ALLOY 42

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  • Alloy 42
  • Nilo 42
  • Pernifer 42
  • UNS N94100
  • UNS 1.3917
  • FeNi42
  • ASTM F30
  • NF-154-401

Alloy 42 Properties

Taashvi is the unsurpassed leader in supplying controlled expansion, nickel-iron alloys to the industry. Below you will find pertinent material characteristics to aide in your evaluation of Alloy 42. Tables include average linear coefficient of thermal expansion, physical and mechanical properties, chemistry, and specifications for this alloy.

Our professional team of material experts are located on the east and west coast and ready to take your call. Contact us at 800-348-6268 for further information about the features of Alloy 42.

Alloy 42 Average Linear Coefficient of Thermal Expansion µm/m • °C

Temperature Range °CUNS K94100Temperature Range °CUNS K94100
30 to 300 4.0 to 4.7*30 to 700 10.5
30 to 400 6.030 to 800 11.4
30 to 450 6.7 to 7.4*30 to 90012.3
30 to 500 7.930 to 100013.2
30 to 600 9.6
Source: ASTM F30, Table X1.1, UNS K94100; *tested range per ASTM F30, Table 2

Alloy 42 Typical Physical Properties

Densitylb/cu in0.293
Specific Gravity8.12
Curie Temp°F716
°C380
Melting Point°F2600
°C1425
Electrical Resistivityohm-cir mil/ft430
Microhms-cm71
Thermal ConductivityBTU-in/sq. ft-hr-°F74.5
W/cm °C0.11
Specific HeatBTU/lb °F0.12
Source: ASTM F30, 42 Alloy | UNS K94100; CarTech Glass Sealing 42 Data Sheet v. 7.1.90

Alloy 42 Typical Mechanical Properties

Tensile Strengthksi75
MPa517
Yield Strengthksi40
MPa276
Elongation% in 2 in.30
Hardness Ann.Rockwell B76
Modulus of Elasticity ksi21.5 x 103
Source: CarTech Glass Sealing 42 Data Sheet v. 7.1.90; Material in the annealed condition.

Alloy 42 Chemistry

Nickel, nominal41.00
Manganese, max. 0.80
Silicon, max. 0.30
Carbon, max. 0.05
Chromium, max. 0.25
Phosphorus, max. 0.025
Sulfur, max. 0.025
Cobalt, max.*
Aluminum, max. 0.10
IronRemainder
*Cobalt is present as an incidental element and shall be reported separately.
Source: ASTM F30

Alloy 42 Specifications

ASTM F30MIL-I-23011 CL 5AMS 1-23011 CL 5UNS K94100

Delivery program

Plates : thickness range from 4 mm up to 127mm

Sheets : thickness range from 0.1 mm up to 3.20mm

Flat material : Various sizes mm

Round material : Ø 4 mm up to 127 mm


NILO-42
NILO-48
ALLOY-59
alloy-926-1

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  • Address:

    13/21, Office No. 124, Seth Virchand Umarsey Building, 1st Floor, Panjarapole 3rd Lane, Mumbai

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    +91-7678041137

    +91-898066460