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Lucas-Milhaupt BRAZE 650 (Easy) Silver Based Cadmium Free Filler Metal

Category Metal , Nonferrous Metal , Precious Metal , Silver Alloy , Solder/Braze Alloy
Manufacturer Lucas-Milhaupt
Trade Name BRAZE
Port Ningbo port,China
Trade Terms FOB, CFR, CIF
Payment Terms L/C, T/T, Western Union
Download PDF Lucas-Milhaupt BRAZE 650 (Easy) Silver Based Cadmium Free Filler Metal.pdf
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Material Notes:
Characteristics: This alloy is a intermediate silver brazing filler metals with a slight tendency to liquate (i.e. separate into low and high melting constituents) if heated slowly through their melting ranges. When this filler metal is used for brazing silver base alloys, the remelt temperature is raised by solution of silver in the brazing alloy. Conversely, the remelt temperature of this brazing alloy is lowered by solution of copper when brazing copper base alloys. Applications: This brazing filler metal is commonly used in the silversmithing trade and other applications where their silver-white color is advantageous in color-matching, and the corrosion resistance of high-silver, low-zinc alloy is desired. This filler metal is often used in combination to perform sequential or step brazing of adjacent joints, to avoid remelting the previously made joints. Because of its zinc content, this filler metal can be used to join iron and nickel-base alloys. Specifications:This alloy conform to the following specifications: AWS - A 5.8 BAg-9, ASME Boiler & Pressure Vessel Code Sec. 11-C, SFA 5.8 BAg-9 Information provided by Lucas-Milhaupt, Inc.
Physical Properties Metric English Comments
Density 9.60 g/cc
0.347 lb/in³
Mechanical Properties Metric English Comments
Tensile Strength at Break 172 - 207 MPa
25000 - 30000 psi
Copper butt joint
241 - 310 MPa
35000 - 45000 psi
Brass butt joint
379 - 414 MPa
55000 - 60000 psi
Nickel-Silver butt joint
Elongation at Break 13 - 19 %
13 - 19 %
% in 2", Brass butt joint
20 - 25 %
20 - 25 %
% in 2", Nickel-Silver butt joint
21 - 27 %
21 - 27 %
% in 2", Copper butt joint
Thermal Properties Metric English Comments
Melting Point 671 - 718.3 °C
1240 - 1325 °F
Solidus 671 °C
1240 °F
Melting Point
Liquidus 718.3 °C
1325 °F
Flow Point
Component Elements Properties Metric English Comments
Copper, Cu 19 - 21 %
19 - 21 %
Other, total <= 0.15 %
<= 0.15 %
Silver, Ag 64 - 66 %
64 - 66 %
Zinc, Zn 13 - 17 %
13 - 17 %
Electrical Properties Metric English Comments
Electrical Resistivity 0.00000810 ohm-cm
0.00000810 ohm-cm
Descriptive Properties Value Comments
Color White
Corrosion Resistance 10.4 Mgs/dcm2/Day
20% Sulphuric Acid, room temperature, constant immersion
17.9 Mgs/dcm2/Day
10% Sulphuric Acid, room temperature, constant immersion
21.2 Mgs/dcm2/Day
5% Sulphuric Acid, room temperature, constant immersion
40.3 Mgs/dcm2/Day
10% Sulphuric Acid, 95°C, in vapors
61.9 Mgs/dcm2/Day
5% Sulphuric Acid, 70°C, contact immersion
63.9 Mgs/dcm2/Day
20% Sulphuric Acid, 70°C, constant immersion
93 Mgs/dcm2/Day
10% Sulphuric Acid, 70°C, constant immersion
None
1% Sulphuric Acid, 95°C, in vapors
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