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Low Fuming Bronze - Brazing Rod - C681 |
Copflo low fuming bronze is a low melting point brazing rod, easy to
work with and excellent for sheet metal work.
- Copflo weld deposits are non-porous, ensuring leak proof joints for
oil, gas and water lines.
- Copflo possesses a high tensile strength and excellent ductility.
- The weld deposit changes rapidly from a fluid to a solid state.
- Preheating is required for certain applications and Copflo comes
highly recommended.
Copflo brazing rod/filler metal is heated to melting temperature above
450 °C (842 °F) and distributed between two or more close-fitting parts by
capillary action. At its liquid temperature, the molten filler metal and
flux interacts with a thin layer of the base metal, cooling to form a
strong, sealed joint.
Copflo - Low Fuming Bronze
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Cu |
57.00 |
59.00 |
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Sn |
0.80 |
1.10 |
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Pb |
0.05 |
Max. |
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Fe |
0.30 |
0.70 |
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Al |
0.01 |
Max. |
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Mn |
0.04 |
0.20 |
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Ni |
0.15 |
Max |
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Si |
0.10 |
0.15 |
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S |
0.10 |
Max. |
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Zn |
Diff. |
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Total impurities |
|
0.20 |
Related specifications - Low Fuming Bronze
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ASTM/AWS R Cu Zn C |
BS 1453 C4 |
UNS C68100 |
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Sabs 392 |
BS 1845 CZ7 |
DIN 1733 S-Cu Zn 39 Sn Wn 2.0532 |
Copflo - Suitable to braze or weld
Copper alloys, nickel alloys, cast iron, stainless steel and steel.
Uses for Copflo
- Joining production applications
- Repairing of broken or defective steels and cast iron parts
- Repairing of cast iron in foundry castings
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- Machine shops for correcting errors
- Maintenance and tool rooms for repairing tools and equipment
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Copflo Advantages
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- High strength
- Low residual stress
- Easy machinability
- Less susceptible to cracking
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- Minimizes distortion and thermal stress
- Soft and ductile weld deposits
- Welding or filler joint are made at lower temperature than gas
or arc welding
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C681 - Low Fuming Bronze - Physical and Mechanical Properties
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Tensile strength |
63,500 psi / 420 mpa |
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Elongation |
25.5% |
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Brinell hardness |
95.5 |
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Melting point |
1625°F / 887°C |
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Solidification |
1590°F / 868°C |
Size Range
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A (mm) |
Mass (Kg/m) |
A (mm) |
Mass (Kg/m) |
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1.20 |
0.0096 Coils only |
3.18 |
0.0673 |
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1.59 |
0.0168 |
3.20 |
0.0681 |
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1.60 |
0.0170 |
4.00 |
0.1064 |
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2.00 |
0.0266 |
4.76 |
0.1507 |
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2.38 |
0.0377 |
5.00 |
0.1663 |
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2.40 |
0.0383 |
5.55 |
0.2049 |
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3.00 |
0.0599 |
6.00 |
0.2395 |
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3.18 |
0.0673 |
6.35 |
0.2682 |
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3.20 |
0.0681 |
10.00 |
0.6652 |
Lengths
Packing and Labeling
- Tied in 5 Kg plastic sleeves marked Copflo.
- Packed in 250Kg or 500kg wooden crates.
- Labeling to suite your requirements.
- Each rod stamped Copflo.
See pgs 6-7 of
the Copalcor Product Catalogue
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