ASTM B163 B423 Nickel Alloy N08825 alloy825 Seamless Tubes Pipes Nickel Alloy825 2.4858 Tubing piping

ASTM B163 B423 Nickel Alloy N08825 alloy825 Seamless Tubes Pipes Nickel Alloy825 2.4858 Tubing piping

Key words

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Type of Material Grade:

UNS: N08825

EN Number: 2.4858

EN Name: NiFe30Cr21Mo3

W.Nr.: 2.4858

Alloy 825

Introduce:

ASTM B163 B423 ASME SB163 SB423, alloy 825,UNS N08825,W.Nr. 2.4858, N08825 Nickel Alloy Seamless Tubes Tubing Pipes is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium, is designed to provide exceptional resistance to many corrosive environments. The nickel content is sufficient for resistance to chloride-ion stress-corrosion cracking. The nickel, in conjunction with the molybdenum and copper, also gives outstanding resistance to reducing environments such as those containing sulfuric and phosphoric acids. The molybdenum also aids resistance to pitting and crevice corrosion. The alloy’s chromium content confers resistance to a variety of oxidizing substances such as nitric acid, nitrates and oxidizing salt. The titanium addition serves, with an appropriate heat treatment, to stabilize the alloy against sensitization to intergranular corrosion. The resistance of INCOLOY alloy 825 to general and localized corrosion under diverse conditions gives the alloy broad usefulness. Applications include chemical processing, pollution control, oil and gas recovery, acid production, pickling operations, nuclear fuel reprocessing, and handling of radioactive wastes. Applications for alloy 825 are similar to those for INCOLOY alloy 020.

The outstanding attribute of INCOLOY alloy 825 is its high level of corrosion resistance. In both reducing and oxidize environments, the alloy resists general corrosion, pitting, crevice corrosion, intergranular corrosion, and stress-corrosion cracking. Some environments in which INCOLOY alloy 825 is particularly useful are sulfuric acid, phosphoric acid, sulfur containing flue gases, sour gas and oil wells, and sea water.

Tinsi-steel Company profile

Wenzhou TINSI Stainless Steel Co., Ltd is one of the leaders manufacturer & stockist & exporters in stainless steel Pipes &Tubes.our team professional more than 20 years focus on manufacturing stainless steel tubes&pipes and Duplex steel tubes&pipes and Nickel alloy steel tubes&pipes in industrial pipes, precision pipes, sanitary pipes, capillary and needle pipe.

Our company and warehouse in Wenzhou，factory of industrial pipes moved to Songyang,in the stainless steel pipes&tubes that production and sell all control by self,Advanced technology and excellent quality with more than 1200 tons ready stock of industry pipes,offer best price with best services has made TINSI company a true performer in the market domestic.

in 2019，we start foreign business and believe keep always competitiveness that TINSI company will be a reliable partner for worldwide clients.In this new beginning, relying on the advantages of Wenzhou Stainless Steel Base, we also supplies various of stainless steel rods, plates, elbow tees, fittings, flanges, valves and other equipment supporting products for service better and convenient client.

Characteristic as below of ASTM B163 B423 ASME SB163 SB423 N08825 Nickel Alloy Seamless Tubes Tubing Pipes :

1. Good stress corrosion cracking resistance in chloride and sour (H2S/Cl-) environments

2. Superior resistance for pitting and crevice corrosion performance better than 316L Stainless Steel

3. Good anti-oxidation and non-oxidzing heat acid performance

4. Good mechanical performance in both room temperature and up to 550℃

5. Have the pressure vessel authenticate when manufacture temperature up to 450℃

6. Very good resistance to corrosion in acidic media such as sulfuric acid

7. Good Weldability

Table1.Chemical composition of ASTM B163 B423 ASME SB163 SB423 N08825 Nickel Alloy Seamless Tubes Tubing Pipes :

Table2.Mechanical properties of ASTM B163 B423 ASME SB163 SB423 N08825 Nickel Alloy Seamless Pipes Tubes Tubing Alloy minimum  in the room temperature:

N08825 Nickel Alloy Seamless Tubes Tubing Pipes Density: 8.1 g/cm³

N08825 Nickel Alloy Seamless Tubes Tubing Pipes Melting point: 1370-1400℃
Metallurgical structure N08825 Nickel Alloy: 825 is the face-centered cubic lattice structure.
Corrosion resistance of ASTM B163 B423 ASME SB163 SB423 N08825 Nickel Alloy Seamless Tubes Tubing Pipes:

825 is an all-purpose project alloy, have good corrosion resistance of the acid and alkali metal property in both oxidation and reduction environments. High nickel content made it with effective stress corrosion cracking resistance performance. 825 have excellent corrosion resistance in different kinds of media, is far superior to molybdenum alloyed steels such as 316L Stainless Steel, particularly when exposed such as sulfuric acid, phosphoric acid, nitric acid and organic acid, alkali metal such as sodium hydroxide, potassium hydroxide, and hydrochloric acid. A variety of media corrosion of nuclear-burning dissolver show 825 high integrated prpperty, like sulfuric acid, nitric acid and potassium hydroxide are all dealing in a same device.

Specification Standard of N08825 Nickel Alloy Seamless Tubes Tubing Pipes and others product:

Table3.ASTM specifications for Incoloy Alloy 825 UNS N08825.

Typical application range and field of ASTM B163 B423 ASME SB163 SB423 N08825 Nickel Alloy Seamless Tubes Tubing Pipes：UNS N08825,alloy 825 widely use in many kinds of industry field that the working temperature no more than 550℃.

1. Sulfuric acid factory usage for heating pipe, container, basket,chain and so on.
2. Cooling heat exchanger, marine product pipeline system and gas pipeline of acidic environment.
3. Heat exchanger, steam machine, washing, impregnation pipe, etc. for phosphoric acid produce
4. Oil refining in the air heat exchanger for crude oil and oil refineries, especially where high concentrations of hydrogen sulphide and chloride are present.
5. Food project
6. Chemical process
7. Application of high pressure oxygen flam-retardant alloy
8. Stainless Steel Reheater Tubes and Superheater Tubes for Boiler
At TINSI-STEEL Stainless Tubes, quality management begins way ahead of any production step.

From the selection of raw material suppliers up to the final quality tests in our own factory we thoroughly evaluate, test and control our products and processes, aiming at continuous improvements. For in process and acceptance inspection, the quality departments at the individual manufacturing centers have state of-the-art equipment at their disposal including mechanical workshops, tensile and impact testing machines, chemical laboratories for corrosion tests, equipment for hardness testing and metallographic inspection.We also have extensive facilities for non-destructive testing, including ultrasonic, eddy current, hydrostatic, positive mate- rial identification and dye penetrant testing.

If your company needs tubing, you can rely on TINSI company. Thanks to our precision engineered manufacturing procedures, we easily and effectively respond to our customers' requirements, no matter how stringent they may be. Innovations in processes allow us to continually expand the range of product solutions. TINSI-STEEL engineers closely follow each phase of production and testing to ensure nickel alloy seamless tubes pipes of superior performance.