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MONEL- 400

MONEL-400 has a wide range of mechanical properties that vary according to the supply condition, with exceptional properties at sub-zero temperatures. Even when cooled to the temperature of liquid drogen, it does not undergo a ductile-to-brittle transition.

ALLOY 400

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Additionally, it has advantageous short-term high temperature properties when hot rolled and annealed, and its toughness is maintained over a wide temperature range.


Due to the resistance of MONEL-400 to corrosion by a wide variety of reducing media, it is suitable for use in a wide variety of environments and is widely used in marine applications due to its extremely low corrosion rates in flowing sea water. Additionally, it is resistant to stress corrosion cracking, pitting, and rusting in the majority of fresh and industrial waters.

Characteristic:

  •  Nickel Copper Alloy
  •  Available in hot or cold worked and annealed condition
  •  Good strength and toughness combined without standing corrosion resistance
  •  Often used in marine applications
  •  Good weld ability
  •  Commonly referred to as Monel®400


Chemical Analysis :


Element Min Max
C - 0.03
Mn - 2.0
Si - 0.5
S - 0.024
Ni 63.0 -
Cu 28.0 34.0
Fe - 2.5
- % %


Mechanical Properties :


Condition Tensile(PSI(MPA)) Yield(0.2% offset),(PSI(MPA)Min) Elongation in 2"or 4Dm in % Elongation 5.65√S0 min % Rockwell Hardness HRC Max
Hot worked and annealed 70,000 (483) 25,000 (172) 35 35 35
Cold worked and stress relieved ≤40 mm dia 87,000 (600) 60,000 (415) 22 20 35
>40mm ≤ 55mm dia 84,000 (580) 55,000 (380)


APPLICATION :


  • Steam generators
  • Boiler feed water heaters
  • Other heat exchangers
  • Valves
  • Pumps
  • Pump and propeller shafts
  • Marine fixtures and fasteners
  • Process vessels
  • Chemical processing equipment
Work Process

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