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Lucas-Milhaupt BRAZE 721 (VTG) Grade 1 Silver Based Cadmium Free Filler Metal
| Category | Metal , Nonferrous Metal , Precious Metal , Silver Alloy , Solder/Braze Alloy |
| Manufacturer | Lucas-Milhaupt |
| Trade Name | BRAZE |
| Port | Shanghai port,China |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | L/C, T/T, Western Union |
| Download PDF | Lucas-Milhaupt BRAZE 721 (VTG) Grade 1 Silver Based Cadmium Free Filler Metal.pdf  |
| Price | EMAIL US sales@lookpolymers.com |
Material Notes:
Applications: Braze 721, a VTG version of Braze 720, is designed for all types of moderate temperature vacuum systems and particularly where maximum precautions must be taken to insure the presence of only a minimum amount of detrimental volatile impurities. Specifications: This filler metal conforms to the following specifications: AWS A5.8 BVAg-8 Grade 1, ASME Boiler & Pressure Vessel Code, Sec. II-C, SFA 5.8 BAg-8 Information provided by Lucas-Milhaupt, Inc.
| Physical Properties | Metric | English | Comments |
|---|---|---|---|
| Density | 9.96 g/cc | 0.360 lb/in³ |
| Mechanical Properties | Metric | English | Comments |
|---|---|---|---|
| Tensile Strength at Break | 207 - 241 MPa | 30000 - 35000 psi | Copper butt joint |
| 241 - 276 MPa | 35000 - 40000 psi | Nickel-Silver butt joint | |
| 241 - 345 MPa | 35000 - 50000 psi | Brass butt joint |
| Thermal Properties | Metric | English | Comments |
|---|---|---|---|
| Melting Point | 779.4 °C | 1435 °F | |
| Solidus | 779.4 °C | 1435 °F | Melting Point |
| Liquidus | 779.4 °C | 1435 °F | Flow Point |
| Component Elements Properties | Metric | English | Comments |
|---|---|---|---|
| Cadmium, Cd | <= 0.0010 % | <= 0.0010 % | |
| Carbon, C | <= 0.0050 % | <= 0.0050 % | |
| Copper, Cu | >= 26.838 % | >= 26.838 % | |
| Lead, Pb | <= 0.0020 % | <= 0.0020 % | |
| Other, each | <= 0.011 % | <= 0.011 % | |
| Other, total | 0.050 % | 0.050 % | |
| Phosphorous, P | <= 0.0020 % | <= 0.0020 % | |
| Silver, Ag | 71 - 73 % | 71 - 73 % | |
| Zinc, Zn | <= 0.0010 % | <= 0.0010 % |
| Electrical Properties | Metric | English | Comments |
|---|---|---|---|
| Electrical Resistivity | 0.00000220 ohm-cm | 0.00000220 ohm-cm |
| Processing Properties | Metric | English | Comments |
|---|---|---|---|
| Processing Temperature | 788 - 927 °C | 1450 - 1700 °F | Brazing Range |
| Descriptive Properties | Value | Comments |
|---|---|---|
| Color | White | |
| Corrosion Resistance | 0.28 Mgs/dcm2/Day | Wet/Ammonia Gas, room temperature, closed container |
| nil | Dry Ammonia Gas, room temperature, closed container |
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