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Seamless Incoloy Alloy 825 pipe , Nickel Alloy Pipe ASTM B 163 / ASTM B 704

Seamless Incoloy Alloy 825 pipe , Nickel Alloy Pipe ASTM B 163 / ASTM B 704

  • Seamless Incoloy Alloy 825 pipe ,  Nickel Alloy Pipe ASTM B 163 / ASTM B 704
  • Seamless Incoloy Alloy 825 pipe ,  Nickel Alloy Pipe ASTM B 163 / ASTM B 704
  • Seamless Incoloy Alloy 825 pipe ,  Nickel Alloy Pipe ASTM B 163 / ASTM B 704
  • Seamless Incoloy Alloy 825 pipe ,  Nickel Alloy Pipe ASTM B 163 / ASTM B 704
  • Seamless Incoloy Alloy 825 pipe ,  Nickel Alloy Pipe ASTM B 163 / ASTM B 704
  • Seamless Incoloy Alloy 825 pipe ,  Nickel Alloy Pipe ASTM B 163 / ASTM B 704
Seamless Incoloy Alloy 825 pipe ,  Nickel Alloy Pipe ASTM B 163 / ASTM B 704
Product Details:
Place of Origin: China, USA, Korea, UE
Brand Name: YUHONG SPECIAL STEEL
Certification: ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number: INCOLOY800, INCOLOY 800H , INCOLOY 800HT, INCOLOY 825
Payment & Shipping Terms:
Minimum Order Quantity: 100KGS
Price: negotiable
Packaging Details: Ply-wooden Case /Iron Case/ Bundle with plastic Cap
Delivery Time: 10days->
Payment Terms: T/T, L/C
Supply Ability: 1500 tons per month
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Detailed Product Description
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Seamless Incoloy Alloy 825 Nickel Alloy Pipe ASTM B 163 / ASTM B 704

 

 

 

Incoloy Alloy 825

 

Common Trade Names: Incoloy 825, Alloy 825, Nickelvac 825, Nicrofer 4241.

INCOLOY alloy 825 (UNS N08825, W.Nr. 2.4858) is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium. 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.

 

Specifications

INCOLOY Alloy 825 is designated as UNS N08825 and Werkstoff Number 2.4858. It is listed in NACE 

MR0175 for oil and gas service. 

Rod, Bar, Wire and Forging Stock: BS 3076NA16, ASTM B 425, ASTM B 564, ASME SB 425, ASME 

SB 564, ASME Code Case N-572, DIN 17752, DIN 17753, DIN 17754, VdTÜV 432, ISO 9723, ISO 9724, 

ISO 9725.

Plate, Sheet and Strip: BS 3072NA16, BS 3073NA16, ASTM B 424, ASTM B 906, ASME SB 424, ASME 

SB 906, DIN 17750, VdTÜV 432, ISO 6208.

Pipe and Tube: BS 3074NA16, ASTM B 163, ASTM B 423, ASTM B 704, ASTM B 705, ASTM B 751, 

ASTM B 775, ASTM B 829, ASME SB 163, ASME SB 423, ASME SB 704, ASME SB 705, ASME SB 751, 

ASME SB 775, ASME SB 829, ASME Code Case 1936, DIN 17751, VdTÜV 432, ISO 6207.
Others: ASTM B 366, ASME SB 366, DIN 17744 

 

Chemical Composition

Nickel..........................................................................38.0-46.0
Iron...............................................................................22.0min.
Chromium....................................................................19.5-23.5 
Molybdenum ...................................................................2.5-3.5 
Copper............................................................................1.5-3.0
Titanium...........................................................................0.6-1.2
Carbon........................................................................0.05 max. 
Manganese...................................................................1.0max. 
Sulfur..........................................................................0.03max. 
Silicon...........................................................................0.5max.
Aluminum......................................................................0.2 max.

