Supply 4J40 wire rod price Invar alloy performance chemical composition

Supply wire rod price due to the chemical composition of Var alloy performance
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Song type ~
It has a low wire heating expansion coefficient within the range of Song type. It is a high-temperature and low-expansion alloy
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'. In the vacuum industry, various klystrons and resonant cavities of microwave tubes are constructed, etc. br/>宋体,
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'. Within a certain temperature range, it has a linear heating expansion coefficient close to that of soft glass
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'. The soft glass responds to neutralization in the electric vacuum industry The glass is matched and sealed
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'.br/>Song type,
Song type,
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'. It has a certain linear heating expansion coefficient within a certain temperature range.
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'. The vacuum industry neutralizes soft glass or responds to ceramics for matching sealing
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'. Certain temperature range It has a linear heating expansion coefficient close to that of hard glass
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'. It is suitable for sealing with hard glass in the vacuum industry
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宋体~
It has a certain linear heating expansion coefficient within the Song Dynasty scale
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'. The vacuum industry neutralizes the corresponding hard glass for matching sealing
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'. Within a certain temperature range, it has a linear heating expansion coefficient close to that of soft glass. Corrosion resistance
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'. Electric vacuum industry neutralizes and responds to soft glass for matching sealing
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'.br/>'()
()< br/>'.Has a certain line heating expansion coefficient within the scope of
Song style~
Song style
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'.Meisi core
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'().br/>Song style,
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'. Within the scope of
Song style~
Song style, it has the same characteristics as
Song style%
Song style porcelain The linear heating expansion coefficient near the pottery
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'
Song style
Song style and other porcelains are matched and sealed
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'.
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'. It has a certain linear heating expansion coefficient within the
Song Dynasty scale. It has high dimensional stability
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'. Looking for precision linear rulers with stable dimensions
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'.br/>'(). Song Dynasty,
宋体,
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'. It has a medium-line heating body expansion coefficient in the range from room temperature to
宋体. Non-magnetic, corrosion-resistant, with high strength and toughness
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Used as non-magnetic non-matching porcelain sealing material in twisters and other electric vacuum devices
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