Brazing Rings
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Brazing Rings
Brass Brazing Rings
| Brazing Alloy | Melting Range | Principal areas of application | |
| (oC) | |||
| Solidus | Liquidus | ||
| S221 | 890 | 905 | Suit for brazing copper,steel,hard metal,etc,economical. |
| S226 | 890 | 905 | Suit for brazing copper,steel,hard metal,etc,economical. |
| 106 | 880 | 909 | High strength of the joint suit for brazing hard metal instrument under heavy operating load below 500 |
Phos-copper-silver brazing rings
Product Number | Related Standard | Chemical Composition | Melting Range(°C) | Application | |||
Ag | P | Cu | Solidus | Liquidus | |||
GB-2B | BCu91PAg | 1.8-2.2 | 6.8-7.2 | Bal. | 645 | 788 | For brazing copper parts in airconditioners, freezers, refrigerators and motors. The brazing performance is excellent. |
BCuP-6 | 1.8-2.2 | 6.8-7.2 | Bal. | 645 | 788 | ||
L-Ag2P | 2.0 | 6.2 | Bal. | 645 | 825 | ||
GB-5B | BCu89PAg | 4.8-5.2 | 5.8-6.7 | Bal. | 645 | 815 | |
BCuP-3 | 4.8-5.2 | 5.8-6.2 | Bal. | 645 | 815 | ||
BCuP-7 | 4.8-5.2 | 6.5-7.0 | Bal. | 645 | 785 | ||
L-Ag5P | 5.0 | 6.0 | Bal. | 645 | 815 | ||
GB-6B | BCu87PAg | 5.8-6.2 | 7.0-7.5 | Bal. | 645 | 724 | |
BCuP-4 | 5.8-6.2 | 7.0-7.5 | Bal. | 645 | 724 | ||
GB-15B | BCu80AgP | 14.5-15.5 | 4.8-5.2 | Bal. | 645 | 800 | |
BCuP-5 | 14.5-15.5 | 4.8-5.2 | Bal. | 645 | 800 | ||
L-Ag15P | 15.0 | 5.0 | Bal. | 645 | 800 | ||
GB-18B | BCu75PAg | 17.5-18.5 | 6.0-6.5 | Bal. | 645 | 680 | For brazing copper and copper alloys in motors,transformation equipment and spectacles. |
18M | 18.0 | 6.3 | Bal. | 645 | 680 | ||
L-Ag18P | 18.0 | 7.05 | Bal. | 645 | 645 | ||
Aluminium Brazing Rings
Aluminium Brazing Ring is a welding ring that container magnesium aluminum filler metal. The weld deposit of this filler metal offers good corrosion resistance when exposed to salt water. This alloy is commonly used on base metals 5050,5052,5083,5356,5454 and 5456. The post-anodizing color tint of the weld area is white.
TYPICAL MECHANICAL PROPERTIES
Tensile strength:269 MPa
Yield strength:132MPa
Elongation:17%
Melting Point:571-635°C
Processing Temp.:600-645°C
Thermal Conductivity:~100W/m°C
27.7%IACS
Electrical Resistivity:~6.0µΩcm
~28%IACS
Welding Process:MIG,TIG
Anodizing: Excellent
Corrosion Resistance: Excellent. Very good in marine atmosphere
Conductivity: Poor
Chemical Composition (%):
Cu1.8-2.2, Mg4.5-5.5,other<0.5, Al:bal.(There are different composition for different models of Aluminium Brazing Ring )
APPLICATION
Parent Metals:5000 series alloys(AlMg) with Mg<4%,6000(AlMgSi) alloys when anodized. Cast alloys of AlSi-Mg type. In practice the most versatile and universally used filler metal.
Silver Brazing Ring
————–Cd Free Silver Brazing Alloy
Brazing alloy | Standards | Compisition/% | Melting Range /℃ | Application | ||
Ag | Cu | Zn | ||||
XR-Ag25 | GB：BAg25CuZn | 24.0-26.0 | 40.0-42.0 | Bal. | 700-800 | An economical low silver filler metal used for ferrous metals, stainless steel, copper, brass except aluminum, used in mechanical and electrical industries, refrigeration, musical instruments. |
XR-Ag45 | GB：BAg45CuZn AWS：BAg-5 | 44.0-46.0 | 29.0-31.0 | Bal. | 665-745 | It is an excellent filler metal for brazing brass parts (such as ships piping, band instruments, aircraft engine oil coolers, brass lamps etc). |
XR-Ag65 | GB：BAg65CuZn AWS：BAg-9 | 64.0-66-0 | 19.0-21.0 | Bal. | 685-720 | Used particularly for joining sterling silver. Good color match with sterling silver. |
—————Cd/In Containing Silver Brazing Alloys
| Brazing alloy | Standards | Compisition/% | Melting Range/℃ | Application | ||||
| Ag | Cu | Zn | Cd | In | ||||
| XR-Ag20Cd | GB：BAg20CuZnCd | 19.0-21.0 | 39.0-41.0 | Bal. | 13.0-17.0 | — | 605-765 | Have good fillet forming properties with ability to bridge wide gaps. Their wide melting range limits their applications. Due to their wide melting range they are somewhat more subject to liquation and may require more care during brazing. Therefore, they are not normally recommended for applications with slow heating rates. |
| XR-Ag25Cd | GB：BAg25CuZnCdAWS：BAg-33 | 24.0-26.0 | 29.0-31.0 | Bal. | 16.5-18.5 | — | 607-682 | |
| XR-Ag35Cd | GB：BAg35CuZnCdAWS：BAg-2 | 34.0-36.0 | 25.0-27.0 | Bal. | 17.0-19.0 | — | 605-700 | A free flowing general purpose brazing alloy. It’s broader melting range is helpful where clearances are wide or are not uniform. Unless heating is rapid, care must be taken that the lower melting constituents do not separate out by liquation. |
| XR-Ag50Cd | GB: BAg50CuZnCdAWS: Bag-1a | 49.0-51.0 | 14.5-16.5 | Bal. | 17.0-19.0 | — | 625-635 | One of the lowest melting point silver brazing alloys available. It has excellent flow characteristics. The highest joint strength can be obtained with this alloy. Has better resistance to corrosion in chlorine, sulphur and steam environments. |
| XR-Ag18In | — | 17.0-19.0 | 46.0-48.0 | Bal. | — | 0.8-1.2 | 792-810 | An economical low silver filler metal used for ferrous metals, stainless steel, copper, brass except aluminum, used in mechanical and electrical industries, refrigeration. |
| XR-Ag34In | GB：BAg34CuZnIn | 33.0-35.0 | 34.0-36.0 | Bal. | — | 0.8-1.2 | 660-740 | It is an excellent filler metal for brazing compressor parts. |
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