Inconel Series
Inconel 718/ GH4169 / UNS N07718
Inconel600/ UNS N06600/ NS312
Chemical Composition Wt.%:
Ni:50.0~55.0，
Cr:17.0~21.0，
Fe: Balance，
Nb:4.75~5.50，
Mo:2.80~3.30，
Ti:0.65~1.15，
Al:0.20~0.80，
C:≤0.08，
Si:≤0.35，
Mn:≤0.35，
P:≤0.015，
S:≤0.015
Physical Constants:
Density: 8.24 g/cm³
Melting Point: 1260–1320 °C
Mechanical Properties (Solution Annealing):
Tensile Strength ≥ 965 MPa
Yield Strength ≥ 550 MPa
Elongation ≥ 30%
Hardness ≥ 363HB
Advantages of Inconel 718:
1. Excellent manufacturingand processing properties in the annealed state;
2.Good tensile strength,fatigue strength and creeprupture strength;
3.Good high-temperature strengthup to 700C;
4.Good oxidationresistance up to 1000C;
5. Excellentmechanicalproperties atlowtemperatures;
6. Good arc welding performance,withoutpost-weld crackingsensitivity.
Application:
Inconel718 alloy can be widely appliedin various demanding situationsbecause ofhigh temperature strength,excellentcorrosion resistance andgood machinability at 700C.
1.Steam turbine
2. Liquid-fuelrocket
3.Cryogenicengineering
4.Acidicenvironment
5.Nuclear reactor
6.Extrusion mold
Chemical Composition Wt.%:
Ni:≤72.0，
Cr:14.0~17.0，
Fe: 6.0~10.0，
C:≤0.15，
Si:≤0.5，
Mn:≤1.0，
Cu:≤0.5，
S:≤0.015
Physical Constants:
Density: 8.4 g/cm³
Melting Point: 1370–1425 °C
Mechanical Properties (Annealing):
Tensile Strength ≥ 550 MPa
Yield Strength ≥ 240 MPa
Elongation ≥ 30%
Hardness ≥ 195HB
Mechanical Properties (Solution):
Tensile Strength ≥ 500 MPa
Yield Strength ≥ 180 MPa
Elongation ≥ 35%
Hardness ≥ 185HB
Advantages of Inconel 600:
1.Excellent properties of resistance to reduction,oxidation and nitridation medium corrosion.
2.Excellent properties of stress corrosion cracking at room & high temperature.
3.Excellent properties of resistance to dry chlorinegas and hydrogen chloride gas corrosion.
4.Excellent mechanical propertiesatsub-zero,room and hightemperatures.5.Excellent creep rupture strength,recommended for use in working environments above 700C.
Application:
1.Thermowell in an erodingatmosphere
2.VCM production
3.Uranium Oxidation Conversion to Hexafluoride
4.Production and application fields of corrosive alkali metals5.Titanium dioxide production via the chlorine process
6. Production of organic or inorganic chlorides and fluorides
7. Nuclear reactors
8. Retorts and components in heat treatment furnaces
9.Inconel600 is recommended for catalytic regenerators in petrochemical production applications operating above 700°C to achieve an extended service life
Inconel 601/ UNS N06601/W.Nr.2.4851
Chemical Composition Wt.%:
Ni:58.0~63.0
Cr:21.0~25.0
Fe:Balance
C:≤0.1
Mn:≤1.5
Si:≤0.5
Cu:≤1.0
AI：1.0~1.7
S：≤0.015
Physical Constants:
Density: 8.1 g/cm³
Melting Point: 1320~1370 °C
Mechanical Properties (Annealing):
Tensile Strength ≥ 650 MPa
Yield Strength ≥ 300 MPa
Elongation ≥ 30%
Hardness ≥ 160HB
Mechanical Properties (Solution):
Tensile Strength ≥ 600 MPa
Yield Strength ≥ 240 MPa
Elongation ≥ 30%
Hardness ≥ 220HB
Advantages of Inconel 601:
1.Excellent oxidation resistance at elevated temperatures
2.Superior carburization resistance
3.Excellent resistance to oxidation in sulfur-containing atmospheres
4.Good mechanical properties at room temperature and high temperature
5.Excellent resistance to stress corrosion cracking
Due to the controlled carbon content and grain size,Inconel601 exhibits high creep rupture strength.Recommended forapplicationsabove500°C.
