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Silver Welding Rod Introduction
Silver Welding Rod Introduction
Silver Welding Rod is a kind of brazing filler metal with silver or silver-based solid, which has excellent technological properties, low melting point, good wettability and ability to fill gaps, high strength, good plasticity, excellent conductivity and corrosion resistance. It can be used to braze all ferrous and non-ferrous metals except aluminum, magnesium and other low-melting metals, and is widely used in refrigeration, lighting, hardware and electrical appliances, instrumentation, chemical industry, aerospace and other industrial manufacturing fields.
Silver phosphor copper welding rod brand comparison and brief introduction(Standard:GB/T10046-2000)
Environmental protection silver copper phosphorus solder, with low melting point, can also be processed into welding pieces, welding ring, wire coil products, can be used for brazing copper, copper alloy products,comply with ROSH standard and is widely used.
| BW-AgP2 | AWS BCuP-6 | BCu91PAg |
料209 Solder 209 |
With silver content of 2%, melting point of 645-790℃,It has good fluidity and filling capacity, and is widely used in the brazing of copper and copper alloys in industries such as air conditioners, refrigerators, and mechanical and electrical. |
| BW-AgP5 | AWS BCuP-3 | BCu89PAg |
料205 Solder 205 |
With silver content of 5%, melting point of 645-785℃, improved plasticity and higher strength than BW-AgP2, suitable for welding copper (copper alloy) workpieces with slightly higher requirements and certain vibration. |
| BW-AgP15 | AWS BCuP-5 | BCu80PAg |
料204 Solder 204 |
With silver content of 15%, melting point of 645-800℃,good joint plasticity and conductivity,suitable for brazing of medium gap joints.and can also be used for brazing joints of copper and its alloy bearing vibration load. |
Silver welding rod environmental protection solder brand comparison and brief introduction (Standard:GB/T10046-2000)
Environmental protection silver solder, excellent welding effect, the most commonly used solder, excellent processing performance, can be made into welding wires, welding pads, solder rings, solder pieces, etc., and can be used for welding ferrous metals such as copper, copper alloy, steel, stainless steel, iron, nickel cemented carbide, etc., which meets the strictest European ROSH standard and meets the needs of export products, and is the most widely used material.
| BW-Ag18B |
With silver content of 18%, melting point of 770-810℃,slightly higher melting point, good wettability and filling property, economical price. It can be weld copper, copper alloy, stainless steel, etc. |
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| BW-Ag20A |
德标:L-20 German standard: L-20 |
With silver content of 20%, melting point of 690-810℃,environmental protection solder with good fluidity, filling property and high strength, can be used for brazing cemented carbide. |
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| BW-Ag25A | BAg25CuZn |
料302 Solder 302 |
Environmental protection solder containing 25% silver, melting point 700-800℃. Good fluidity, beautiful weld, good strength, slightly higher melting point, can be welded copper, steel, alloy and other materials. |
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| BW-Ag25B | AWS BAg-37 |
With silver content of 25%, melting point of 680-760℃,slightly lower than BWAg25A, better fluidity and filling property,can be welded copper (copper alloy), stainless steel and other materials. |
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| BW-Ag30A | AWS BAg-20 | BAg30CuZn |
With silver content of 30%, melting point of 677-766℃,the joints have good comprehensive performance and can be brazed steel, stainless steel, copper and copper alloy. |
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| BW-Ag35A | BAg35CuZn |
With silver content of 35%, melting point of 685-750℃,Environmental protection silver solder with low melting temperature and good toughness, can brazing copper, copper alloy, steel and other materials. |
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| BW-Ag35B | BAg34CuZnSn |
With silver content of 35%, melting point of 620-720℃,Medium melting temperature, good fluidity, stable performance and good strength. Can be welded copper, iron, stainless steel and other materials. |
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| BW-Ag40A | BAg40CuZn |
With silver content of 40%, melting point of 620-730℃,good fluidity, permeability and toughness, and better joint comprehensive performance,can be welded copper, iron, stainless steel and other materials. |
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| BW-Ag40B | AWS BAg-28 | BAg40CuZnSn |
With silver content of 40%, melting point of 650-700℃,High strength, good fluidity, especially ideal for welding ferritic steels and non-ferritic steels. |
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| BW-Ag40BNi | BAg40CuZnSnNi |
料322 Solder 322 |
With silver content of 40%, melting point of 630-640℃,low melting point, good fluidity, environmental protection solder, can be used for brazing copper, stainless steel, etc |
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| BW-Ag45A | AWS BAg-5 | BAg45CuZn |
料303 Solder 303 |
With silver content of 45%, melting point of 665-745℃,Good comprehensive performance, good strength, excellent toughness and permeability. It is often used for brazing of electromechanical, food machinery and parts with high surface finish requirements. It has a wide range of applicability. |
| BW-Ag45B | AWS BAg-36 | BAg45CuZnSn |
With silver content of 45%, melting point of 645-680℃,Same performance as BW-Ag45A, but lower melting temperature. |
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| BW-Ag50A | AWS BAg-6 | BAg50CuZn |
料304 Solder 304 |
With silver content of 50%, melting point of 690-775℃,the joints have good comprehensive performance, high strength and good impact resistance, can be used for brazing in electrical, dairy and food industries, as well as for cemented carbide welding. |
| BW-Ag56B | AWS BAg-7 | BAg56CuZnSn |
With silver content of 50%, melting point of 620-650℃,Good brazing performance,, low temperature, small melting range, often used for brazing in food industry, electronics industry. |
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| BW-Ag72 | BAg72Cu |
料308 Solder 308 |
With silver content of 72%, melting point of 779℃,It is eutectic solder without zinc, suitable for gas shielded brazing and vacuum brazing. |
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Cadmium containing silver solder brand and properties brief introduction
(Standard:GB/T10046-2000)
Not environmental protection silver solder, and the cadmium-containing solder has low melting point, good fluidity and weldability, and can be processed into welding wire, welding ring, and welding piece shapes, which is widely used in the production of various industrial products, but cadmium-containing silver welding rod has a certain toxicity, and not suitable for brazing products in direct contact with food, medicine and drinking water.
