Kovar Nickel Iron Cobalt Alloy For High-Reliability Glass-To-Metal Seals
|
Kovar / Nilo K (ASTM F15)
|
Kovar Chemical Composition (Basic Density 8.36) | |||||||||||||
Weight % | Ni | Fe | Co | C | Mn | Si | Al | Cr | Mg | Zr | Ti | Cu | Mo |
Alloy K Kovar | 29.0 | 53.0 | 17.0 | 0.04 max | 0.50 max | 0.20 | 0.10 max | 0.20 max | 0.10 max | 0.10 max | 0.10 max | 0.20 max | 0.20 max |
Typical Mechanical Properties
Material | Condition | Yield Strength (0.1% Offset) | Tensile Strength | Elongation % | ||
psi | MPa | psi | MPa | |||
Alloy K Kovar | Annealed | 49,000 | 340 | 75,000 | 520 | 42 |
Availability
Alloy K / Kovar is available (further details) in Bar, Rod, Tube, Sheet, Strip, Coil, Plate and Wire. For all stock availability contact Sales for further availability.
Specifications UNS K94610 Werkstoff Nr 1.3981 DIN 17745 ASTM F 15 AMS 7726 Wire AMS 7727 Bars and Forgings AMS 7728 Sheet, Strip and Plate MIL-I-23011 class 1 AFNOR NF A54-301 S.E.W 385 DILVER P | Registered Names Kovar ® Nicoseal ® Nicosel ® Rodar ® Telcoseal ® Sealvar ® Alloy 29-17 ® Nilo K ® Dilver ® Pernifer 29-18 ® |
![]() |
0.02-8mmSoft Magnetic Alloys Wire / Precision Alloy / 1J46 |
![]() |
0.1mm 0.6mm High Elastic Modulus Elastic Alloy 3j53 Wire For Optical And Electronic Components |
![]() |
Excellent Mechanical Properties Elastic Alloy Wire 3j53 Wire 0.2mm / Strip For Elastic Connector |
![]() |
Ferromagnetic Precipitation Strengthened Constant Elasticity Alloy NiSpanC 3j53 Alloy Wire For Medical Apparatus |
![]() |
Ni-Cr-Ti-Fe Alloy Wire High Precision Constant Elastic Alloy Wire For Ultra Mechanical Filters |
![]() |
High Precision Constant Elastic Wire 0.1mm 0.5mm Ni-Cr-Ti-Fe Alloy Wire For Precision Machinery |