Vacuum grade brazing alloys (VTG) are free of high-vapor-pressure elements and are manufactured to maintain impurities at low levels. VTG alloys are used to fabricate vacuum tubes for electronic devices for which service life and operating characteristics are of prime importance.
| Product | AWS | AMS | Composition | Solidus | Liquidus |
|---|---|---|---|---|---|
| Silver Braze In15 VG | BVAg-29 | - | AG 61.5% CU 24% IN 14.5% | 1155 F | 1305 F |
| BVAg-8b | BVAg-8b | - | AG 71.5% CU 28% NI 0.5% | 1435 F | 1463 F |
| Silver Braze 72 VG | BVAg-8 | - | AG 72% CU 28% | 1435 F | 1435 F |
| BVAg-0 | BVAg-0 | - | AG 99.95% | 1761 F | 1761 F |
| Gold Braze 35623 VG | BVAu-3 | - | AU 35% CU 62% NI 3% | 1814 F | 1850 F |
| Gold Braze 3565 VG | BVAu-9 Grade 1 | - | AU 35% CU 65% | 1814 F | 1850 F |
| Gold Braze 3762 VG | - | - | AU 37.5% CU 62.5% | 1815 F | 1860 F |
| Gold Braze 5025 VG | BVAu-7 | 4784 | AU 50% NI 25% PD 25% | 2015 F | 2050 F |
| Gold Braze 7008 VG | BAu-6 | 4786 | AU 70% NI 22% PD 8% | 1845 F | 1915 F |
| Gold Braze 8218 VG | BVAu-4 | 4787 | AU 82% NI 18% | 1740 F | 1740 F |
| BVAu-8 | BVAu-8 | - | AU 92% PD 8% | 2190 F | 2265 F |
| PAL 10 VG | BVAg-31 | - | AG 58% CU 32% PD 10% | 1515 F | 1565 F |