0 Inch Super High Quality Kovar 1j50 1j79 3j53 4j42 Nickle Alloy Steel Rod Kovar Bars

Kovar Bar also exhibits excellent dimensional stability. It can maintain small dimensional changes when temperature changes, so it is widely used in high-precision equipment and instruments. Kovar Bar maintains a dimensional match with other components, reducing stress and mismatch issues caused by thermal expansion, ensuring device accuracy and stable performance.

Kovar Bar also has good processability and weldability. It can be hot or cold worked into rods of various diameters and lengths to meet the needs of different applications. At the same time, Kovar Bar can also be easily welded with other materials to achieve reliable connections. This makes Kovar Bar more flexible during the manufacturing process and able to meet complex packaging and connection requirements.

 

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