| BW-Ag10C | BAg10CuZnCd |
With silver content of 10%, melting point of 788-820℃,good economy, slightly high melting point, can be used for the occasion of low process requirements. Also can make welding ring to weld pipe products. |
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| BW-Ag18C | BAg18CuZnCd |
With silver content of 72%, melting point of 779℃,good fluidity, low price, suitable for rapid brazing, and often made into welding rings to weld tubular materials such as copper and iron. |
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| BW-Ag20C |
德标L-Ag20Cd German standard L-Ag20Cd |
BAg20CuZnCd |
With silver content of 20%, melting point of 620-760℃,good fluidity and economical price. It can weld most materials such as copper, steel and nickel. |
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| BW-Ag25C | AWS BAg-27 | BAg25CuZnCd |
With silver content of 25%, melting point of 605-720℃,melting point is lower than BW-Ag20C, the process performance is further improved and widely used. |
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| BW-Ag30C | BAg-2a | BAg30CuZnCd |
With silver content of 30%, melting point of 620-690℃,good fluidity, enhanced toughness, and can brazing copper alloy, steel, nickel alloy and other materials. |
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| BW-Ag35C | AWS BAg-2 | BAg35CuZnCd |
料314 Solder 314 |
With silver content of 35%, melting point of 605-700℃,low melting point, good fluidity, can brazing copper alloy, steel, nickel alloy and other materials. |
| BW-Ag40CNi | BAg40CuZnCdNi |
料312 Solder 312 |
With silver content of 40%, melting point of 595-605℃,lowest melting point, good welding technology and good strength, suitable for welding hardened steel, small and thin parts, cemented carbide, etc. |
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| BW-Ag45C | AWS BAg-1 | BAg45CuZnCd |
With silver content of 45%, melting point of 605-620℃,small melting range and good fluidity, suitable for rapid brazing of copper, iron and stainless steel etc., |
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| BW-Ag50C | AWS BAg-1a | BAg50CuZnCd |
料313 Solder 313 |
With silver content of 50%, melting point of 625-635℃,good strength, good fluidity, can penetrate into small gaps. |
Tips:1.Grease, oxide and other dirt on the surface of the workpiece and solder must be strictly removed before brazing. The best clearance of brazing joint is 0.03~0.075mm
2.Silver phosphorus copper solder, attention to the rapid heating brazing as far as possible, so as to form beautiful brazing joint, if the heating time is too long, or brazing temperature is too high, it is possible to produce pores.
3.Silver phosphorus copper solder does not need welding powder (solder paste) for welding copper, but brazing brass can be matched with welding powder (solder paste), which makes the weld more beautiful after welding. The general weld seam into black after welding and bright gray after pickling.
4.Non-phosphorus solders are generally brass after normal brazing,cadmium-containing brazing solder seam color is red and white, with the increase of silver content, environmental protection solder seam color is more white.
5.Silver Welding Rod is usually used with silver welding powder (silver solder paste) as a flux to help the electrode better melting and penetration into the weld.
Silver Welding Rod product specifications
Welding wire series: Ф0.5-3.0 Coiled wire
Welding Rod Series: Ф1.0-Ф6.0 Welding Rod 1.3×3.2 Flat welding rod
Strip series: thickness 0.1-0.25 Strip or flat wire
Welding ring series : Wire diameter Ф0.5－Ф3
Welding rings of various specifications with inner diameter above ф 3.5
ผับเวลา : 2025-09-24 10:51:27
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