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Inconel Alloy 600

Inconel Alloy 600

INCONEL® (nickel-chromium-iron) alloy 600 (UNS N06600/W.Nr. 2.4816) 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.

Physical Properties

Density, lb/in3 …………………..0.306
Density, Mg/m3………………….8.47
Melting Range, °F……………….2470-2575
Melting Range, °C ………………1354-1413
Specific Heat, Btu/lb-°F……….0.106
Specific Heat, J/kg-°C…………..444
Electrical Resistivity, ohm-circ mil/ft…………..620
Electrical Resistivity,  μΩ-m………………………..1.03
Curie Temperature, °F ……………………………….-192
Curie Temperature,°C…………………………………-124
Permeability at 200 oersted (15.9 kA/m)………1.010

Chemical Composition

Nickel (plus Cobalt)…………………72.0 min.
Chromium……………………………….14.0-17.0
Iron ………………………………………..6.00-10.00
Carbon ……………………………………0.15 max.
Manganese ………………………………1.00 max
Sulfur………………………………………0.015 max.
Silicon ……………………………………..0.50 max.
Copper……………………………………..0.50 max

Designation & Standards

Plate, Sheet, and Strip: ASTM B 168/ASME SB 168, ASTM B 906/ASME SB 906, ASME Code Cases 1827 and N-253,SAE/AMS 5540, BS 3072NA14 and 3073NA14, DIN 17750, ISO 6208, EN 10095, MIL-DTL-23228

Bar, Rod, Wire, and Forging Stock: 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.

Pipe and Tube: ASTM B 167/ASME SB 167, ASTM B 163/ASME SB 163, ASTM B 516/ASME SB 516, ASTM B
517/ASME SB 517, ASTM B 751/ASME SB 751, ASTM B 775/ASME SB 775, ASTM B 829/ASME SB 829, ASME
Code Cases 1827, N-20, N-253, and N-576, SAE/AMS 5580, DIN 17751, ISO 6207, MIL-DTL-23227

Other Products –ASTM B 366/ASME SB 366, DIN 17742, ISO 4955A, AFNOR NC15Fe

Applications

Typical applications are:

  • Thermocouple sheathing in aggresive atmospheres.
  • Vinylchloride monomer production: resistance to chlorine, hydrogen chloride, oxidation and carburization.
  • Conversion of uranium oxide to hexafluoride: resistance to attack by hydrogen fluoride.
  • Production and use of caustic alkalis, particularly in the presence of sulphur compounds.