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Inconel Alloy 600

Composition

Nickel (72%), Chromium (14-17%), Iron (6-10%)

Properties

Excellent oxidation resistance at high temperatures
Good corrosion resistance in a wide range of environments
High mechanical strength and good fabricability

Applications

Heat treating equipment, chemical processing, nuclear reactors, aerospace



Inconel Alloy 601

Composition

Nickel (58-63%), Chromium (21-25%), Iron (balance)

Properties

Excellent oxidation resistance up to 1200°C (2200°F)
Good resistance to aqueous corrosion
High mechanical strength and creep resistance

Applications

Furnace components, gas turbine components, heat treating equipment



Inconel Alloy 706

Composition

Nickel (39-44%), Chromium (15-17%), Iron (balance), Niobium, Titanium, Aluminum

Properties

Precipitation-hardenable alloy with excellent mechanical properties
Good weldability and resistance to stress corrosion cracking

Applications

Turbine discs, compressor discs, shafts in gas turbines



Inconel Alloy 725

Composition

Nickel (55-59%), Chromium (19-22.5%), Iron (balance), Molybdenum, Niobium, Titanium

Properties

Excellent resistance to stress corrosion cracking and pitting
High strength and toughness in both welded and unwelded conditions

Applications

Oil and gas industry components, fasteners, downhole equipment



Inconel Alloy 740H

Composition

Nickel (48-52%), Chromium (24-26%), Iron (balance), Cobalt, Molybdenum, Titanium

Properties

Excellent high-temperature strength
Good oxidation resistance at elevated temperatures
Used in high-efficiency power plant applications

Applications

Advanced ultra-supercritical (A-USC) power plant components



Inconel Alloy X-750

Composition

Nickel (70%), Chromium (14-17%), Iron (5-9%), Aluminum, Titanium

Properties

Precipitation-hardenable with excellent strength at high temperatures
Good oxidation and corrosion resistance
Maintains strength up to 700°C (1300°F)

Applications

Gas turbine components, springs, nuclear reactors, aerospace



Inconel Alloy 751

Composition

Nickel (70-75%), Chromium (14-17%), Iron (5-9%), Aluminum, Titanium

Properties

Similar to X-750 but with enhanced resistance to creep and oxidation
Good mechanical properties at elevated temperatures

Applications

Exhaust valves in internal combustion engines, gas turbines



Inconel Alloy 783

Composition

Nickel (46-50%), Chromium (20-24%), Iron (balance), Aluminum, Titanium, Niobium

Properties

Low coefficient of thermal expansion
High strength and oxidation resistance at high temperatures
Excellent creep-rupture strength

Applications

Gas turbines, aerospace components, high-temperature fasteners



Inconel Alloy 22

Composition

Nickel (56%), Chromium (20-22.5%), Molybdenum (12.5-14.5%), Iron (3-6%)

Properties

Excellent corrosion resistance in oxidizing and reducing environments
Resistant to pitting and crevice corrosion
Good mechanical properties at both high and low temperatures

Applications

Chemical processing, pollution control equipment, waste treatment



Inconel Alloy 617

Composition

Nickel (44.5-61%), Chromium (20-24%), Cobalt (10-15%), Molybdenum (8-10%)

Properties

Excellent high-temperature strength and oxidation resistance
Good resistance to a wide range of corrosive environments

Applications

Gas turbines, heat exchangers, chemical processing, nuclear reactors



Inconel Alloy 625

Composition

Nickel (58% minimum), Chromium (20-23%), Molybdenum (8-10%), Iron (5% maximum)

Properties

Outstanding fatigue and thermal-fatigue resistance
Excellent oxidation and corrosion resistance
High tensile, creep, and rupture strength

Applications

Aerospace, chemical processing, marine, nuclear reactors



Inconel Alloy 625LCF

Composition

Similar to Inconel 625 but optimized for low cycle fatigue

Properties

Enhanced fatigue resistance
Excellent corrosion and oxidation resistance
Good mechanical properties at both elevated and cryogenic temperatures

Applications

Aerospace components, bellows, expansion joints



Inconel Alloy 693

Composition

Nickel (58% minimum), Chromium (28-31%), Iron (balance), Aluminum, Niobium

Properties

Exceptional resistance to metal dusting
Good resistance to high-temperature corrosion
Suitable for high-temperature environments

Applications

Petrochemical processing, gas turbine components, industrial heating



Inconel Alloy C-276

Composition

Nickel (57% minimum), Molybdenum (15-17%), Chromium (14.5-16.5%), Iron (4-7%)

Properties

Excellent corrosion resistance in reducing and oxidizing environments
Resistant to pitting, stress corrosion cracking, and crevice corrosion
Good fabricability and weldability

Applications

Chemical processing, pollution control, flue gas desulfurization systems



Inconel Alloy G-3

Composition

Nickel (42-49%), Chromium (21-23.5%), Iron (balance), Molybdenum, Copper

Properties

Good resistance to reducing environments and oxidizing acids
Excellent resistance to stress corrosion cracking
Good weldability

