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ALLOY 600 (N06600)

INCONEL alloy 600 (UNS N06600) Ni 76.0, Cr 15.5, Fe 8.0 Description
Ni 72.0, Cr 15.5, Fe 8.0 Mn 1.0 C 0.15 Cu 0.5 Si 0.5 S 0.015
High Performance Alloys stocks and produces this grade in the following forms: Bar, wire, sheet, plate, coil, fasteners and forgings. Request quote on this grade.

A nickel-chromium alloy with good oxidation resistance at higher temperatures. With good resistance in carburizing and chloride containing environments.
Alloy 600 is a nickel-chromium alloy designed for use from cryogenic to elevated temperatures in the range of 2000 deg F(1093 deg C). The high nickel content of the alloy enables it to retain considerable resistance under reducing conditions and makes it resistant to corrosion by a number of organic and inorganic compounds. The nickel content gives it excellent resistance to chloride-ion stress-corrosion cracking and also provides excellent resistance to alkaline solutions.
Its chromium content gives the alloy resistance to sulfur compounds and various oxidizing environments. The chromium content of the alloy makes it superior to commercially pure nickel under oxidizing conditions. In strong oxidizing solutions like hot, concentrated nitric acid, 600 has poor resistance. Alloy 600 is relatively un-attacked by the majority of neutral and alkaline salt solutions and is used in some caustic environments. The alloy resists steam and mixtures of steam, air and carbon dioxide.
Alloy 600 is non-magnetic, has excellent mechanical properties and a combination of high strength and good workability and is readily weldable. Alloy 600 exhibits cold forming characteristics normally associated with chromium-nickel stainless steels.
Typical corrosion applications include titanium dioxide production (chloride route), perchlorethylene syntheses, vinyl chloride monomer (VCM), and magnesium chloride. Alloy 600 is used in chemical and food processing, heat treating, phenol condensers, soap manufacture, vegetable and fatty acid vessels and many more.

Resistant to a wide range of corrosive media. The chromium content gives better resistance than Alloy 200 and 201 under oxidizing conditions, at the same time the high nickel gives good resistance to reducing conditions.
Virtually immune to chlorine ion stress corrosion cracking.
Demonstrates adequate resistance to organic acids such as acetic, formic and stearic.
Excellent resistance to high purity water used in primary and secondary circuits of pressurized nuclear reactors.
Little or no attack occurs at room and elevated temperatures in dry gases, such as chlorine or hydrogen chloride. At temperatures up to 550C in these media, this alloy has been shown to be one of the most resistant of the common alloys.
At elevated temperatures the annealed and solution annealed alloy shows good resistance to scaling and has high strength.
The alloy also resists ammonia bearing atmospheres, as well as nitrogen and carburizing gases.
Under alternating oxidizing and reducing conditions the alloy may suffer from selective oxidation.

Thermocouple sheaths.
Ethylene dichloride (EDC) cracking tubes.
Conversion of uranium dioxide to tetrafluoride in contact with hydrofluoric acid.
Production of caustic alkalis particularly in the presence of sulfur compounds.
Reactor vessels and heat exchanger tubing used in the production of vinyl chloride.
Process equipment used in the production of chlorinated and fluorinated hydrocarbons.
In nuclear reactors uses are for such components as control rod inlet stub tubes, reactor vessel components and seals, steam dryers and d separators in boiling water reactors. In pressurized water reactors it is used for control rod guide tubes and steam generator baffle plates etc.
Furnace retort seals, fans and fixtures.
Roller hearths and radiant tubes, in carbon nitriding processes especially.

Fabricating INCONEL ® alloy 600
Alloy 600 is non-magnetic, has excellent mechanical properties and a combination of high strength and good workability and is readily weldable. Alloy 600 exhibits cold forming characteristics normally associated with chromium-nickel stainless steels.
600 sheet and plate are almost exclusively supplied in the annealed condition. Bar stock may need to be stress relieved, or annealed before performing any heading operations.

Chemical Requirements
Ni C Mn Cr S Si Fe Max
.15 1.0 17.0 .015 .5 10.0Min 72.0 14.0 6.0

Tensile Data
Mechanical Property Requirements
Ultimate Tensile
Yield Strength (0.2% OS)
Elong. in 2 in. or 50mm or 4D, min., %
Cold Worked/As worked
110 KSi
85 KSi

760 MPa
585 KSi
Hot Worked/As worked
90 KSi
40 KSi
620 MPa
275 MPa

D- Forging quality is furnished to chemical requirements and surface inspection only. No mechanical properties required.

Metal Type
UNS N06600
ASTM B166 AMS 5665 Din 17752
ASTM B168 AMS 5540 Din 17750
ASTM B168 AMS 5540 Din 17750
ASTM B564 Din 17754
Weld Wire
FM 82/ ERNiCr-3
Weld Electrode
FM 182/ ENiCrFe-3


Machinability Ratings
Carbide tools are suggested
for rates better than 50% of Type 304.
Machining Type Suggested starting rates are:
Single Point turning : Roughing – 0.15″ depth, 0.015″/rev feed -175 SFM
Finishing – 0.025″ depth, 0.007″/rev feed – 200 SFM
Drilling : 1/4″ Dia hole – 0.004″/rev feed – 60 SFM
1/2″ Dia hole – 0.007″/rev feed – 60 SFM
3/4″ Dia hole – 0.010″/rev feed – 60 SFM
Reaming : Feed – same as drilling – 100 SFM
Side and Slot Milling : Roughing – 0.25″ depth – 0.007″/tooth feed – 125SFM
Finishing – 0.050″ depth – 0.009″/tooth feed – 140SFM
These rates are for carbide tools,
Type C-2 for roughing, drilling and reaming.
Type C-3 for finishing.

INCONEL® is a registered trademark of the INCO family of companies.


Limitation of Liability and Disclaimer of Warranty: In no event will South Coast Industrial Metals or any of its affiliates be liable for any damages arising from the use of the information included in this document or that it is suitable for the ‘applications’ noted. We believe the information and data provided to be accurate to the best of our knowledge but, all data is considered typical values only. It is intended for reference and general information and not recommended for specification, design or engineering purposes. South Coast Industrial Metals, Inc. assumes no implied or express warranty in regard to the creation or accuracy of the data provided in this document.