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Nickel 600 - The Welding Warehouse, Inc. Nickel 600 - The Welding Warehouse, Inc.

Nickel 600

Nickel 600

Nickel 600 (nickel-chromium-iron) is a standard engineering material for applications which require resistance to corrosion and heat. The alloy also has excellent mechanical properties and presents the desirable combination of high strength and good workability.

The high nickel content gives the alloy resistance to corrosion by many organic and inorganic compounds and also makes it virtually immune to chloride-ion stress-corrosion cracking. Chromium confers resistance to sulfur compounds and also provides resistance to oxidizing conditions at high temperatures or in corrosive solutions. The alloy is not precipitation hardenable; it is hardened and strengthened only by cold work.

The versatility of Nickel 600 has led to its use in a variety of applications involving temperatures from cryogenic to above 2000°F (1095°C).

Applications:

The alloy is used extensively in the chemical industry for its strength and corrosion resistance. Applications include heaters, stills, bubble towers and condensers for processing of fatty acids; evaporator tubes, tube sheets and flaking trays for the manufacture of sodium sulfide; and equipment for handling abietic acid in the manufacture of paper pulp.

In the aeronautical field, Nickel 600 is used for a variety of engine and airframe components which must withstand high temperatures. Examples are lockwire, exhaust liners and turbine seals.

Nickel 600 is used in the electronic field for such parts as cathode-ray tube spiders, thyratron grids, tube support members and springs.

The alloy is a standard material of construction for nuclear reactors. It has excellent resistance to corrosion by high-purity water, and no indication of chloride-ion stress-corrosion cracking in reactor water systems has been detected. For nuclear applications, the alloy is produced to exacting specifications and is designated INCONEL alloy 600T.

Heat Treatment:

The alloy’s strength and oxidation resistance at high temperatures make it useful for many applications in the heat-treating industry. It is used for retorts, muffles, roller hearths and other furnace components and for heat-treating baskets and trays.

Specifications:

  • UNS N06600
  • Werkstoff No. 2.4816
  • ASTM B 166/ASME SB 166
  • ASTM B 564/ASME SB 564
  • ASME Code Cases 1827 and N-253
  • SAE/AMS 5665 and 5687
  • BS 3075NA14 and 3076NA14
  • DIN 17752, 17753 and 17754
  • ISO 9723, 9724, and 9725
  • MIL-DTL-23229
  • QQ-W-390
Nominal Chemical Composition (%)
Ni Co Cr Mo Fe Si Mn C Al Ti Cu P S
72.00 – 15.50 – 8.00 0.50 1.00 0.15 – – 0.50 0.015 –
Typical Mechanical Properties
Cold-Drawn Tensile Strength Yield Strength (0.2% Offset) Elongation Hardness
ksi MPa ksi MPa % Rockwell
Annealed 80-120 550-830 35-75 240-520 45-20 –
No. 1 Temper 105-135 725-930 70-105 480-725 35-15 –
Spring Temper 170-220 1170-1520 150-210 1035-1450 5-2 –