Quantcast Solder (tin - lead 50/50)

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TYPE: SOLDER (tin - lead 40/60) ASTM 40A
TYPE: SOLDER (tin - lead 50/50) ASTM 50A
NSN: 9GD 3439-00-188-6986 (3/8X 5 lb. spool)
NSN: 9GK 3439-00-163-4347 (BAR)
9GD 3439-00-273-1637 (1/8X 5 lb. spool)
USES:
This acid core, general purpose solder can be used
USES:
extensively on sheetmetal work. It is cheaper than
A general purpose solder recommended when a
50/50 solder and can be used in similar applications.
combination of a relatively narrow pasty range, good
No flux is needed on small work because of its acid
wetting properties, strength, and economy are desired.
core. (NOTE: SEAL END OF WIRE AFTER
Can be used as a wiping and sweating solder and on
radiator cores, electrical connections, heating units and
USING.)
roofing seams.
PROCEDURES:
Clean and roughen surface as this solder makes a
PROCEDURES:
stronger joint on a rough surface than on a polished
Clean and roughen surface as this solder makes a
one. Joint clearances can be from 0.003 in. to a
stronger joint on rough surfaces than on polished ones.
maximum of 0.010 in. An improper fit requires more
Joint clearances can be from 0.003 in, to a maximum
solder and leaves the joint weaker. If more flux is
of 0.010 in. An improper fit requires more solder and
needed, use NSN 9GD 3439-00-255-4566. Remove
leaves the joint weaker. The flux to use is NSN 9GD
flux residue after soldering.
3439-00-255-4566. Remove flux residue after
soldering joint.
Melting Temperature: 361F
Melting Temperature: 361F
Flow Temperature: 455F
Flow Temperature: 421 `F
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