Product Properties

● 其他名称：Alloy 52,Glass sealing 52,Pernifer 50,52H,N14052，DIN EN2.4478● Origin: Danyang, Jiangsu, China

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Product Description

● Alloy category: expansion alloy

● Base material shape: wire/strip/bar/pipe/plate

● Application areas: aerospace, industrial field, energy field, automotive field

Product Description and Application

4j52 iron nickel fixed expansion alloy is obtained by adjusting the nickel content in a given temperature range can be different with the expansion coefficient of soft glass and ceramic matching a series of fixed expansion alloy, the expansion coefficient and Curie point increases with the increase of nickel content. The composite gold is widely used in the electric vacuum industry sealing structure material.

Ingredient content of 4J52

Element	Ni	Fe	Cu	C	Si	Mn	S	P
4J52	≤ 50.5%	≤ 48.15%	≤0.2	≤0.05%	≤ 0.3%	≤ 0.6%	≤ 0.025%	≤ 0.025%

Key words:

4J52

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