Brazing Rings are top-quality welding materials composed of silver and other metals, designed for effective and durable brazing applications. These alloys exhibit superior strength, excellent thermal conductivity, and corrosion resistance. Silver-based solder has excellent process performance, low melting point, good wettability and gap-filling ability, high strength, good plasticity, electrical conductivity and excellent corrosion resistance. It can be used to braze aluminum and magnesium. All ferrous metals and non-ferrous metals except other low melting point metals, it has a wide range of applications. The solder is available in the form of strips, ribbons, wires, rings, pastes, etc., as well as preforms, "composite" products and flux-cored wire series. And can cooperate with customized research and development of new formulas.
●Cadmium-Free Silver-Based Solder
BrazingAlloys | AWS | Chemical Composition(%) | Solidus | Liquidus | Main Uses | |||||
Ag | Cu | Zn | Sn | F | ℃ | F | ℃ | |||
BAg5CuZn | 5 | 58 | 37 | / | 1545 | 840 | 1615 | 880 | Suitable for nickel-chromium alloy resistance components, brazing and heat treatment can be performed at the same time. Suitable for copper-based alloys such as brazing/cyanide hardening by changing instruments or joining steel parts. Suitable for steel, brazing and heat treatment at the same time. Low silver solder for ferrous and non-ferrous metals. | |
BAg7CuSn | 7 | 85 | / | 8 | 1225 | 665 | 1805 | 985 | ||
BAg10CuZn | 10 | 83 | 37 | / | 1499 | 815 | 1562 | 850 | ||
BAg15CuZnSn | 15 | 47 | 37 | 1 | 1364 | 740 | 1526 | 850 | ||
BAg18CuZnSn | 18 | 47.5 | 33 | 1.5 | 1436 | 780 | 1490 | 830 | ||
BAg20CuZn | 20 | 45 | 35 | / | 1319 | 715 | 1499 | 815 | ||
BAg25CuZn | 25 | 41 | 32 | / | 1292 | 700 | 1472 | 800 | ||
BAg35CuZn | BAg-35 | 35 | 32 | 33 | / | 1265 | 685 | 1390 | 754 | |
BAg38CuZnSn | 38 | 32 | 28 | 2 | 1200 | 650 | 1330 | 720 | ||
BAg40CuZn | 40 | 30 | 30 | / | 1245 | 675 | 1340 | 725 | ||
BAg40CuZnSne | BAg-28 | 40 | 30 | 28 | 2 | 1200 | 650 | 1310 | 710 | |
BAg45CuZn | BAg-5 | 45 | 30 | 25 | / | 1225 | 665 | 1370 | 745 | |
BAg45CuZnSn | 45 | 27 | 25 | 3 | 1185 | 640 | 1260 | 680 | ||
BAg50CuZnSn | 50 | 20 | 28 | 2 | 1220 | 660 | 1305 | 705 | ||
BAg56CuZnSn | BAg-13a | 56 | 42 | / | 2 | 1420 | 770 | 1640 | 895 | |
BAg60CuZn | 60 | 25 | 15 | / | 1245 | 675 | 1325 | 720 | ||
BAg25CuZnSn | BAg-37 | 25 | 40 | 33 | 2 | 1270 | 690 | 1435 | 780 | It has lower melting point, high strength, good brazing process and good overall joint performance. It can braze copper and copper alloys, steel and stainless steel as well as quenched and tempered steel with lower brazing temperature. |
BAg30CuZnSn | 30 | 36 | 25 | 2 | 1202 | 650 | 1346 | 750 | ||
BAg34CuZnSn | 34 | 36.5 | 27 | 2.5 | 1166 | 630 | 1346 | 730 | ||
BAg40CuZnSn | BAg-28 | 40 | 30 | 28 | 2 | 1173 | 634 | 1364 | 740 | |
BAg45CuZn | BAg-5 | 45 | 30 | 25 | / | 1229 | 665 | 1373 | 745 | |
BAg45CuZnSn | BAg-36 | 45 | 27 | 25 | 3 | 1184 | 640 | 1256 | 680 | |
BAg50CuZn | 50 | 25 | 25 | / | 1274 | 690 | 1427 | 775 | ||
BAg50Cu | BVAg-6b | 50 | 50 | / | / | 1435 | 780 | 1600 | 870 | |
BAg56CuZnSn | BVAg-7 | 56 | 23 | 16 | 5 | 1144 | 618 | 1205 | 652 | |
BAg72Cu | BVAg-8 | 72 | 28 | / | / | 1434 | 779 | 1434 | 779 |
●Cadmium-Containing Brazing Rings
BrazingAlloys | AWS | Chemical Composition(%) | Solidus | Liquidus | Main Uses | ||||||
Ag | Cu | Zn | Cd | Ni | F | ℃ | F | ℃ | |||
BAg18CuZnCd | 18 | 39 | 28 | 15 | / | 1184 | 640 | 1373 | 745 | Used for low-cost brazing of copper and copper alloys, steel and stainless steel. | |
BAg20CuZnCd | 20 | 40 | 25 | 15 | / | 1121 | 605 | 1409 | 765 | ||
BAg25CuZnCd | BAg-33 | 25 | 30 | 27.5 | 17.5 | / | 1124 | 607 | 1259 | 682 | Mainly used for brazing ferrous metals, nickel-based alloys and Cu-Ni alloys; it has good fluidity. |
BAg30CuZnCd | BAg-2a | 40 | 28 | 21 | 21 | / | 1112 | 600 | 1274 | 690 | |
BAg35CuZnCd | BAg-2 | 45 | 26 | 21 | 18 | / | 1121 | 605 | 1292 | 700 | |
BAg40CuZnCd | 45 | 16.8 | 17.5 | 25.5 | 0.2 | 1103 | 595 | 1121 | 605 | ||
