上海蒙镍特种合金有限公司为您提供kovar可伐合金astm f-15光棒精密管--蒙镍销售部。【---】可伐合金4j29铁镍钴合金分析与研究【蒙镍技术部】
铁镍钴合金4j29kovar,可伐合金,科瓦合金,astm f-15
用途:用于制作与硬玻璃匹配封接的铁镍钴合金带材,棒材,板材,管材。
适用于发射管、振荡管、引燃管、晶体管以及管封插头、继电器外壳等电真空器件。
在20℃-450℃温度范围内具有一定的线膨胀系数,能与硬玻璃进行匹配牢固封接。
相近牌号
gb/t aisi/astm jis w.nr
4j29 f15 emas-1001 1.3912
4j29 的化学成分:
合金 % 镍 铬 铁 钴 铜 碳 锰 硅 磷 硫 钼
4j29 小 28.5 余量 16.8
--- 29.5 0.2 17.8 0.20 0.03 0.50 0.30 0.02 0.02 0.20
平均线膨胀系数10-6℃:
20~100℃ 20~300℃ 20~400℃ 20~450℃ 20~500℃ 20~530℃ 20~600℃
—— —— 4.6~5.2 5.1~5.5 —— —— ——
4j29合金在较宽的温度范围(-80~450℃)内膨胀系数与硬玻璃的膨胀系数相近,在电真空工业中,用来与硬玻璃封接制造高气密性元器件,也可以和陶瓷封接。名称:铁镍钴玻封合金。在 20~450 ℃具有与 硅硼硬玻璃相近的热膨胀系数,居里点高,具有---的低温组织稳定性。为铁镍钴玻封合金。
以上资料由monelalloy
科研中心提供,如有转载,请麻烦告知
kovar alloy capillary 1.5*0.2 spot
---ysis&research on kevar 4j29 fe-ni-co alloy
fe-ni-co alloy 4j29 (kovar, kovar, kovar, astm f-15)
uses: used for --- iron nickel cobalt alloy strip, bar, plate&pipe m---hed with hard glass sealing.
suitable for transmitting tube, oscillating tube, ignition tube, transistor, tube seal plug, relay shell&other electrical vacuum devices.
in the temperature range of 20℃-450℃ has a certain linear expansion coefficient, can m---h with hard glass firm sealing.
close to the brand
gb/t
aisi/astm
jis
w.nr
4j29
f15
emas-1001
1.3912
chemical co-ition of 4j29:
alloy
%
nickel
chromium
iron
cobalt
copper
carbon
manganese
silicon
phosphorus
sulfur
molybdenum
4j29
* small
28.5
allowance
16.8
* big
29.5
0.2
17.8
0.20
0.03
0.50
0.30
0.02
0.02
0.20
average linear expansion coefficient (10-6℃:
20 ~ 100 ℃
20 ~ 300 ℃
20 ~ 400 ℃
20 ~ 450 ℃
20 ~ 500 ℃
20 ~ 530 ℃
20 ~ 600 ℃
4.6 ~ 5.2
5.1 ~ 5.5
the expansion coefficient of 4j29 alloy is similar to that of hard glass in a wide temperature range (-80~450℃). in the electric vacuum industry, it can be used to seal with hard glass to make high air tightness components,&also can seal with ceramics. name: iron nickel cobalt glass seal alloy. at 20 ~ 450 ℃, it has similar thermal expansion coefficient with borosilicate hard glass, high curie point,&good microstructure stability at low temperature. for iron nickel cobalt glass seal alloy.
the above information is provided by the scientific research cct of shanghai mengni spe---l alloy co., ltd. if reprinted, please kindly inform us
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推荐关键词:
钴基合金,
镍基合金,
高温合金,
特种不锈钢,
精密合金