Application:
1. Pallets, baskets and fixtures for heat treatment factory
2.Wire stranding annealing units,radiant tubes,high-velocitygas burners,and wire mesh belts in industrial furnaces
3.Separation tanks in ammonia reforming and catalyst support grids in nitric
Acid production
4.Exhaust system components
5.Combustion chambers of solid waste incinerators
6. Pipe supports and soot handling components
7. Waste gas detoxification system components
8.Oxygenre-heaters
Inconel625/ NS336/ UNS N06625
Chemical Composition Wt.%:
Ni:≥58.0
Cr:20.0~23.0
Mo:8.0~10.0
Nb+Ta:3.15~4.15
Fe:≤5.0
Al:≤0.4
Ti:≤0.4
C：≤0.1
Mn:≤0.5
Si：≤0.5
Co：≤1.0
p:≤0.015
S：≤0.015
Physical Constants:
Density: 8.4 g/cm³
Melting Point: 1290–1350 °C
Mechanical Properties (Annealing Annealing):
Tensile Strength ≥ 830 MPa
Yield Strength ≥ 414 MPa
Elongation ≥ 30%
Hardness ≥ 290HB
Advantages of Inconel 625:
1.Excellent corrosion resistance to various corrosive media in oxidizing and reducing
2.Outstanding resistance to pitting corrosion and crevice corrosion,and is not susceptible to chloride-induced stress corrosion cracking.
3.Superior resistance to inorganic acids,such as nitric acid,phosphoric acid,sulfuric acid,hydrochloric acid,and mixed acids of sulfuric acid & hydrochloricacid.
4.Excellent corrosion resistance to various mixed inorganic acid solutions.
5.Good corrosion resistance in hydrochloric acid solutions of all concentrations in40°C
6.Good workability and weldability,with no susceptibility to post-weldcracking.
7.Holding certification for manufacturing pressure vessels with a wall temperature range of-196°Cto450C.
8.Certified by NACE Standard MR-01-75of the National Association of Corrosion Engineers,and meets the highest standard Grade VIIforservice in acidic gas environments.
Application:
1.Components for chloride-containing or ganic chemical process technologies,especially in applications where acidic chloride catalysts are used.
2.For manufacturing digesters and bleaching tanks in the pulp and paperindustry.
3.Absorption towers, reheaters,flue gas inlet dampers,wet fans,agitators,guidevanes and flues in flue gas desulfurization systems.
4.For manufacturing equipment and components used in acidic gas environments.
5.Acetic acid and acetic anhydride reaction generators.
6.Sulfuric acid condensers.
InconelX-750/ UNS N07750/ GH4145
Chemical Composition Wt.%:
Ni:≥70.0
Cr:14.0~17.0
Fe:5.0~9.0
Nb+Ta:0.7~1.2
Co:≤1.0
C：≤0.08
Mn:≤1.0
Si：≤0.5
S:≤0.01
p:≤0.015
Cu:0.5
AI:0.4~1.0
Ti:2.25~2.75
Physical Constants:
Density: 8.25 g/cm³
Melting Point: 1370–1425 °C
Mechanical Properties (Annealing Annealing):
Tensile Strength ≥ 910 MPa
Yield Strength ≥ 550 MPa
Elongation ≥ 25%
Hardness ≥ 350HB
Advantages of Inconel X-750:
1.Good corrosion and oxidation resistance below 980C
2.High strength below 800°C
3. Excellent relaxation resistance below 540°C.
4. Favorable formability and weldability,
5.Outstanding mechanical properties in low-temperature environments
Application:
1.Manufacturing springs and bolts operating at hight emperatures;rotor blades, impellers and othe rstructural components for gas turbines.
2.Thrust chambers for rocket engines.
3.Thrust reversers for aircraft.
4.Large-scalehigh-pressure vessels.
5.Elasticgas seal plates, elastic sealing diaphragms,and electric heating blades for rubber machinery.
Inconel 617/ UNS N06617
Chemical Composition Wt.%:
Ni:≥44.5
Cr:20.0~24.0
Mo:8.0~10.0
Fe:≤3.0
Mn:≤1.0
C：0.05~0.15
B:≤0.01
Si：≤1.0
S:≤0.02
Co：10~15
Cu:≤0.05
Al:0.8~1.5
Ti:≤0.6
Physical Constants:
Density: 8.4 g/cm³
Melting Point: 1330–1380 °C
Mechanical Properties (Solution Annealing):
Tensile Strength ≥ 830 MPa
Yield Strength ≥ 414 MPa
Elongation ≥ 30%
Hardness ≥ 290HB
Advantages of Inconel 718:
1.Excellent corrosion resistance and can with standerosion by various strong acids and alkalis.
2.Outstanding mechanical properties,with atensile strength of up to 860 MPa and an elongation rate of over 30%,delivering exceptional toughness and durability.
3.Excellenthigh-temperature performance and can be used attemperaturesupto 1100C.
Application:
1.offshore oil and gas pipelines in offshore oil and gas extraction equipment
2.high-speed rotating components such as aero-engines and gas turbines