ASTM F30 / Nickel Alloy 52 / N52 / Niloy52 Low Expansion Alloy Wire

Product Description

NIFE 52 / ASTM F30 / Nilo 52 / 52H / N52 Fe-Ni constant expansion alloy Wire
Alloy 52 Contains 52% nickel and 48% iron and is widely used in the telecommunications industry.It also finds a application in a wide variety of electronic applications,especially for glass seals.
Alloy 52 is one of the glass to metal sealing alloys designed for use with a variety of soft glasses. Known for a coefficient of thermal expansion that is almost constant up to 1050F (565 C).
Size Range:
*Sheet ---Thickness 0.1mm~40.0mm, width:≤300mm,Condition: cold rolled(hot), bright, bright annealed
*Round Wire---Dia 0.1mm~Dia 5.0mm,Condition: cold drawn, bright, bright annealed
*Flat Wire ---Dia 0.5mm~Dia 5.0mm,length:≤1000mm,Condition:flat rolled, bright annealed
*Bar ---Dia 5.0mm~Dia 8.0mm,length:≤2000mm,Condition:cold drawn,bright, bright annealed
Dia 8.0mm~Dia 32.0mm,length:≤2500mm,Condition:hot rolled,bright, bright annealed
Dia 32.0mm~Dia 180.0mm,length:≤1300mm,Condition:hot forging,peeled, turned, hot treated
*Capillary ---OD 8.0mm~1.0mm,ID 0.1mm~8.0mm,length:≤2500mm,Condition: cold drawn, bright, bright annealed.
*Pipe ---OD 120mm~8.0mm,ID 8.0mm~129mm,length:≤4000mm,Condition: cold drawn, bright, bright annealed.
Chemistry:

	Cr	Al	C	Fe	Mn	Si	P	S	Ni	Mg
Min	--	--	--	--	--	--	--	--	50.5	--
Max	0.25	0.10	0.05	Bal.	0.60	0.30	0.025	0.025	--	0.5

Average Linear Expansion Coefficient:

Grade	α1/10-6ºC-1
	20~100ºC	20~200ºC	20~300ºC	20~350ºC	20~400ºC	20~450ºC	20~500ºC	20~600ºC
4J52	10.3	10.4	10.2	10.3	10.3	10.3	10.3	10.8

Properties:

Condition	Approx. tensile strength		Approx. operating temperature
	N/mm²	ksi	°C	°F
Annealed	450 - 550	65 - 80	up to +450	up to +840
Hard Drawn	700 - 900	102 - 131	up to +450	up to +840

Forming:

The alloy has good ductility and can be formed by standard means.

Welding:

Welding by conventional methods is appropriate for this alloy.

Heat Treatment:

Alloy 52 should be annealed at 1500F followed by air cooling. Intermediate strain relieving can be performed at 1000F.

Forging:

Forging should be done at a temperature of 2150 F.

Cold Working:

The alloy is readily cold worked. Deep drawing grade should be specified for that forming operation and annealed grade for general forming.

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