ASTM B168 Alloy 600 Plate | UNS N06600 | Inconel 600

Shaanxi Shangyou Stainless Steel Co., Ltd. supplies Nickel Alloy 600, also known as Inconel 600, identified as UNS N06600 and Werkstoff 2.4816, in plate, sheet, and strip form according to ASTM B168 / ASME SB-168 and aerospace standard AMS 5540 .

Nickel Alloy 600 is a nickel-chromium-iron alloy (72% Ni min, 14-17% Cr) designed for use from cryogenic to elevated temperatures up to 1093°C (2000°F) . The high nickel content provides excellent resistance to chloride-ion stress-corrosion cracking and corrosion by alkaline solutions, while the chromium content gives resistance to oxidizing environments and sulfur compounds . The alloy is non-magnetic, readily weldable, and cannot be hardened by heat treatment, only by cold working . Typical applications include chemical processing, aerospace, nuclear engineering, and thermal processing equipment.

Procurement Summary

Chemical Composition

Composition per ASTM B168 / AMS 5540 requirements .

Technical Data

Actual properties depend on product form, dimensions, and the specified standard.

Heat Treatment Conditions

Annealed

Alloy 600 is normally supplied in the annealed condition. The standard annealing treatment is performed at approximately 1,925°F – 1,975°F (1,052°C – 1,079°C) followed by rapid cooling. This treatment provides optimal corrosion resistance and ductility for forming and fabrication. Unlike age-hardenable alloys, Alloy 600 does not require precipitation aging treatments to achieve its properties .

Cold Working

Alloy 600 is not age-hardenable – strength increases only through cold working. Annealed material typically exhibits tensile strength of 80 – 110 ksi (552 – 758 MPa), while heavily cold worked material can achieve higher strength levels .

Corrosion Resistance and Selection Limits

Alloy 600 provides excellent resistance to a wide range of corrosive environments due to its high nickel content and chromium additions .

Key Corrosion Characteristics:

• Virtually immune to chloride stress-corrosion cracking due to high nickel content (72% min)
• Good resistance to oxidation up to 1,093°C (2,000°F), with resistance to carburization and nitriding
• Excellent resistance to high-temperature corrosion in dry chlorine and hydrogen chloride
• Resistance to caustic alkalis (particularly with sulfur compounds present)
• Good resistance to alkaline solutions and neutral/alkaline salt solutions
• Resistance to steam and mixtures of steam, air, and carbon dioxide
• Good resistance to nitric and sulfuric acids, though poor resistance in hot concentrated nitric acid

Selection Considerations:

• Not immune to pitting or crevice corrosion in all chloride-containing environments – selection must consider concentration, temperature, and exposure conditions
• For higher oxidation resistance above 1,000°C, Alloy 601 may be preferred
• For strong oxidizing solutions like hot concentrated nitric acid, Alloy 600 has limited resistance
• Final selection must consider the specific medium, temperature, concentration, and oxidizing or reducing conditions

Typical Applications

• Chemical Processing: Reactor vessels, heat exchanger tubes, components for chlorinated and fluorinated hydrocarbons, phenol condensers, soap manufacture, vegetable and fatty acid vessels
• Heat Treating: Furnace casing seals, fans, and fittings; transport rollers, nozzles; thermocouple protection tubes; baskets, trays, muffles and retorts
• Nuclear: Control rod ducts, reactor vessels and seals, steam dryers and separators
• Aerospace: Jet engine components, combustion chambers
• Petrochemical: Tubes for pyrolysis-dichloroethylene, catalyst regenerators
• Caustic Processing: Production of caustic alkalis

Testing and Inspection

• Available quality-control services include:
• Heat-number traceability
• Chemical composition verification
• Tensile, yield and elongation testing
• Hardness inspection
• Dimensional and surface inspection
• Positive Material Identification (PMI)
• Ultrasonic testing
• Dye penetrant inspection
• Heat-treatment records
• EN 10204 3.1 material certificate

Request a Quote

For an accurate quotation, please provide:

Alloy Grade · Standard · Product Form · Dimensions (Thickness × Width × Length) · Quantity · Surface Finish · Inspection Requirement · Application · Working Temperature · Destination Port

For corrosive environments, also provide:

Chemical Medium · Concentration · Temperature · Oxidizing or Reducing Conditions

Procurement Actions

• Request ASTM B168 Alloy 600 Plate Quote
• Upload Drawing or MTO
• Check Available Stock
• Ask for Alloy Selection Support

Frequently Asked Questions

ASTM B168 Alloy 600 plate (UNS N06600) is a nickel-chromium-iron alloy plate with oxidation resistance up to 1,093°C (2,000°F) and immunity to chloride stress-corrosion cracking .

The UNS designation is N06600; the European Werkstoff number is 2.4816 .

ASTM B168 / ASME SB-168 and AMS 5540 apply to Alloy 600 plate, sheet and strip .

Plate thickness ranges from 0.3 mm to 1200 mm or as required, with widths up to 2500 mm .

No. Alloy 600 is not age-hardenable and is strengthened only through cold working .

It resists chloride stress-corrosion cracking, oxidation up to 1,093°C, dry chlorine and hydrogen chloride at high temperatures, carburization, nitriding, caustic alkalis, and many alkaline solutions .

Yes. Due to its high nickel content (72% min), Alloy 600 is virtually immune to chloride-ion stress-corrosion cracking .

Alloy 601 was specifically developed to provide higher oxidation resistance than Alloy 600 at elevated temperatures. For applications above 1,000°C with severe oxidation conditions, Alloy 601 is often preferred.

Yes. Alloy 600 exhibits good weldability and resistance to post-weld cracking. Welding should be performed using qualified welding procedures .

Please provide the standard (ASTM B168), product form (plate), thickness, width, length, quantity, surface finish, inspection requirements, application, working temperature and destination port.