Alloy K Kovar Wire Nickel Based Alloys For High Power Transmitting Valves
Kovar Wire ,UNS K94610 Werkstoff Nr 1.3981 DIN 17745 ASTM F 15 AMS 7726 Wire
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 .
Description
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 |
| Type | Size/mm | Deliver State |
| Bar | 5.0-8.0 | Cold Drawn |
| 8.0-30.0 | Hot rolling | |
| 30.0-180.0 | Hot forging | |
| Plate | 3.5-30.0 | Hot rolling |
| 30.0-40.0 | Hot forging | |
| Strip | 0.2-3.5 | Cold rolling |
| Flat wire | 0.5-5.0 | Hot rolling |
| Round wire | 0.1-5.0 | Cold Drawn |
| Capillary | OD8.0-1.0,ID0.1-8.0 | Cold Drawn |
| Pipe | OD120-8.0, ID8.0-129 | Cold drawn |
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