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Invar 36 /Nilo 36 / Alloy 36 (ASTM F1684)
ASTM F-1684 is an ASTM specification for Invar 36 covering Low Thermal Expansion Applications covering UNS K93603, UNS K93050, & UNS K93500.
INVAR 36 (Also known as NILO 36, Pernifer 36) is an alloy made up of 36% nickel and 64% iron. It has a low coefficient of thermal expansion, making it useful for applications where dimensional stability is required, such as in precision instruments and optical devices. It is also known for its high strength and corrosion resistance. Invar 36 is commonly used in electronic, aerospace and other high-tech industry.
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Nilo 42 Alloy
NILO is a binary alloy of nickel and iron, containing varying amounts of nickel. NILO is known as a controlled-expansion alloy. Controlled expansion alloys are characterized by a low expansion coefficient (in low and high temperature ranges), good ductility and toughness. These alloys also exhibit good mechanical properties.
Based on the nickel content of the alloy, the NILO alloys are named as NILO 36, NILO 42, NILO 48 and NILO alloy K. NILO 42 alloy consists of 42% nickel and is characterized by a low and constant co-efficient of thermal expansion from room temperature to about 300°C (570°F). NILO 42 alloy is available in the form of strip, wire, tube and sheet.