 

INCOLOY 825 SEAMLESS TUBES
UNS No: UNS N08825
Werkstoff Nr: 2.4858

The above names are trade names and/or trademarks of specific manufactures including Special Metal Corporation. Prosaic Steel & Alloy is not affiliated with any manufacturer(s). Orders will be filled to meet specifications from any available source(s). Names are listed solely for reference to help identify products consistent with listed specificationsto help identify products consistent with listed specifications.
Specifications  Incoloy 825 Tubes- UNS N08825

Product Range -Seamless tubes 6 mm OD x 0.7 mm to 50.8 mm OD x 3 mm thk.
Specifications - B 163 / B 423.

Finish Conditions- Cold Drawn Solution Annealed & Pickled / Cold Drawn Bright annealed / NACE MRO 175
Seamless Incoloy Alloy 825 pipe ,  Nickel Alloy Pipe ASTM B 163 / ASTM B 704 0

 

Incoloy alloy 825 is a nickel-iron-chromium alloy with additions of copper, molybdenum and titanium. The alloy's chemical composition 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 nitrates, nitric acid and oxidizing salts. The titanium addition serves, with an appropriate heat treatment, to stabilize the alloy against sensitization to intergranular corrosion. The resistance of Incoloy 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.
.The outstanding property of Incoloy 825 is its corrosion resistance. In reducing & oxidising conditions, Incoloy 825 resists general corrosion, pitting & crevice corrosion, intergranular corrosion and stress corrosion cracking. It is particularly useful in sulphuric & phosphoric acids, sulphur containing flue gases, sour gas and oil wells and sea water.
Incoloy 825 is approved for pressure vessel operating temperatures up to 525C (AS1210, AS4041), 538C (ASME Boiler & Pressure Vessel Code, Sections I, III, VIII, IX, Cases 1936, N-188). Brittle phases may form in alloy 825 at temperatures above ~ 540C, so it is not normally used at these temperatures, where creep-rupture properties would be design factors.
Chemical Composition of Incoloy Alloy 825
Table 1. Chemical composition of Incoloy Alloy 825 (ASTM B163  Heat exchanger tube)

 


Element

%

Element

%

Nickel

38.0--46.0

Carbon

0.05 max

Chromium

19.5--23.5

Manganese

1.0 max

Molybdenum

2.5--3.5

Sulfur

0.03 max

Copper

1.5 --3.0

Silicon

0.5 max

Titanium

0.6--1.2

Aluminium

0.2 max

Iron

22.0 min (~33%)

 

 

 

Tensile Properties of Incoloy Alloy 825
Table 2. Typical room temperature tensile properties (not for design. Consult the relevant material or product specification for design values)

 


Form

 

Condition

0.2% Proof Stress
MPa

 

Tensile Strength
MPa

 

Elong
%

Tube

 

Annealed

440

 

770

 

35

Tube

 

Cold drawn

880

 

1000

 

15

 

Corrosion Resistance
The outstanding property of Incoloy 825 is its corrosion resistance. In reducing & oxidising conditions, Incoloy 825 resists general corrosion, pitting & crevice corrosion, intergranular corrosion and stress corrosion cracking. It is particularly useful in sulphuric & phosphoric acids, sulphur containing flue gases, sour gas and oil wells and sea water.

Incoloy 825 can be readily hot or cold worked. Hot working should be in the range 870  1180C, finishing at 870  980C. For maximum corrosion resistance hot worked parts should be stabilise annealed before use. The alloy is easier to cold form than stainless steels.
Heat Treatment
Incoloy 825 is stabilise annealed at 940C. The softest structure is obtained at 980C. Sections heavier than sheet, strip and wire should be quenched to avoid sensitisation.
Application
Incoloy 825 is the material of choice in a wide variety of applications up to a temperature of approximately 550C (1020F),

  • Chemical Processing
  • Nuclear Fuel Reprocessing
  • Acid Production
  • Pickling Equipment

 

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