Inconel Alloys

Inconel Alloys

Inconel is an alloy that contains many nickels, and it is an anti-oxidation and corrosion-resistant material, which is very suitable for use in extreme environments subject to pressure and heat. When heated, Inconel will form a thick, stable passivation oxide layer to protect the surface from further erosion. Inconel maintains strength over a wide temperature range and is attractive for high-temperature applications where aluminum and steel creep due to thermally induced glass voids.

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About Inconel Alloys
      First, what are Inconel alloys?

Inconel is an alloy that contains many nickels, and it is an anti-oxidation and corrosion-resistant material, which is very suitable for use in extreme environments subject to pressure

and heat. When heated, Inconel will form a thick, stable passivation oxide layer to protect the surface from further erosion.

Inconel maintains strength over a wide temperature range and is attractive for high-temperature applications where aluminum and steel creep due to thermally induced glass voids.

The high-temperature resistance of Inconel is produced by solid solution strengthening or precipitation hardening, depending on the alloy.

      Secondly, Inconel nickel alloys are usually used for high-temperature applications. The models’ available common types of Inconel alloys or available as Inconel alloy suppliers  are:

INCONEL Nickel Alloy N07751, INCONEL 751, INCONEL 690, INCONEL Alloy 601, INCONEL 800, INCONEL 625, INCONEL 617, INCONEL 718 Nickel Alloy,

INCONEL Nickel Alloy 725, INCONEL 901, INCONEL A-286, INCONEL  Alloy X 750, INCONEL 926, INCONEL Nickel Alloy 800HT, Alloy 825 INCONEL, INCONEL Alloy 600,

INCONEL Alloy 800H, INCONEL 020, INCONEL Alloy C 276, INCONEL Nickel 925, etc.

      Finally, the products included in Inconel nickel alloy are:

Super nickel based alloys in pipes, bars, pipe fittings, flanges, sheets, strips, plates, round bars, flat steels, and wires, etc.

If you need them, please free to contact us. We can provide different grades and sizes for you, and have large stocks in our warehouse.

Inconel Alloys Comparison composition and performance, etc.

Part of the Inconel Alloys composition table

GradeCSiMnCrNiMoCoWAlCuTiFeOther(%)
N07751≤0.10≤0.010≤1.0014.0~17.0≥70.00.90~1.50≤0.502.00~2.605.00~9.00Nb 0.70~1.20,S≤0.01,Nb 2.50~3.50
INCONEL 751≤0.10≤0.010≤1.0014.0~17.0≥70.00.90~1.50≤0.502.00~2.605.00~9.00Nb 0.70~1.20,S≤0.01,Nb 2.50~3.50
Inconel Alloy 601≤0.10≤0.5≤1.521.0~25.058.0~63.0≤0.11.00~1.70≤1BalanceS≤0.015

PS≤0.02

Inconel 6900.0230.070.2330.39Balance0.220.020.268.88P:0.006

S:0.002

Inconel 718≤0.080≤0.35≤0.3517.0~21.050.0~55.02.8-3.3≤1.00.20~0.80≤0.300.7~1.15BalanceNb 4.75~5.5, S≤0.01
Inconel Nickel Alloy 800HT0.05-0.1 ≤1 ≤1.519.0~23.030.0~35.00.15~0.60≤0.750.16~0.6BalanceS≤0.015

 

Physical properties of Some Materials

GradesDensityMelting Point
Inconel 800HT 8.0 g/cm31350-1400 ℃
Inconel 926 8.1 g/cm31320-1390 ℃
Inconel Alloy 6008.4 g/cm31370-1425 ℃
Inconel Alloy 800H8.0 g/cm3 1350-1400 ℃
Inconel 6018.1 g/cm31320-1370℃

 

The minimum mechanical properties of Inconel nickel based alloys at room temperature:

GradesTensile strength Rm N/mm2Yield strength RP0.2N/mm2 ElongationA5 %
Inconel Alloy 800H T45018035
Inconel 92665029535
Inconel Alloy 800H45018035
Inconel Alloy 60165030030

 

