4J29 Kovar strip

Specifications 4J29 kovar strip

Size: 0.08mm-3mm*2mm-250mm

1J79   Chemcial composition     F15  

GB/T	AISI/ASTM	JIS	W.Nr
4J29	F15	EMAS-1001	1.3912

  4J29 Chemical composition:  

Alloy	%	Ni	Cr	Fe	Co	Cu	C	Mn	Si	P	S	Mo
4J29	Min	28.5		Bal	16.8
	Max	29.5	0.2		17.8	0.20	0.03	0.50	0.30	0.02	0.02	0.20

  Average coefficient of linear expansion(10-6°C:  

20~100°C	20~300°C	20~400°C	20~450°C	20~500°C	20~530°C	20~600°C
——	——	4.6~5.2	5.1~5.5	——	——	——

         

Alloy	%	Ni	Mo	Cu	C	Si	Mn	P	S
1J79	Min.	78.5	3.8			0.3	0.6
	Max.	80	4.1	0.2	0.03	0.5	1.1	0.02	0.02

    1J79 Phycial propertities:

Denity	8.6 g/cm³
Melting Point	450°C

  1J79 minimum mechanical properties in the room temperature

Alloy	Shape	Propertities
		μO(mH/m)	μm (mH/m)	Hc (A/m)	Bs(T)
1J79	Cold Rolled strip	≥31	≥250	≤1.2	0.75
	Bar, wire, plate	≥25	≥125	≤2.4	0.75