BAg45CuZnCd | BAg-1 | 50 | 15 | 16 | 24 | / | 1124 | 607 | 1146 | 619 | |
BAg50CuZnCd | BAg-3 | 50 | 16.5 | 14.5 | 16 | 3 | 1169 | 632 | 1270 | 688 |
High-quality connection: Brazing rings can provide high-quality connections because the melting of alloy materials during the brazing process can fill the tiny gaps between metal parts to form a dense connection layer. This connection is not only high in strength, but also has good sealing performance.
Precise control of alloy dosage: Modern brazing ring designs are often able to precisely control the amount of alloy used, which helps reduce production costs while reducing waste. For example, some brands of brazing rings use calculated alloy volumes to ensure that they work with standard-sized copper tubes and other components.
Easy to use and verify: Brazing rings are relatively simple to use because they usually have standardized sizes and shapes for easy installation and positioning. In addition, the joints after brazing usually have obvious appearance features, such as uniform welds and smooth surfaces, which helps workers to visually verify and ensure the quality of the connection.
Adaptability: Brazing rings are suitable for the connection of a variety of metal materials, including copper, aluminum, steel, etc. This allows them to be used in a wide range of industrial fields.
HVACR installation application: In the heating, ventilation, air conditioning and refrigeration (HVACR) industry, brazing rings are widely used to connect components such as copper tubes. They can provide reliable sealing and connection strength to ensure the stable operation of the system. Especially in refrigeration systems that need to withstand high pressure and high temperature, the connection performance of brazing rings is particularly important.
Automotive Industry: Brazing rings also play an important role in automobile manufacturing. They are used to connect various metal parts, such as engine cooling systems, fuel systems, etc. The high strength and sealing performance of brazing rings help ensure the normal operation of these critical systems, thereby improving the overall performance and safety of the car.
Aerospace: In the aerospace field, the quality and reliability of the connected parts are extremely high. Brazing rings are widely used in the manufacture of aircraft and spacecraft due to their high strength, good sealing and corrosion resistance. They are used to connect various metal structural parts and piping systems to ensure the safe flight of aircraft and spacecraft.
Other Industrial Applications: In addition to the above fields, brazing rings are also widely used in other industrial fields, such as electronics, communications, and medical equipment manufacturing. In these fields, brazing rings can provide reliable connection solutions to meet various complex and special needs.
The highlights of Silver Brazing Alloys come in bonding strength, resistance to corrosion, and thermal conductivity. Last but not the least, these alloys give joints in metalwork which are dependable even in critical working conditions.
Our Silver Brazing Alloys can bond with metals which include copper, brass, steel, stainless steel, and nickel alloys. This makes them most functional in metalworking.
In many application cases yes, it is necessary to use the fluxes together with Silver Brazing Alloys to achieve good strong and clean joints. Besides that we make recommendations for using flux, tailored to the exact materials and applications that you are using.
Industries like automotive industry, HVAC, aerospace, plumbing and electrical engineering segments are the users of our Silver Brazing Alloys. Because they are dependable and perform very well, such constructions are suited for need of strong, reliable joints.
Tight quality management processes are in place during the entire production process. Each batch is subjected to exhaust testing so that the composition, the purity, and the mechanical properties of alloys produced are consistent and acceptable for metalwork.