This product is the Silver Solder Rods being shown in the pictures. This particular one has been designed with numerous needs of different industrial applications, and therefore it offers an excellent performance in metal connections. The Silver Solder Rods produced by Guangyanlong are manufactured from high purity materials thus ensuring that they have got higher joint strength, better conductivity and high resistance against corrosion.
These brazing alloys based on silver, for instance welding rods’ are useful when working with diverse metals including copper, brass as well as stainless steel. These ones are mostly used in accuracy-critical end-use sectors within industries like electronics, HVAC and automotive. Moreover, Guangyanlong also provides alternative products that cater to their clientele’s specific requirements such as other shapes including ring-like or irregularly-shaped pieces as well as pastes for them to choose from. Being innovative, environmentally sustainable and producing quality products continue to be important aspects for Guangyanlong Welding Materials which offers top-level brazing solutions aimed at increasing production efficiency and improving product quality for all customers across the globe.
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 | |
1. High silver content: Silver Solder Rods usually contain a certain proportion of silver, which not only improves the electrical and thermal conductivity of the welded joint, but also enhances its corrosion resistance. Welding rods with high silver content are suitable for occasions with high requirements for welding quality.
2. Low melting point: Compared with other types of welding rods, Silver Solder Rods have a lower melting point, which makes them easier to handle during welding, reduces the heat-affected zone of the parent material, and thus reduces welding deformation and thermal stress.
3. Good flow: Silver Solder Rods have good fluidity when melted, can fill small gaps and form uniform welded joints. This feature is particularly important in precision welding.
4. High strength: The weld formed by silver welding rods has high mechanical strength, can withstand large loads, and is suitable for welding structures with high strength requirements.
5. Environmental protection: Compared with lead-based welding rods, Silver Solder Rods are more environmentally friendly and meet the environmental protection requirements of modern industry.
1. Storage conditions: Silver Solder Rods should be stored in a dry, ventilated environment, avoiding moisture and high temperature to prevent oxidation of the electrode surface and performance degradation.
2. Pre-treatment before use: Before use, the surface of the electrode should be cleaned to remove any oxides or stains to ensure the quality of welding. Special cleaning agents or sandpaper can be used for treatment.
3. Appropriate welding parameters: According to different applications and materials, choose the appropriate welding current and temperature to avoid overheating that may cause electrode performance degradation or weld defects.
4. Regular inspection: Regularly check the status of welding equipment to ensure that the welding gun and soldering iron are clean and in good performance to extend the service life of the welding rod.
5. Safe operation: When welding with Silver Solder Rods, appropriate protective equipment such as gloves, goggles and protective clothing should be worn to prevent skin and eye damage.
1. Electronics industry: In the welding of electronic components, Silver Solder Rods are widely used due to their high conductivity and low melting point. They can be used to weld circuit boards, connectors and semiconductor devices.
2. Aerospace: The aerospace industry has extremely high requirements for welding materials. Silver Solder Rods are used for structural welding and repair of aircraft and spacecraft due to their high strength and corrosion resistance.
3. Medical equipment: In the manufacture of medical equipment, Silver Solder Rods are used to weld stainless steel and titanium alloy parts to ensure the hygiene and durability of the equipment.
4. Jewelry making: In the jewelry industry, Silver Solder Rods are used for fine metal welding, especially the repair and production of silver jewelry.
5. Automobile manufacturing: In the automotive industry, Silver Solder Rods are used to weld radiators, fuel systems and exhaust systems to ensure the reliability and durability of components.
Flux may be required depending on the metals being soldered and the specific application. Flux helps prevent oxidation and ensures a strong bond during the soldering process.
Yes, Silver Solder Rods are suitable for high-temperature applications due to their strong thermal stability and resistance to oxidation.
Yes, Silver Solder Rods from Guangdong Guangyanlong Welding Materials Co., Ltd are lead-free and produced using environmentally friendly processes, making them a safer and more sustainable option.
Yes, Silver Solder Rods are suitable for food-grade applications, especially when soldering stainless steel components in food processing equipment.
Yes, Guangdong Guangyanlong Welding Materials Co., Ltd offers customization options, including different sizes and forms, to meet the specific needs of customers.
Yes, due to their excellent flow characteristics and strong joint formation, Silver Solder Rods are often used in jewelry making and repair.
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