High Quality Nickel Expandable Alloy Kovar Price Ni29Co18 Strip

Kovar Strip has been widely used in multiple fields. In terms of electronic packaging, it is commonly used to manufacture integrated circuit packaging, semiconductor devices, vacuum tubes, and electronic components. In the fields of aerospace, optoelectronic instruments, and communication equipment, Kovar Strip is widely used for manufacturing structural components and connectors in high-temperature environments. Due to its excellent performance, Kovar Strip can ensure the stability and reliability of devices under extreme conditions in these fields.

Kovar Strip is a special alloy strip with the brand Kovar, which has low thermal expansion performance, dimensional stability, and good machinability. It plays an important role in fields such as electronics, aerospace, optoelectronic instruments, and communication equipment. Kovar Strip is widely used in packaging components, semiconductor devices, high-temperature structural components, and connectors, ensuring stable and reliable equipment performance.

 

Alloy Type	Trade Name	UNS No.	Specifications	Forms Of Supply
				Rod	Strip	Wire	Sheet
Ni29Co17	Kovar	K94610	ASTM F15	√	√	√	√
FeNi36	Invar 36	K93603	ASTM 1684	√	√		√
FeNi32Co5	Super Invar 32-5	KI93500	ASTMF1684	√	√		√
FeNi27Co25	Ceramvar	F1466	ASTMF1466	√	√	√	√
FeNi42	Alloy 42	K94100	ASTM F30	√	√		√
FeNi46	Alloy 46	K94600	ASTM F30	√	√		√
FeNi48	Alloy 48	K94800	ASTMF30	√	√		√
FeNi50	Alloy 52	K95050	ASTM F30	√	√	√	√

 

Item	1J33	3J01	3J9	4J29	4J32	4J33	4J45	FeNi50	Invar36
C	≤0.05	≤0.05	0.22-0.26	≤0.03	≤0.05	≤0.03	≤0.05	≤0.05	≤0.1
Mn	≤0.05	≤1.00	1.80-2.20	≤0.5	0.2-0.6	≤0.5	≤0.8	≤0.8	≤0.5
Fe	Rest
P	≤0.020	≤0.020	≤0.03	≤0.02	≤0.02	≤0.02	≤0.02	≤0.02	≤0.006
S	≤0.020	≤0.020	≤0.020	≤0.02	≤0.02	≤0.02	≤0.02	≤0.02	≤0.04
Si	0.30-0.6	≤0.80	1.30-1.70	≤0.3	≤0.2	≤0.3	≤0.3	≤0.3	≤0.35
Ni	32.8-33.8	34.5-36.5	9.0-10.5	28.5-29.5	31.5-33	28.5-29.5	44.5-45.5	49.5-50.5	35-38
Al	1.0-2.0	1.00-1.80	--	--	--	--	≤0.1	≤0.1	--
Co	--	--	--	16.8-17.8	3.2-4.2	16.8-17.8	-	-	-
Ti	-	2.70-3.20	-	-	-	-	-	-	-
Cu	-	--	--	--	≤0.2	0.4-0.8	≤0.2	--	--
Cr	--	11.5-13.0	19.0-20.5	≤0.2	--	≤0.2	--	--	--
Mo	--	--	1.60-1.85	≤0.2	--	≤0.2	--	--	--

 

Shape Size(mm) Wire 0.5-7.5 Rod/Bar 8.0-200 Strip (0.5-2.5)*(5-180) Tube custom made Plate custom made