What is the ideal temperature for silver brazing filler metals?

The ideal temperature for silver brazing filler metals is indeed above 800 degrees F but below the melting point of the base metals being joined. This temperature range is essential because it allows the brazing filler metal to achieve the necessary fluidity and adhesion to properly flow into the joint without melting the base metals.

When the brazing filler metal reaches this temperature, it can effectively fill gaps between the base metals, creating a strong bond upon cooling. The filler metal's melting point is specifically designed to be lower than that of the base metals to prevent distortion, warping, or other heat-related damage to the components being joined.

Maintaining the brazing temperature within this range ensures that the joint remains intact and retains the integrity of the base materials, which is crucial for the durability and reliability of the final assembly. Thus, option C accurately reflects the requirements for effective silver brazing.