Kovar Wire Alloy 29-17 UNS K94610 ( Regular size 2.5mm ,3mm, 3.5mm). Kovar (Alloy K) is used for high-power transmitting valves, transistor leads and headers, integrated-circuit lead frames, and photography flash bulbs. 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 .
Material
Russia |
USA |
England |
Japan |
Franch |
Germany |
29HK |
kovar |
Nilo K |
KV-1 |
Dilvar P0 |
Vacon 12 |
29HK-B? |
Rodar
Techallony Glasseal29-17 |
Teleaseal |
KV-2
KV-3 |
Dilver P1 |
Silvar |
Content Composition %
C |
P |
S |
Mn |
Si |
Cu |
Cr |
Mo |
Ni |
Co |
Fe |
Less than |
0.03 |
0.02 |
0.02 |
0.5 |
0.3 |
0.2 |
0.2 |
0.2 |
28.5-29.5 |
16.8-17.8 |
Rest |
Physical properties
Density |
g/cm3 |
8.25 |
Curie Point |
℃ |
430 |
Resistivity |
μ?· m |
0.48 |
Tensile strength Mpa |
Cold state |
|
Annealing |
520 |
Yield strength Mpa |
Cold state |
|
Annealing |
330 |
Elongation % |
Cold state |
|
annealing |
30 |