Silver brazing alloys 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 Silver-Based Solder
| 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 | |
Brass solder has a wide range of applications and is commonly used in ordinary flame welding. It is mainly used in refrigeration, air conditioning, plumbing and electrical industries. We can produce all kinds of formulas, and can also cooperate with R&D and customization to reduce costs and increase efficiency for your production. Specifically Please contact the technical department if required.
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.
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