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Kovar (Nilo®, Alloy K) / 1.3981 / UNS K94610

Kovar®是一种镍-铁-钴合金,具有与硬玻璃一样的热膨胀系数。由于科瓦合金坚韧且用途广泛,因此在UNS K94610合金的整个制造过程中采用了广泛的质量控制,以确保一致的物理和机械性能,从而始终如一地实现深冲,冲压和机加工。此外,Kovar®的热膨胀系数(CTE)是其最具机能性的机械性能。它的膨胀特性与硼硅酸盐(或耐热玻璃)玻璃和氧化铝陶瓷相匹配。仅此一项就可以确保它是用于气密密封应用的高度流行的受控膨胀合金(也称为玻璃对金属密封)。

科瓦合金主要特性

密度 g/cm³ 8.26  
居禮溫度 °F 815 °C 435
熔点 °F 2640 °C 1449
弹性模量 at 20°C MPa 207
比热 J/g- °C 0.11
导热系数 at 20°C W/m.k 17.3
热膨胀 W.m-¹°C 0.17
电阻率 mm²/m 49
泊松系数 0.317 7

经营范围

该材料主要用于棒材或电线。欢迎向我们查询其他尺寸。

金属交易平台

ECONOXX.com为买家提供一个全新且简单的采购渠道,包括以有利条件采购少量和特殊合金材料。

 

材料数据表

ASTM F15
UNS K94610
AMS I-23011 CL1
   
   
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Product Count

Coil (36)

Coil slit strip (26)

Coil slit strip Coil slit strip
26

Sheets & plates (1688)

Sheets & plates Sheets & plates
1688

Tubes round (79)

Tubes round Tubes round
79

Full material square-cut (18)

Full material square-cut Full material square-cut
18

Tubes quadratic or rectangular (3)

Tubes quadratic or rectangular Tubes quadratic or rectangular
3

Hexagon-Shape (13)

Hexagon-Shape Hexagon-Shape
13

U-Shape (1)

U-Shape U-Shape
1

Wire Coil (3)

Wire Coil Wire Coil
3

Flat Steel (9)

Flat Steel Flat Steel
9

Cuts, fittings, other shapes (21)

Cuts, fittings, other shapes Cuts, fittings, other shapes
21

Disk (3)

Round bars (269)

Round bars Round bars
269

Ingots "square" (8)

Ingots "square" Ingots "square"
8

科瓦合金的应用

科瓦合金主要应用于

  • 密封插头
  • 电子工业中晶体管和二极管的生产
  • 化学和科学研究中的真空系统
  • 电子管(电源,微波,X射线)
  • 混合电路箱
  • 振荡器外壳
  • 太阳能接收器
  • 科学仪器

科瓦合金的化学成份

Ni Co Fe Mn Si C
29 17 余下 0.5 0.2 0.04

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Material Outlet by Hempel

ECONOXX.com offers buyers a new and uncomplicated procurement channel, which also includes small quantities and materials in special alloys at favourable conditions.

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Product Count

Coil (36)

Coil slit strip (26)

Coil slit strip Coil slit strip
26

Sheets & plates (1688)

Sheets & plates Sheets & plates
1688

Tubes round (79)

Tubes round Tubes round
79

Full material square-cut (18)

Full material square-cut Full material square-cut
18

Tubes quadratic or rectangular (3)

Tubes quadratic or rectangular Tubes quadratic or rectangular
3

Hexagon-Shape (13)

Hexagon-Shape Hexagon-Shape
13

U-Shape (1)

U-Shape U-Shape
1

Wire Coil (3)

Wire Coil Wire Coil
3

Flat Steel (9)

Flat Steel Flat Steel
9

Cuts, fittings, other shapes (21)

Cuts, fittings, other shapes Cuts, fittings, other shapes
21

Disk (3)

Round bars (269)

Round bars Round bars
269

Ingots "square" (8)

Ingots "square" Ingots "square"
8