Applications

Chemical processing, pollution control, acid production, flue gas desulfurization systems



Inconel Alloy HX

Composition

Nickel (47-53%), Chromium (20.5-23%), Iron (balance), Molybdenum (8-10%)

Properties

High strength and oxidation resistance at elevated temperatures
Good resistance to carburization and nitridation

Applications

Gas turbines, industrial heating, chemical processing



Inconel Alloy N06230

Composition

Nickel (57-63%), Chromium (20-24%), Tungsten (14%), Molybdenum (up to 5%)

Properties

Excellent oxidation resistance at high temperatures
Good creep and fatigue resistance
Suitable for long-term use at temperatures up to 2100°F (1150°C)

Applications

Gas turbines, industrial heating, chemical processing, aerospace


Alloy Composition Properties Applications
Inconel 600 Ni (72%), Cr (14-17%), Fe (6-10%) Excellent oxidation and corrosion resistance, high mechanical strength Heat treating equipment, chemical processing, nuclear reactors, aerospace
Inconel 601 Ni (58-63%), Cr (21-25%), Fe (balance) Oxidation resistance up to 1200°C, good aqueous corrosion resistance, high mechanical strength Furnace components, gas turbines, heat treating equipment
Inconel 706 Ni (39-44%), Cr (15-17%), Fe (balance), Nb, Ti, Al Precipitation-hardenable, excellent mechanical properties, good weldability Turbine discs, compressor discs, shafts in gas turbines
Inconel 725 Ni (55-59%), Cr (19-22.5%), Fe (balance), Mo, Nb, Ti High strength, excellent corrosion resistance, resistant to stress corrosion cracking Oil & gas components, fasteners, downhole equipment
Inconel 740H Ni (48-52%), Cr (24-26%), Fe (balance), Co, Mo, Ti High-temperature strength, good oxidation resistance Advanced ultra-supercritical power plant components
Inconel X-750 Ni (70%), Cr (14-17%), Fe (5-9%), Al, Ti Precipitation-hardenable, excellent high-temperature strength, good oxidation and corrosion resistance Gas turbine components, springs, nuclear reactors, aerospace
Inconel 751 Ni (70-75%), Cr (14-17%), Fe (5-9%), Al, Ti Enhanced resistance to creep and oxidation, good mechanical properties at high temperatures Exhaust valves in internal combustion engines, gas turbines
Inconel 783 Ni (46-50%), Cr (20-24%), Fe (balance), Al, Ti, Nb Low coefficient of thermal expansion, high strength, oxidation resistance Gas turbines, aerospace components, high-temperature fasteners
Inconel 22 Ni (56%), Cr (20-22.5%), Mo (12.5-14.5%), Fe (3-6%) Excellent corrosion resistance in oxidizing/reducing environments, resistant to pitting and crevice corrosion Chemical processing, pollution control equipment, waste treatment
Inconel 617 Ni (44.5-61%), Cr (20-24%), Co (10-15%), Mo (8-10%) High-temperature strength and oxidation resistance, corrosion resistance in various environments Gas turbines, heat exchangers, chemical processing, nuclear reactors
Inconel 625 Ni (58% min), Cr (20-23%), Mo (8-10%), Fe (5% max) Outstanding fatigue and thermal-fatigue resistance, excellent oxidation and corrosion resistance Aerospace, chemical processing, marine, nuclear reactors
Inconel 625LCF Similar to 625, optimized for low cycle fatigue Enhanced fatigue resistance, good mechanical properties at elevated and cryogenic temperatures Aerospace components, bellows, expansion joints
Inconel 693 Ni (58% min), Cr (28-31%), Fe (balance), Al, Nb Exceptional resistance to metal dusting, good high-temperature corrosion resistance Petrochemical processing, gas turbine components, industrial heating
Inconel C-276 Ni (57% min), Mo (15-17%), Cr (14.5-16.5%), Fe (4-7%) Excellent corrosion resistance in reducing/oxidizing environments, resistant to pitting and crevice corrosion Chemical processing, pollution control, flue gas desulfurization systems
Inconel G-3 Ni (42-49%), Cr (21-23.5%), Fe (balance), Mo, Cu Good resistance to reducing environments and oxidizing acids, excellent resistance to stress corrosion cracking Chemical processing, pollution control, acid production, flue gas desulfurization systems
Inconel HX Ni (47-53%), Cr (20.5-23%), Fe (balance), Mo (8-10%) High strength and oxidation resistance at elevated temperatures, resistant to carburization and nitridation Gas turbines, industrial heating, chemical processing
Inconel N06230 Ni (57-63%), Cr (20-24%), W (14%), Mo (up to 5%) Excellent oxidation resistance at high temperatures, good creep and fatigue resistance Gas turbines, industrial heating, chemical processing, aerospace



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