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Nickel Iron Chromium Alloy Circles Rings Discs Incoloy Alloy 825 UNS N08825

Categories Nickel Alloy Forging Ring
Brand Name: DINGSCO
Model Number: According to customers' requirements
Certification: ISO 9001:2015,PED 2014/68/EU,API 6A,API-20B,TSG,NORSOK
Place of Origin: China
MOQ: Negotiable
Price: Negotiable
Payment Terms: T/T
Supply Ability: Negotiable
Delivery Time: (Sample order) 7 days
Packaging Details: According to customers' requests
Product Name: Nickel Iron Chromium Alloy Circles Rings Discs Incoloy Alloy 825 UNS N08825
Material: Nickel Alloy Incoloy Alloy 825
Spec.: Customized
Grade: Inconel, Hastelloy, Waspaloy,Rene alloys
Shape: Ring/Circle/Disc/Sleeve/Hollow/Flat/Hex/Round/Plate/Block/Shaft,etc
Application: Aerospace,Power Generation,Automotive,Oil & Gas Industry
Process: Forging
Surface Treatment: As per your demands
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Nickel Iron Chromium Alloy Circles Rings Discs Incoloy Alloy 825 UNS N08825

Nickel Iron Chromium Alloy Circles Rings Discs Incoloy Alloy 825 UNS N08825


Incoloy 825, also known by its UNS designation N08825, is a nickel-iron-chromium alloy with additions of molybdenum, copper, and titanium. This composition provides Incoloy 825 with excellent resistance to corrosion and oxidation, along with high strength at both ambient and elevated temperatures. The material is particularly noted for its resistance to sulfuric and phosphoric acids, making it a popular choice for chemical processing applications. Here are more specific details about Incoloy 825 forging circles/rings:

Composition

  • Nickel (Ni): 38% - 46%
  • Chromium (Cr): 19.5% - 23.5%
  • Iron (Fe): 22% minimum
  • Molybdenum (Mo): 2.5% - 3.5%
  • Copper (Cu): 1.5% - 3%
  • Titanium (Ti): 0.6% - 1.2%
  • Small amounts of manganese, silicon, carbon, sulfur, and aluminium.

Properties

  • Density: Approximately 8.14 g/cm³
  • Melting Point: 1370°C - 1400°C (2500°F - 2550°F)
  • Excellent corrosion resistance in both reducing and oxidizing environments.
  • Good resistance to chloride-ion stress-corrosion cracking.
  • Maintains good mechanical properties at both high and low temperatures.

Forging Details for Circles/Rings

  • Forging Temperature Range: Typically forged at temperatures ranging from 870°C to 1180°C (1600°F to 2160°F).
  • Forging of Incoloy 825 should be followed by a suitable heat treatment process to achieve optimal mechanical properties and corrosion resistance.
  • Heat Treatment: After forging, Incoloy 825 can be annealed by heating at 940°C (1725°F) followed by cooling to enhance its ductility and to relieve internal stresses.
  • Machinability: While Incoloy 825 can be machined, its work-hardening rate and alloying elements mean it may require slower speeds, more power, and better tooling than simpler steels.

Applications

  • Chemical Processing: Used in reactors, columns, and piping for the processing of phosphoric and sulfuric acids.
  • Oil and Gas: Piping, valves, and other components exposed to corrosive offshore and sour gas environments.
  • Pollution Control Equipment: Flue gas desulfurization systems and scrubbers.
  • Marine: Propeller shafts, seawater piping systems, and heat exchangers.

Standards and Specifications

  • ASTM B425: Specification for rod and bar.
  • ASTM B564: Specification for nickel alloy forgings.
  • ASTM B423: Specification for seamless pipe and tube.
    These standards specify requirements for chemical composition, mechanical properties, heat treatment, and testing methods for Incoloy 825.
Incoloy 825 forging circles and rings are highly valued for their exceptional corrosion resistance, durability, and ability to perform in a broad range of temperatures and environmental conditions. They are a key component in many industries where corrosion resistance is paramount. Properly forged and heat-treated Incoloy 825 components can offer long service life in challenging environments.
GradeUNSDensity

Tensile Strength

(MPa min)

Yield Strength

(MPa min)

Reduction of Area min (%)Elongation min (%)Hardness (HRC)
INCOLOY 825N088258.14586MPa min241MPa min/30% minHRC 35 max

Chemical Composition(%):

NiCFeMnCrSMo
38.0-46.00.05max22.0min1.0max19.5-23.50.03max2.5-3.5
SiCuAlTi
0.5max1.5-3.00.2max0.6-1.2

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