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Carpenter Glass Sealing "42-6" Alloy

Category	Metal , Electronic/Magnetic Alloy , Ferrous Metal , Superalloy
Manufacturer	Carpenter Technology Corporation (Cartech)
Trade Name
Port	Ningbo port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	Carpenter Glass Sealing "42-6" Alloy.pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

A nickel-chromium-iron which has been developed to match the thermal expansion characteristics of 0120 glass. An additional advantage of this alloy for glass-to-metals seals is the tight dark green oxide coating formed by wet hydrogen annealing at 1900/2200°F (1038/1204°C) for one hour. The oxide tends to flux with the glass and make it a vacuum tight seal if the surfaces are clean. To obtain the necessary surface cleanliness, pickle in muriatic acid.This alloy has been supplied in strip form for glass windows and television/CRT anode buttons. It is supplied in wire form for compression seals.Data provided by Carpenter Technology Corporation.

Physical Properties	Metric	English	Comments
Density	8.11 g/cc	0.293 lb/in³

Mechanical Properties	Metric	English	Comments
Modulus of Elasticity	159 GPa	23000 ksi

Thermal Properties	Metric	English
CTE, linear	2.02 µm/m-°C @Temperature 25.0 - 100 °C	1.12 µin/in-°F @Temperature 77.0 - 212 °F
	2.19 µm/m-°C @Temperature 25.0 - 200 °C	1.22 µin/in-°F @Temperature 77.0 - 392 °F
Specific Heat Capacity	0.502 J/g-°C	0.120 BTU/lb-°F
Thermal Conductivity	12.5 W/m-K	86.8 BTU-in/hr-ft²-°F
Melting Point	1427 °C	2601 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.070 %	<= 0.070 %
Chromium, Cr	5.75 %	5.75 %
Iron, Fe	51 %	51 %	as remainder
Manganese, Mn	0.50 %	0.50 %
Nickel, Ni	42.5 %	42.5 %
Silicon, Si	0.25 %	0.25 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000948 ohm-cm	0.0000948 ohm-cm
Curie Temperature	293 °C	559 °F

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