N08825/Uns N08825 Nickel Alloy Tube

N08825/UNS N08825 Nickel Alloy Tube Introduction Super alloys have the ability to function at very high temperatures and mechanical stress, and also where high surface stability is required. They have good creep and oxidation resistance, and can be produced in a variety of shapes. They can be strengthened by solid-solution hardening, work hardening, and precipitation hardening.Super alloys consist of a number of elements in a variety of combinations to achieve the desired result. They are further classified into three groups such as cobalt-based, nickel-based, and iron-based alloys.Incoloy(r) alloy 825 is an austenitic nickel-iron-chromium alloy which is added with other alloying elements in order to improve its chemical corrosion resistant property. The following datasheet will provide more details about Incoloy(r) alloy 825.Chemical CompositionThe following table shows the chemical composition of Incoloy(r) alloy 825.

Element	Content (%)
Nickel, Ni	38-46
Iron, Fe	22
Chromium, Cr	19.5-23.5
Molybdenum, Mo	2.50-3.50
Copper, Cu	1.50-3.0
Manganese, Mn	1
Titanium, Ti	0.60-1.20
Silicon, Si	0.50
Aluminum, Al	0.20
Carbon, C	0.050
Sulfur, S	0.030

Physical PropertiesThe physical properties of Incoloy(r) alloy 825 are given in the following table.

Properties	Metric	Imperial
Density	8.14 g/cm³	0.294 lb/in³
Melting point	1385°C	2525°F

Mechanical PropertiesThe mechanical properties of Incoloy(r) alloy 825 are highlighted in the following table.

Properties	Metric	Imperial
Tensile strength (annealed)	690 MPa	100000 psi
Yield strength (annealed)	310 MPa	45000 psi
Elongation at break (annealed prior to test)	45%	45%

Thermal PropertiesThe thermal properties of Incoloy(r) alloy 825 are outlined in the following table.

Properties	Metric	Imperial
Thermal expansion co-efficient (at 20-100°C/68-212°F)	14 µm/m°C	7.78 µin/in°F
Thermal conductivity	11.1 W/mK	77 BTU in/hr.ft².°F

Other DesignationsOther designations that are equivalent to Incoloy(r) alloy 825 include:ASTM B163ASTM B423ASTM B424ASTM B425ASTM B564ASTM B704ASTM B705DIN 2.4858Fabrication and Heat TreatmentMachinabilityIncoloy(r) alloy 825 can be machined using conventional machining methods which are used for iron-based alloys. Machining operations are performed using commercial coolants. High-speed operations such as grinding, milling or turning, are performed using water-based coolants.FormingIncoloy(r) alloy 825 can be formed using all conventional techniques.WeldingIncoloy(r) alloy 825 is welded using gas-tungsten arc welding, shielded metal-arc welding, gas metal-arc welding, and submerged-arc welding methods.Heat TreatmentIncoloy(r) alloy 825 is heat treated by annealing at 955°C (1750°F) followed by cooling.ForgingIncoloy(r) alloy 825 is forged at 983 to 1094°C (1800 to 2000°F).Hot WorkingIncoloy(r) alloy 825 is hot worked below 927°C (1700°F).Cold WorkingStandard tooling is used for cold working Incoloy(r) alloy 825.AnnealingIncoloy(r) alloy 825 is annealed at 955°C (1750°F) followed by cooling.HardeningIncoloy(r) alloy 825 is hardened by cold working.ApplicationsIncoloy(r) alloy 825 is used in the following applications:Acid production pipingVesselsPicklingChemical process equipment.


 Stock

Form	Specification	Supply Form	Others
Sheet	Thickness:0.40-4.75mm,General Width:1000,1219,1500mm	Whole Coil or piece of it	Cold Annealed,Surface 2B,2E
Plate	Thickness:4.76-60mm,Width:1500,2000,2500mm,Length:3000,6000,8000,8500mm(Under 10mm plate can be coiled)	Whole Coil or piece of it	Single hot rolling,Solid solution annealed state,Surface 1D
Belt	Thickness:0.10-3.0mm,Width:50-500mm	Whole Coil or Specified size	Cold Annealed,Surface 2B,2E
Bar & Rod	Rolled barΦ5-45mm,Length≤1500mm	Polished Bar(circle,Square)	Solution annealing,descaling
	Forged barΦ26-245mm,Length≤4000mm
Weld tube	Outer diameterΦ4.76-135mm,Wall Thickness0.25-4.00mm,Length:≤35000 mm	Base on your requirement	Use for PHE
Seamless Tube	Outer diameterΦ3-114mm,Wall Thickness0.2-4.5mm	Base on your requirement	Use for PHE
Wire	Outer diameterΦ0.1-13mm	Base on your requirement	Ni & Ni alloy, Ti & Ti alloy
Forged piece	roundness and square alloy	Base on your requirement	Steel, Alloy
Flangs	All kinds of Flangs	Base on your requirement	Steel, Alloy
Welding Material	Coil wire Φ0.90mm/1.2mm/1.6mm	Base on your requirement	Certificate of Origin:America, Sweden, Britain, Germany, Austria, Italy, France.
	Straight WireΦ1.2mm/1.6mm/2.4mm/3.2mm/4.0mm
	Welding rodΦ2.4mm/3.2mm/4.0mm
Tube	Elbow, three links, four links, different diameter size	Base on your requirement	Ni & Ni alloy, Ti & Ti alloy
Explosive bonded laminate	Raw Sheet Thickness≥2mm	Base on your requirement	Ni & Ni alloy, Ti & Ti alloy

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Product Categories : Nickle Alloy