These high-quality welding consumables are silver brazing alloy rods, which contain silver and other metals to make it durable and efficient in the brazing applications. These rods possess excellent thermal conductivity, superior strength and corrosion resistance. Silver-based solder possesses capabilities such as gap-filling ability, low melting point, good wettability and process performance while it is highly strong with considerable plasticity, electrical conductivity and very corrosive resistant. The solder can braze magnesium or aluminum because of its characteristics. Ferrous metals and non-ferrous metals except for the other low-melting-point materials; so it has a wide range of application areas. Solders are strips, ribbons, wires, rings, pastes with preforms among others as well as flux-cored wire series, “composite” products that may be developed on request for specific needs together with research on new formulas.
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 |
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 |
1. Low Melting Point: The rods of silver brazing alloy exhibit a low melting point that enables them to bond effectively without compromising the integrity of the base materials.
2. High Fluidity: When it is melted, this alloy has high fluidity hence well distributed between joined surfaces for strong and reliable bonding.
3. Excellent Capillary Action: Silver brazing rods have good capillary action which allows small gaps to be filled with the alloy for tight joints, even in complex or intricate assemblies.
4. High Tensile Strength: These can be strong connections for brazed parts that are used in applications requiring structural integrity.
5. Corrosion Resistance: Its durability is contributed by its inherent ability to resist corrosion thus ensuring that the soldered joints last long especially when exposed to detrimental environmental conditions
6. Biocompatibility: Frequently, silver brazing alloys are bio-compatible and can therefore be used in sectors such as medical devices and food processing.
A lot of applications make use of brass solder which is typically used in the ordinary flame welding. In most cases, it is commonly employed in refrigeration, air conditioning, plumbing and electrical industries. We have various formulas that can be produced and we also can work along with you on R&D and customization for cost reduction and efficiency increase in your production process. To be specific if need be please try contacting our technical department.
Silver brazing alloy rods are filler metals used in brazing processes to join two or more base metals. These rods typically contain a significant amount of silver, along with other elements like copper, zinc, and sometimes cadmium.
Silver brazing alloys are known for their high melting points, good fluidity when molten, and strong capillary action, allowing them to form strong joints. The silver content contributes to their excellent thermal and electrical conductivity.
In brazing, the silver alloy rod is heated to its melting point, creating a molten filler material. This molten material is then drawn into the joint by capillary action, creating a strong bond as it solidifies.
Silver brazing is versatile and can be used to join various metals, including copper, brass, stainless steel, and other ferrous and non-ferrous alloys.
Silver brazing is commonly used in applications where a strong, durable, and corrosion-resistant joint is required. This includes industries such as aerospace, automotive, plumbing, and electronics.
Yes, there are various silver brazing alloys with different compositions. The choice of alloy depends on factors like the base metals being joined, the required strength of the joint, and the application's specific requirements.
Safety precautions include proper ventilation to avoid exposure to fumes, the use of protective gear, and adherence to guidelines for handling any hazardous materials, such as cadmium-containing alloys.