中文 English
Products

Brazing training:
In order to improve the brazing levels and process of all users, we can provide one day training on brazing knowledge and brazing cases.
 

Products
Nickel Alloys
Union Braze offers a wide variety of high-purity nickel alloys for your unique brazing applications. The BNi filler metals are generally used for their corrosion-resistant and heat resistant properties. The following is a list of the alloys we offer. Choose from paste, powder, tape and in many cases, foil.

 
AWS
Ni
Cr
others
MR(℃)
RBT(℃)
Description
UB720
BNi-1
73.2
14
4.5Fe 4.5Si 3.1B 0.7C
977-1038
1066-1024
Corrosion resistant; good strength at high temperatures. For joining nickel, chromium, or iron base metals
UB721
BNi-1a
73.9
14
4.5Fe 4.5Si 3.1B
977-1077
1077-1024
Excellent for wide gap applications. With lower carbon than BNi-1, the formation of carbides is reduced
UB820
BNi-2
82.9
7
3.0Fe 4.1Si 3.0B
971-999
1010-1177
Good general purpose alloy for joining non-ferrous alloys, steels, and thin sections such as heat exchangers and honeycomb components.
UB910
BNi-3
90.9
 
1.5Fe 4.5Si 3.1B
982-1038
1010-1177
Applications is similar to BNi-1 and BNi-2, but better in marginal atmosphere.
UB931
BNi-4
93.1
 
1.5Fe 3.5Si 1.9B
982-1066
1010-1177
Wide melting range with low diffusion. Good for applications with wide gap joints
UB850
BNi-5
70.9
19
10.1Si
1079-1135
1149-1204
A boron-free alloy with good fluidity. Offers low base metal erosion. Use on corrosion and heat resistant base metals
UB932
BNi-6
89
 
11P
877
927-1093
Very free flowing alloy and low melt temperature. Works well in poor atmospheres and for the brazing of low-carbon steels in exothermic atmosphere.
UB933
BNi-7
75.9
14
10.1P
888
927-1093
Free flowing and low melt temperature. For the brazing of honeycomb structures, thin-walled tube assemblies, and other structures that are used at high temperatures. It is recommended for nuclear applications where boron cannot be used.
UB934
BNi-8
65.5
 
23Mn 7.0Si 4.5Cu
982-1010
1010-1093
Used in honeycomb brazements and on stainless steels and other corrosion resistant base metals. Excellent flow. Good for repair of cracks in existing braze joints.
UB935
BNi-9
79.9
15
1.5Fe 3.6B
1055
1066-1204
Silicon free - for stainless steel and aircraft engine components. Suitable for diffusion brazing.
UB936
BNi-10
63
11.5
3.5Fe 3.5Si 2.5B 16W
970-1105
1149-1204
The tungsten is a matrix strengthener that makes it useful for brazing metals containing cobalt, molybdenum and tungsten
UB937
BNi-11
67.9
10.4
3.3Fe 3.8Si 2.7B 11.9W
970-1095
1149-1204
The tungsten matrix hardener makes it suitable for brazing base metals containing cobalt, molybdenum, and tungsten. With its wider melting range, it is suitable for slightly higher than normal brazing clearances.
UB938
BNi-12
65
25
10P
880-950
980-1095
Recommended for nuclear applications and also used to coat base metals, such as copper to protect against oxidation at temperatures such as 816°C.
UB939
BNi-13
78.1
8
4.3Si 3.1B 2.5Cu 2.0Mo 2.0Nb
970-1080
1095-1175
Especially used for brazing 300-series stainless steels when interfacial corrosion has occurred under some conditions.
UB940
BCo-1
17
19
51Co 1.0Fe 8.0Si 4.0W
1120-1149
1149-1232
Generally used for their high-temperature properties and their compatibility with cobalt alloy base metals.

In order to help customers to solve brazing problems, we set up this special column. We hope our answers will help you to establish your brazing process and improve your brazing quality. Please download the following form and send to the service@unionbraze.com after filling the information. We will reply you in one week.

ADD:Dragon City Industrial Park, Longgang District, Shenzhen Venture Building, A608 TEL:0755-28957215 FAX: 0755-89559550 © 2010 Shenzhen UnionBraze