4j50/ 4j52 Low Expansion Glass Sealing Alloy, Iron-Nicke Alloy Rods/Wires/Strip

• Application: Electronics, Industrial
• Standard: GB, DIN, ASTM
• Purity: >99.99%
• Alloy: Alloy
• Type: Nickel Wire
• Powder: Not Powder
• Model NO.: 4J45, 4J50 4J52, 4J54
• Condition: Soft or Hard
• Transport Package: Crate
• Specification: Dia. 0.1mm-6.0mm
• Origin: China
• Production Capacity: 5000tons/Year

Product Description

Product Description

Fe-Ni expansion alloy is a series of constant expansion alloy which can match sealing the soft glass and ceramics in electric vacuum industry.

The coefficient of expansion increases with the increase of nickel content.

Detailed Photos

Product Parameters

CODE	C	P	S	Mn	Si	Al	Co	Ni	Fe
4J42	<0.05	<0.020	<0.020	<0.80	<0.30	<0.10	<1.0	41.5~42.5	Bal.
4J45	<0.05	<0.020	<0.020	<0.80	<0.30	<0.10	-	44.5~45.5	Bal.
4J50	<0.05	<0.020	<0.020	<0.80	<0.30	<0.10	-	49.5~50.5	Bal.
4J52	<0.05	<0.020	<0.020	<0.80	<0.30	-	-	51.5~52.5	Bal.
4J54	<0.05	0.020	<0.020	<0.80	<0.30	-	-	53.5~54.5	Bal.

Certifications

Buyer

Description:

Nickel alloy wires

Code:

4J52

Contract No.

Heat No

C20-4452

Standard

Condition

S

Piece

1

Net Weight, kg

63.30

Chemical Content, %

Dimension, mm

C

Si

Mn

P

S

Cr

Ni

Cu

Fe

Φ1.0

0.013

0.18

0.29

<0.020

0.0012

<0.05

52.19

<0.1

Bal.

Φ1.5

0.013

0.18

0.29

<0.020

0.0012

<0.05

52.19

<0.1

Bal.

Φ1.6

0.013

0.18

0.29

<0.020

0.0012

<0.05

52.19

<0.1

Bal.

Φ3.2

0.019

0.18

0.29

<0.020

0.0012

<0.05

52.19

<0.1

Bal.

Dimension, mm	Rm,N/mm^2	A %	Coef.of linear expansion   α. ºC^-1		Net weight,kg
			20-300  ºC	20-450 ºC
Φ1.0	543	31.0	10.2	10.3	11.20
Φ1.5	568	29.5	10.2	10.3	26.70
Φ1.6	548	32.5	10.2	10.3	10.10
Φ3.2	560	32.0	10.2	10.3	15.30