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Nickel Brazing Alloys

Brazing of nickel, chromium and iron-containing metals, stainless steel

Nickel brazing alloys are used for resisting corrosion and both high temperatures and extremely low-temperature applications. Using an inert gas atmosphere is recommended, but due to the low vapor pressure, vacuum brazing can also be utilized.

Product Composition ISO / UNS/AWS Solidus [°C] Liquidus [°C]
         
BNi-5a 72.2Ni19Cr7.3Si1.5B Ni 660 / N99651 1065 1150
BNi-5a
AMS 4783 55.2Co19Cr17Ni8Si0.8B Co 922 / R39001 1120 1149
BCo-1
AMS 4782 81Ni19Cr10Si Ni 650 / N99650/ 1079 1135
BNi-5
BNi-5b 76.3Ni15Cr7.25Si1.45B Ni 661 / N99652 1030 1126
BNi-5b  
AMS 4776 73.9Ni14Cr4.5Fe4.5Si3.1B Ni 610 / N99610 960 1094
BNi-1a
AMS 4779 94.7Ni3.5Si1.8B Ni 361 / N99640 982 1066
BNi-4
BNi-9 79.9Ni15Cr3.6B1.5Fe Ni 612 / N99612 1055 1055
BNi-9
AMS 4778 92.4Ni4.5Si3.1B Ni 630 / N99630 984 1054
BNi-3
AMS 4775 73.15Ni14Cr4.5Si3.1B4.5Fe0.75C – / – 977 1038
BNi-1
AMS 4777 82.4Ni7Cr4.5Si3.1B3Fe Ni 620 / N99620 970 1025
BNi-2
BNi-7 75.9Ni14Cr10.1P Ni 710 / N99710 888 888
BNi-7
BNi-6 89Ni11P Ni 700 / N99700 877 877
BNi-6