: 25meters to 1000meters per coil.

Heat Treatment: Inline bright annealing.

NDT: Pneumatic, E.T.
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Stainless steel is the abbreviation of stainless and acid-resistant steel. The steel grades that are resistant to weak corrosive media such as air, steam, and water, or have stainless properties are called stainless steel; The steel type is called acid-resistant steel.

In practical applications, the steel resistant to weak corrosion medium is often called stainless steel, and the steel resistant to chemical medium corrosion is called acid-resistant steel. Due to the difference in chemical composition between the two, the former is not necessarily resistant to chemical media corrosion, while the latter is generally stainless. The corrosion resistance of stainless steel depends on the alloying elements contained in the steel.

Stainless steel is often divided into: martensitic steel, ferritic steel, austenitic steel, austenitic-ferritic (duplex) stainless steel and precipitation hardening stainless steel, etc.
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Heat Exchangers: Stainless steel coiled tubes are widely used in heat exchangers for efficient heat transfer between two fluids, such as in HVAC systems, refrigeration units, and industrial processes.

Condensers: These tubes are commonly employed in condenser units to convert vapor into liquid by cooling it down, commonly found in air conditioning systems, refrigeration systems, and power plants.

Chemical Processing: Stainless steel coiled tubes find applications in the chemical industry for fluid transportation and processing in corrosive environments. They are used in reactors, distillation columns, and other equipment where resistance to chemicals is crucial.

Oil and Gas Industry: Stainless steel coiled tubes are utilized in the oil and gas sector for oil well drilling, production, and transportation. They are suitable for conveying various fluids, including oil, gas, and corrosive substances.

Beverage Industry:Stainless steel coiled tubes are extensively used in the beverage industry for various applications. They ensure hygienic fluid transportation and maintain the quality and taste of beverages. These coiled tubes are resistant to corrosion and provide excellent durability, making them ideal for processing, storage, and distribution of beverages.
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304: 304 stainless steel is resistant to corrosion and high temperature, and has good processing performance, so it is widely used in industry, furniture decoration industry and food and medical industry.

316L: Compared with conventional chromium-nickel austenitic stainless steel such as 304 stainless steel, 316L has better resistance to general corrosion, pitting corrosion and crevice corrosion. 316L has higher ductility, stress corrosion resistance, compressive strength and high temperature resistance.

309/309S: 309/309S stainless steel can withstand repeated heating below 980 °C, it has high high-temperature strength, oxidation resistance, and carburization resistance.

310/310S: 310/310S stainless steel is an austenitic chromium-nickel stainless steel, which has good oxidation resistance, corrosion resistance, high temperature resistance, and because of the higher percentage of chromium and nickel, it has much better creep strength and can continue to work at high temperatures,
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it also has good high temperature resistance. Due to the high content of Ni and Cr, it has good oxidation resistance, corrosion resistance, acid and alkali resistance, and high temperature resistance. The high temperature resistant steel pipe is specially used in the manufacture of electric furnace tubes and other occasions.

Duplex 2205: The yield strength of Duplex 2205 stainless steel is more than double that of ordinary austenitic stainless steel. This feature allows designers to reduce weight when designing products, making this alloy more price-competitive than 316, 317L. This alloy is especially suitable for use in the -50°F/+600°F temperature range.

Duplex 2507: Duplex 2507 is a ferritic-austenitic (duplex) stainless steel, which combines the most beneficial properties of many ferritic steels and austenitic steels. Due to the high content of chromium and molybdenum in this steel, it has extremely Good resistance to pitting corrosion, crevice corrosion and uniform corrosion. The dual-phase microstructure ensures that the steel has a high resistance to stress corrosion cracking, and its mechanical strength is also high.


Tube & tubing: ASTM A249, ASTM A269

Stainless Density:

0.286 lb/in3 (7.93g/cm3), 0.29 lb/in3 (7.98g/cm3)
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