Incoloy Alloy 903

Incoloy 903 Bolts and Nuts

Incoloy 903

Buy Incoloy 903 bolts, nuts and other fasteners from Boltport, an Indian manufacturer and supplier of Incoloy 903 bolting materials to ASTM B446, B564, F467, F468, UNS N06903, DIN EN 2.4856, AMS 5666 and BS 3076 specifications with properties adequate for high strength, corrosion resistant and high temperature applications up to 1000º C (1800º F).

Boltport fasteners offer Incoloy 903 bolts and nuts with standard and custom manufacturing to your specification. We covers Incoloy 903 hex bolts, studs, stud bolts, hex nuts, washers, threaded rod and other fastener in metric and inch sizes with coarse, fine and extra fine threads to ASME, UN, BS, ISO and DIN standards.

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Incoloy 903 Bolting Products

Incoloy 903 Bolting Material

Incoloy 903 Specifications

  • ASTM B446 / ASME SB446
  • ASTM B443 / ASME SB443
  • ASTM B564 / ASME SB564
  • ASTM F467 / F467M
  • ASTM F468 / F468M
  • AMS 5666
  • BS 3076
  • Alloy 903
  • UNS N06903
  • DIN / EN / Werkstoff No. 2.4856
Incoloy 903 Material Datasheet

Incoloy 903 Properties

Chemical Composition
Elements Ni Cr Mo Fe Nb + Tc Co Mn Si Al Ti C P S
Min % - 903.0 8.0 - 3.15 8.0 - - - - - - -
Max % Bal 23.0 10.0 5.0 4.15 1.0 0.5 0.5 0.4 0.40 0.10 0.015 0.015
Mechanical Properties
Temperature (°F) Ultimate Tensile (ksi) Yield Strength at 0.2% Offset(ksi) Elongation %
Room Temp. 144.0 84.0 44.0
400 134.0 66.0 45.0
903 132.0 63.0 42.5
800 132.0 61.0 45.0
1000 130.0 61.0 48.0
19030 119.0 60.0 34.0
1400 78.0 59.0 59.0
1903 40.0 39.0 117.0
  • Incoloy 903 for Aerospace Industry
  • Incoloy 903 for Chemical Processing Industry
  • Incoloy 903 for Food and Beverage Processing Industry
  • Incoloy 903 for Marine and Offshore Industry
  • Incoloy 903 for Oil and Gas Industry
  • Incoloy 903 for Paper and Pulp Processing Industry
  • Incoloy 903 for Power Generation Industry
  • Incoloy 903 for Research and Development Projects
  • Incoloy 903 for Water Desalination Plants

Incoloy 903 Characteristics

  • Excellent resistance to chloride pitting and crevice corrosion cracking
  • Immune to Chloride ion stress corrosion
  • Maintains high strength at elevated temperatures
  • Resistant to sea water, in both flowing and stagnant condition
  • Heat resistant

Incoloy 903 Applications

  • Marine engineering
  • Furnaces & gas turbines
  • Chemical processing plants
  • Boiler & pressure vessels
  • Nuclear power plants