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Soldering Process

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The joining of metals using a filler metal

of a lower melting point

Soldering Process: 

The joining of metals using a filler material of a lower melting point than that of the parent metals to be joined.

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Key Benefits of Soldering:

  • Produces smooth, favorable appearance than a welded joint.

  • Low power is required.

  • Low process temperature.

  • Microstructure is not affected by heat.

  • Easily automated process.

  • Dissimilar materials may be joined.

  • High variety of materials may be joined.

  • Thin wall parts may be joined.

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Applications:

  • Electronics/Electrical, aerospace, automative, HVAC/R, construction, fine jewellery

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Soldering vs Brazing:

  • Soldering - The filler metal used has a liquidus below 840F (450C) and below the solidus of the base metals.

  • Brazing - The filler metal used has a liquidus above 840F (450C) and below the solidus of the base metals.

Brazing vs Welding

Silver Solder

Product Key                Classifications                       Key Benefits

Silver 45

AWS A5.08: BAg-5

IS 2927: BaCuAg 14

BS 1845: AG15

DIN 8513: L-Ag44

DIN EN 1044: AG203

NFA81-362: 45 A2

ISO 3677: BAg45CuZn 660-740

Key Benefits:

  • It is an excellent filler metal for brazing brass parts (such as ship piping, band instruments, aircraft engine oil collers, brass lamps etc.)

Silver 45Cd

AWS A5.08: BAg-1

IS 2927: BaCuAg15

DIN 8513: L-Ag45Cd

DIN EN 1044: AG302

AMS: 4769

Key Benefits:

  • Suitable for use on most metals except aluminum and magnesium

  • Used for joining steel, stainless steel, copper, copper alloys, nickel, nickel alloys or combinations of these metals.

  • Has a narrow melting range which is not apparent in most brazing operations, making it flow freely through capillary action.

Silver 45Sn

AWS A5.08: BAg-36

EN ISO 17672-2010: AG145

DIN 8513: L-Ag45Sn

DIN EN 1044: AG104

ISO 3677: BAg45CuZnSn 640-680

Key Benefit:

  • Low temperature, free flowing, Cd-Free Alloy

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