Brazing filler metal used for joining steel plates_________________?

1.	Brazing filler metal used for joining steel plates_________________?
A.	Melts below the melting points of base metals
B.	Melts below 300°C
C.	Is copper phosphorous alloy
D.	Is copper
Answer» B. Melts below 300°C

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Brazing filler metal used for joining steel plates_________________?

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