Invar 36 Foil (Invar) / K93603 / ASTM F1684 strip Controlled Expansion Alloy

Product Details:
Place of Origin: China
Brand Name: JINXING
Certification: ISO 9001
Model Number: Invar 36 Foil
Payment & Shipping Terms:
Minimum Order Quantity: 10KGS
Price: 15~100USD/kg
Packaging Details: Plywood Case
Delivery Time: 10~25days
Payment Terms: L/C, D/A, D/P, T/T, Western Union
Supply Ability: 10000kgs/M

Detail Information

Material: 4J36 / Fe-Ni36 /1.3912, Ni36 /UNS K93601 Standard: ASTM F1684
Surface: Pickled , Polished Characteristic: Low Expansion Alloys
Heat Treatment: Solution Annealed Dimensions: Customized
High Light:

ni based superalloys


ni based alloys

Product Description

Invar 36 Foil

Alloy 36 foil (Invar) / K93603 / ASTM F1684 Widely known under several trades names such as Invar and Nilo 36**, this grade is a 36% nickel-iron alloy. AMS l-23011 CL7MIL l-23011 CL7UNS K93602/03 4J36 (China), Fe-Ni36 (France), 1.3912, Ni36 (Germany), X1NiCrMoCu, N 25-20-7 (UK) Invar 36, UNSK93600 thermostat alloy, UNSK93601 pressure vessel sheet (USA)


  • Description


Invar36 is an iron-nickel alloy containing 36% nickel. Below 204C, its thermal expansion coefficient is about one tenth of carbon steel


Invar36, such as electronic components, aircraft controls, optical equipment, laser equipment, etc., is often used in environments where dimensional changes are critical.


chemical composition

Carbon 0.02%

Silicon 0.20%

Manganese 0.35%

Nickel 36.00%

Iron balance


Physical properties

Proportion: 8.05

Density: 0.291lb/in3


Average specific heat: 0.1230 Btu/lb/°F

Average thermal expansion coefficient:

200°F 0.720 X 10-6 in/in/°F

300°F 1.17 X 10-6 in/in/°F

500°F 2.32 X 10-6 in/in/°F

700°F 4.22 X 10-6 in/in/°F


Type Size/mm Deliver State
Bar 5.0-8.0 Cold Drawn
8.0-30.0 Hot rolling
30.0-180.0 Hot forging
Plate 3.5-30.0 Hot rolling
30.0-40.0 Hot forging
Strip 0.2-3.5 Cold rolling
Flat wire 0.5-5.0 Hot rolling
Round wire 0.1-5.0 Cold Drawn
Capillary OD8.0-1.0,ID0.1-8.0 Cold Drawn
Pipe OD120-8.0, ID8.0-129 Cold drawn


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