INVAR 36 plate (UNS K93600 UNS K93603 EN 1.3912) Plate, pipe, bar

INVAR 36

INVAR 36 plate (UNS K93600 UNS K93603 EN 1.3912) Plate, pipe, bar

INVAR 36 is a nickel-iron, low-expansion alloy containing 36% nickel. It maintains nearly constant dimensions over the range of normal atmospheric temperatures, and has a low coefficient of expansion from cryogenic temperatures to about 500°F. The alloy also retains good strength and toughness at cryogenic temperatures.

INVAR 36 can be hot and cold formed and machined using processes similar to austenitic stainless steels. INVAR 36 is weldable using Filler Metal CF36 which is available in bare wire for both the GTAW and GMAW process.

INVAR 36 Chemical composition

Specifications

AFNOR NF A54-301 (chemistry only)
ASTM F 1684-06
EN 1.3912
UNS K93600, UNS K93603
Werkstoff 1.3912

Product type

Plate, pipe, bar

Common Trade Names

Nilo 36

Features

• Low expansion rate up to 500°F
• Readily weldable

Applications

Invar Alloy is a low expansion alloy that exhibits extremely low expansion around ambient temperatures and is often used where minimum expansion is required. Invar is a Nickel Iron alloy with 36% Nickel, and the remaining balance Iron. Its minimal expansion over ambient temperatures, makes this alloy useful in many applications especially where high dimensional stability is required Some of the applications of Invar Alloy include:

• Positioning devices
• Bimetal thermostats
• Advanced composite molds for aerospace industry
• Dimensionally stable instruments and optical devices
• Containers for LNG tankers
• Transfer lines for LNG
• Echo boxes and filters for mobile telephones
• Magnetic shielding
• Small electrical transformers
• Metrology devices
• Scientific instruments
• Electrical circuit breakers
• Temperature regulators
• Clock balance wheels
• Pendulum clocks
• Precision condenser blades
• Radar and microwave cavity resonators
• Special electronic housings
• Seals, spacers, and specialized frames
• High voltage transmission lines
• CRT applications: shadow masks, deflection clips, and electron gun components