Iron-Nickel/Alloy 52/Feni 52 Alloys

  • Model NO.: Alloy 52
  • Material: Fe Ni
  • Surface: Bright
  • Brand Name: Wisdom
  • Certificate: ISO9001
  • MOQ: 1kg
  • Trademark: WISDOM
  • Origin: Shanghai, China
  • Product Type: Wire Strip Ribbon Bar Sheet
  • Treatment: Hydrogen Annealing
  • Condition: Soft
  • Product: Alloy 52
  • Quality Test: Mill Test Report
  • Paument Currency: USD/Eur/RMB
  • Specification: CE, ISO9001, ROHS, SGS


Alloy 52 is a controlled thermal expansion alloy, consisting of 51% Nickel, balance Iron; Its low thermal expansion properties make it suitable for a range of glass to metal sealing app- lications and for the manufacture of hermetic packages.
Alloy 52 is produced with good machining properties and is manufactured under controlled conditions to ensure it is free from pores and inclusions.

Typical Uses and Applications

Alloy 52 is widely used for process vessels and piping; boiler feedwater heaters and other heat exchangers; and deaerating heaters.

Product Details

Chemical composition:
Grade C% Si% P% S% Mn% Ni% Fe%
Alloy 52 Max 0.03 0.15-0.30 Max 0.020 Max 0.020 0.30-0.60 49.0-50.0 Bal.
Grade UNS Werkstoff Nr.
Alloy 52 N14052 2.4478
Physical Properties:
Grade  Density Resistivity
Alloy 52 8.2 g/cm3 0.45 μΩm
Mechanical Properties
Grade Hardness Tensile Strength Yield Strength Elongation
Hard Soft Hard Soft Hard Soft Hard Soft
Alloy 52 170 HBS 130 HBS 785 MPa 450 MPa 685 MPa 150 MPa 3% 37%
Coefficient of Expansion
Grade Linear Coefficient of Thermal Expansion ,10-6/ºC
20-100ºC 20-200ºC 20-300ºC 20-400ºC 20-500ºC
Alloy 52 8.9 9.27 9.2 9.2 9.4
Available forms:
Alloy 52 wire, bar, rod, strip, forging, plate, sheet, tube, fastener and other standard forms are available.

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