Lucas-Milhaupt BRAZE 721 (VTG) Grade 2 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 721 (VTG) Grade 2 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 2, 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/inÂ³

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 Â°C	1435 Â°F
Solidus	779.4 Â°C	1435 Â°F	Melting Point
Liquidus	779.4 Â°C	1435 Â°F	Flow Point

Component Elements Properties	Metric	English
Cadmium, Cd	<= 0.0020 %	<= 0.0020 %
Carbon, C	<= 0.0050 %	<= 0.0050 %
Copper, Cu	>= 26.907 %	>= 26.907 %
Lead, Pb	<= 0.0020 %	<= 0.0020 %
Other, each	<= 0.012 %	<= 0.012 %
Other, total	<= 0.050 %	<= 0.050 %
Phosphorous, P	<= 0.020 %	<= 0.020 %
Silver, Ag	71 - 73 %	71 - 73 %
Zinc, Zn	<= 0.0020 %	<= 0.0020 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.00000220 ohm-cm	0.00000220 ohm-cm

Processing Properties	Metric	English	Comments
Processing Temperature	788 - 927 Â°C	1450 - 1700 Â°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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