Scientific Alloys, Inc.

P.O. Box 523, Westerly, RI 02891   •   401.596.4947   •   scientificalloys@hotmail.com

ASTM Specifications and Data on Materials

The following ASTM specifications contain chemical data and typical property
information for the grades we make. Additional ASTM Specs may also be applicable.

These specifications relate to the grade names as listed below:

  • 36% Ni (Invar) ASTM-A 658/A658M
  • Invar 36 Fc (fm) ASTM-F-1684-UNSK-93050
  • Super Invar ASTM-F-1684-UNSK-93500
  • Low-carbon Magnetic Iron ASTM-A848Type 1
  • Nickel-Iron Soft Alloys – Hi Mu 80®, Mu Metal®, Hi Perm 49®, Alloy 48,
  • 45% Ni Alloy, 79-4® ASTM-A753Types 1,2,3,4
  • Iron-Cobalt High Magnetic Saturation Alloys – Vanadium Permendur®,
  • Hiperco 50® ASTM-A801Type 1
  • Iron – Silicon Relay Steels – Silicon Core Irons A®, B®, BFM®, etc.
  • Standard Spec for Iron-Silicon Relay Steels ASTM-A867
  • (Expansion Alloys) – Thermostat Component Alloys 42% Ni, 45% Ni,
  • Ni 22-3, 19-2, 39% Ni, 36% Ni ASTM-B753
  • Iron Ni – Sealing Alloy – 42% Ni, 46% Ni, 48% Ni, 52% Ni ASTM-F-30
  • Iron-Nickel-Cobalt Sealing Alloy – Kovar® ASTM-F-15
  • 42% Nickel – 6% Chromium Iron Sealing Alloy ASTM-F-31

You may purchase these specifications from:

ASTM International
100 Barr Harbor Drive
P.O. Box C700
West Conshohocken, PA 19428
PHONE: (610) 832-9500
Fax: (610) 832-9555
Web Site: WWW.ASTM.ORG
E-Mail: service@astm.org

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