Alloy 42 Sheet/Bar/Pipe
Bozhong Metal Group is one of the toppest Alloy 42 in China.During these years of exporting , Bozhong Metal Group now has rich experience in the worldwide markets
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Alloy 42

Alloy 42 is an iron-nickel alloy containing 42% nickel. It exhibits low thermal expansion characteristics over a range of temperatures, which makes it particularly suitable for use in glass and ceramic seals. It finds application in a variety of electronic components and lead frames.

Related Specifications of Alloy 42

  • K94100
  • ASTM F30
  • 1.3917
  • NF A54-301
  • FeNi42

Nominal Composition of Alloy 42

Fe 58%, Ni 41%, Mn 0.8%

Mechanical Properties of Alloy 42

Ultimate Tensile Strength (N/mm²) Proof Stress (N/mm²) Elongation (%) Hardness (HB)
500 300 30 140HV

Key Features of Alloy 42

  • Low coefficient of thermal expansion matched to silicon, ceramic materials such as alumina and beryllia and vitreous glass compounds
  • Low thermal expansion characteristics over a range of temperatures

Applications of Alloy 42

General | Semiconductor packages, electronic tubes, CRT electron guns and automotive and industrial lamps

Columbia Metals - a leading supplier of Alloy 42

With decades of experience and a huge range of stock, Columbia Metals is an industry leader in the supply of Alloy 42 and other high quality specialist engineering alloys.



Model GB ASTM DIN BS AFNOR
New grades Old grades
4J36(Invar 36) UNS K93600 W.Nr.1.3912 X1NiCrMoCu Fe-Ni36
Kovar(Alloy K)
UNS K94610 1.3981
Alloy 42 UNS K94100 1.3917
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