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Stainless Steel Welded Pipe/Tube

Inconel Alloy 825 (UNS N08825) Stainless Steel Control Line/ Welded Coiled Tube

Applications:

Oil and Gas Industry: Commonly used as downhole tubing in sour gas wells, control lines, and chemical injection lines, especially where exposure to hydrogen sulfide (H₂S) and chlorides is expected.

Chemical Processing: Ideal for handling acids and aggressive chemicals, often used in heat exchangers, reactors, and tanks.

Marine Engineering: Suitable for subsea applications, providing excellent corrosion resistance in saltwater environments and offshore structures.

Pollution Control Equipment: Used in systems that handle acidic gases, including flue gas desulfurization and waste treatment.

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Description

Product material

Inconel Alloy 825 control lines and welded coiled tubes are designed for outstanding resistance to both reducing and oxidizing acids, making them ideal for corrosive environments. This nickel-iron-chromium alloy, stabilized with titanium, also contains molybdenum and copper, providing excellent corrosion resistance to sulfuric and phosphoric acids. Known for its durability in environments with chlorides and high-temperature conditions, Alloy 825 performs reliably in demanding applications across various industries.

Chemical Composition & Mechanical properties as per ASTM B163

 

Grade

CHEMICAL COMPOSITION(%)

C(max)

Mn(max)

S(max)

Si(max)

Ni

Cu

Cr

Mo

Fe(max)

Al(max)

Ti

N08825

0.05

1.0

0.03

0.50

38.0-46.0

1.5-3.0

19.5-23.5

8.0-10.0

5.0

0.2

0.6-1.2

Grade

Tensile Strength, min, ksi (MPa)

Yield Strength (0.2% offset),min, ksi (MPa)

Elongation in 2 in. or 50 mm (or 4D), min, %

Rockwell Harnese (or equivalent) for

annealed ends

N08825

85(586)

35(241)

30

-

Grade

Permissible Variations

Outside Diameter, in. (mm)

Wall Thickness, %

Average Wall

Minimum Wall

+

-

+

-

+

-

N08825(5/8” to 1 1/2”)

0.0075(0.19)

0.0075(0.19)

10.0

10.0

20.0

0

N08825(over 1 1/2” to 3”)

0.010(0.25)

0.010(0.25)

10.0

10.0

22.0

0

Shanghai Toko Technology Co.,ltd is a professional manufacturer of Inconel Alloy 825 (UNS N08825) Stainless Steel Control Line/ Welded Coiled Tube, dedicated to ensuring quality and reliability for your industrial applications.

About Us

Shanghai Toko Technology Co.,ltd.

Shanghai Toko Technology Co.,ltd. is professional Inconel Alloy 825 (UNS N08825) Stainless Steel Control Line/ Welded Coiled Tube Suppliers and Inconel Alloy 825 (UNS N08825) Stainless Steel Control Line/ Welded Coiled Tube Factory, located in Shanghai, China, and has been worked in the field of industrial piping for 11 years. We are committed to manufacturing and exporting stainless steel seamless pipe, stainless steel welded pipes, stainless steel fittings and flanges, nickel alloy products, Titanium seamless and welded tubes, etc. Our factories are all ISO&PED certificated, and the products can be produced in standard ASTM, JIS, DIN, EN, GOST, etc. Our products are widely used in the Oil and Gas, Petrochemical, Sugar Refining, Water Process, Desalination, Geothermal industry etc. We exported to dozens of countries and regions such as USA, Canada, Japan, Germany, France, Korea, Turkey ect.

Our Vision: To be an excellent supplier of global industrial piping system solutions.

Our Mission: To help global industrial pipeline construction with the products made in China.

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