Controlled Expansion Alloys

NAS 21-6

  • JIS
  • UNS
  • DIN/EN

A material with a high coefficient of thermal expansion, NAS 21-6 has superior characteristics for use in bimetals and trimetals. Nippon Yakin supplies this product in coil and sheet forms.

Chemical Composition 21Ni-6Cr-Fe
Product shape
Features NAS 21-6 can be clad rolled or welded with an alloy having a low coefficient of thermal expansion to produce bimetals.
Applications Bimetal products