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Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework

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Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework

Name: Kovar Alloy Strip of Sealing Alloy 4J29 for Integrated Circuit Framework
Brand: Sealing Alloy 4J29
Price: 30 USD

China Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework wholesale

Brand Name : Sealing Alloy 4J29

Model Number : Kovar / 29НК / 4J29

Certification : ISO 9001 and RoHS

Place of Origin : China

MOQ : 10KG

Price : USD 30~50/ kg

Payment Terms : T/T, Western Union, L/C, Paypal

Supply Ability : 30000KG per month

Delivery Time : 4-8 weeks

Packaging Details : Waterproof paper, Carton and Wooden Case

Shape : Strip, Foil, Sheet, Wire

Condition : Bright/ Oxidized; Soft/ Hard

Standard : YB/T5231-2005 / ГОСТ 14080-78

Color : Silver

Weight of coil : 1~45 KG

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Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework

Application: Vacuum device main seal structure material

Feature: At 20 to 450 degrees and having a linear expansion coefficient similar borosilicate hard glass, high Curie point, has good low temperature stability of the organization. Suitable for use in mercury discharge instrument. Rectangular hysteresis loop.

Specifications

Grade	4J29- Strip
Thickness	0.01~5mm
Width	4~250mm
Weight of coil	2-50 kgs
Condition	Soft/ Hard; Bright/ Oxidized

Chemical composition(%)

Grade	C	Si	Mn	P	S	Ni	Cu	Cr	Mo	Co	Fe
4J29	≤0.03	≤ 0.3	≤ 0.5	≤0.02	≤0.02	28.5~29.5	≤ 0.2	≤0.2	≤0.2	16.8~17.8	Bal.

Physical properties

Density (g/cm³): 8.17
Elastic Modulus (MPa): 165*10³
Mean Coefficient of Thermal Expansion (10^-6/℃): 5.0 (20~400℃); 5.2 (20~450℃)
Curie point (℃): 430
Electrical resistivity (μΩ*cm): 46 (20℃)
Specific heat (J/kg*℃): 418
Thermal conductivity ( W/m. ℃): 20.3

Kovar Alloy - Strip of Sealing Alloy 4J29 for Integrated Circuit Framework

Mechanical properties

		Yield Strength (Mpa)	Tensile Strength (Mpa)	Elongation, %	Hardness, HV
4J29	Cold-rolling	695	780	5	230
4J29	As annealed	315	520	24	148

Product Tags:

precision tubing

kovar alloy

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