Silver Braze 40Sn2
Silver Braze 40Sn2 Technical Data
Uses
Silver Braze 40Sn2 is a good general purpose, cadmium-free intermediate temperature brazing filler metal for joining steels, copper, copper alloys and nickel alloys. Silver Braze 40Sn2 is commonly used in refrigeration work and plumbing but can be used in the construction, electronics and autmotive manufacturing industries.
Brazing Characteristics
Silver Braze 40Sn2 is a free-flowing, intermediate filler metal and as such is a good substitute for cadmium-bearing filler metals with similar silver contents. Silver Braze 40Sn2 is a free-flowing, gap filling brazing alloy often chosen for its lower temperature. The materials is best suited for narrow gap situations (0.001”-0.005” radial joint clearance). Flux should be used with Silver Braze 40.
Properties of Brazed Joints
The properties of a brazed joint are dependent upon numerous factors including base metal properties, joint design, metallurgical interaction between the base metal and the filler metal.
| Tensile Strength (lbs/in2) |
Elongation(%in 2in.) |
|
| Copper | 28,000-33,000 | 25-35 |
| Brass | 35,000-45,000 | 15-30 |
| Low Carbon Steel | 55,000-65,000 | 8-13 |
| 304 Stainless Steel | 80,000-85,000 | 2-5 |
Specifications
Silver Braze 40Sn2 conforms to American Welding Society (AWS) A5.8/A5.8M BAg-28
Available Forms
Silver Braze 40Sn2 is available in wire, strip, engineered preforms, specialty preforms per customer specification, powder and paste.
Compare With
- AWS: BAg-28
- EN: AG 105
- Lucas: Silvaloy 402
- PI: Silver Braze 40Sn2
- UNS: P07401
Specifications
- Brazing Temperature Range High: 1410 F / 766 C
- Brazing Temperature Range Low: 1360 F / 738 C
- Liquidus: 1310 F / 710 C
- Solidus: 1200 F / 649 C
Composition
- Ag: 40%
- Cu: 30%
- Zn: 28%
- Sn: 2%
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