invar rod diameter: from 1mm-100mm invar 36 is also known as USN K93600,UNS K93660,alloy 36,ASTM F1684.Nilo 36,etc.

invar rod diameter: from 1mm-100mminvar 36 is also known as USN K93600,UNS K93660,alloy 36,ASTM F1684.Nilo 36,etc.

Invar 36 is a Nickel-Iron, low expansion alloy containing 36% Nickel, belongs to one of the controlled expansion alloys with the lowest thermal expansion coefficient of any of the iron-nickel alloys. It is widely used in the electronics industry such as radios, thermostats, glass-to-metal seals and structural components in laser systems.

Chemical Compositions:

C	Mn	S	P	Si	Cr	Ni	Fe
Max 0.10	Max 0.50	Max 0.004	Max 0.006	Max 0.35	Max 0.25	Nom 36.0	Balance

Physical Properties:

Specific gravity ................ 8.08Densitylb/cu in ......................... 0.291kg/cu m ......................... 8055Thermal conductivityBtu-in/ft²/hr/°F ................ 72.6W/m þ K .......................... 10.5

Electrical resistivityohm-cir mil/ft ................... 495microhm-mm ...................... 820Temperature coefficient of electricalresistivityper °F (70/212°F) ............. 0.0006per °C (21/100°C) ............. 0.0011

invar rod