Application of Incoloy Nickel Based Alloys in different Grades

Incoloy nickel alloySome applications
INCONEL Nickel Alloy 625Flue gas purifiers, super phosphoric acid, nuclear waste treatment, well equipment for the production of sour gas. Coastal and coastal piping systems.
INCONEL Alloy 601Combustion can liners and containment ring in jet engines. Process heaters, condenser tubes in sour water, combuster components, thermal reactors, and catalyst regenerators.
INCONEL Alloy 600Thermal processing, chemical and food processing, nuclear steam generators, and moderator coolers.
718 INCONEL Nickel AlloyLiquid-fuelled rocket components. Rings, casings, and formed parts for aircraft and land-based gas turbine engines. Cryogenic tankage.
INCONEL Alloy X 750Rotor blades, wheels, and bolts for gas turbines. Rocket0engine thrust chambers and large pressure vessels.
INCONEL Alloy 725Hangers, landing nipples, side pocket mandrels, and polished bore receptacles for sour-gas service. High-strength fasteners in marine applications.
INCONEL 690 AlloyExhaust gas reactors, heating coils, and nitric acid / hydrofluoric acid solution tanks for post-nuclear treatment in the production of stainless steel pickles and nitric acid.
INCONEL 693Reformer tubes,  thermocouple sheathing, tube ferrules, baffle plates, and valve components in synfuel and petrochemical processes.
INCONEL Alloy C 276Power station mobile gas desulfurization components, such as pipes and fans, lowering and air valves, dampers, scrubbers, fireplace chimney linings, and container shells.
INCONEL Alloy 800/HSteam generators and feedwater heaters in nuclear power plants are ammonia plants handling very high-temperature fluids.

Application of Inconel Nickel Based Alloys

Inconel Alloys based on nickel and chrome have excellent heat resistance and corrosion resistance, making them very attractive. Five industry applications for INCONEL alloy are briefly presented below.

Aerospace Engines and Aircraft

Nickel alloys are an option in the aerospace industry. Engine parts are mainly exposed to high temperatures and high pressure. What has been done should be against this place and maintain its strength and integrity. Nickel alloys show a small increase in these high temperatures, providing resistance that can fall under high loading conditions and are resistant to rot.

inconel alloy, inconel alloy 725, alloy 825 inconel, inconel alloy 800, inconel 718, types of Inconel alloys

The INCONEL Nickel alloy 600 is used, for example, in jet engines and in aircraft parts such as lock cables, light bulbs, and propellers. Although the INCONEL 601 compound is so powerful and easy to use, it can be used in a variety of aerospace applications.

Oil and gas production

Another major industrial use of INCONEL nickel alloys is in oil and gas testing. When choosing building materials, designers must consider many factors in this area. Temperatures can be very high and the materials processed or stored are flexible and corrosive.

inconel alloy, inconel alloy 725, alloy 825 inconel, inconel alloy 800, inconel 718, types of Inconel alloys

Superalloys such as INCONEL Alloy 625 are used to classify beverages found in LNG production and processing systems. This material has great fatigue resistance and heat resistance, as well as good oxidation resistance, high durability, cracking and cracking strength, and excellent durability. It is often used to move steel pipes to sour gas and gas plants.

Waste management and waste disposal

Waste management and waste disposal are difficult areas where things require hard work. There are naturally dangerous and destructive substances that must be stored, transported, and handled.

Therefore, alloys used in waste treatment systems must have excellent oxidation resistance and reduce acid solutions, as well as withstand the high temperatures experienced in the service without losing structural integrity or strength.

inconel alloy, inconel alloy 725, alloy 825 inconel, inconel alloy 800, inconel 718, types of Inconel alloys

A useful compound in this area is INCONEL Nickel Alloy C-276, which has good resistance to corrosion in these areas. The high content of molybdenum (15-17%) makes this mixture resistant to rust and rust. It also retains low carbon content and reduces carbide rainfall during welding to ensure that rust resistance is maintained in the weldment.

Shipping sector

INCONEL alloy has many applications for seawater. For example on marine platforms or power plants and medicinal plants that use seawater as a coolant. Seawater systems are the most destructive areas, but materials that should not be degraded under these conditions should be used.

inconel alloy, inconel alloy 725, alloy 825 inconel, inconel alloy 800, inconel 718, types of Inconel alloys

The INCONEL Nickel Alloys perform well in this worst-case scenario. For example, the famous INCONEL Alloy 625 is used to wear metal wires, propel blades, drive motors, and underwater communication wires. Other INCONEL nickel alloy series systems include landing machines, platform slopes, hangers, and high power bonds.

For guidance on choosing the right Inconel nickel based alloys for your application, please contact us.

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