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| INTERNATIONAL CLASSIFICATIONS |
AWS/ASME A 5.6 E CuSn - C
DIN 1733: EL – CuSn8
| FEATURES & APPLICATIONS |
For joining a wide variety of copper base alloys to themselves and to steels and cast irons.
- AC – DC tin bronze electrode can be used as an electric brazing rod.
- Bronze electrode that works very well on AC current.
- Excellent for joining copper base alloys not only to themselves but to stainless steel, cast iron, and steels.
| All Weld Metal Analysis (Typical Weight %) |
Microstructure: A multi phase copper base structure with complex eutectoids.
Flux Color: Dark Brown
| Sn | Fe | P | Al | Mn | Pb | Si | Ni | Other | Cu |
| 8 | .1 | .1 | .01 | .01 | .02 | .05 | .05 | .50 | Bal |
| Typical Mechanical Properties |
Undiluted Weld Metal Maximum Value Up to:
Tensile Strength 50,000 PSI (340 MPa)
Yield Strength 30,000 PSI (210 MPa)
Elongation 18%
Hardness Brinell 105, Rockwell B78
| Welding Current & Instructions |
Recommended Current: DC Straight (-) or AC
| Diameter (mm) 3/32 (2.5) 1/8(3.25) 5/32 (4.0) |
| Minimum Amperage 75 100 120Maximum Amperage 105 135 160 |
Welding Positions: FlatWelding Techniques: Remove all surface contamination from weld area. Maintain a short arc gap and fill in craters prior to extinguishing the arc.
Deposition Rates:
| Diameter (mm) | Length (mm) | Weldmetal/ Electrode | Electrodes per lb (kg) of Weldmetal | Arc Time of Deposition min/lb (kg) | Amperage Settings |
| 3/32 (2.5) | 14″ (350) | .6 oz. (17g) | 27 (59) | 54 (118) | 85 |
| 1/8 (3.25) | 14″(350) | .7 oz (20g) | 22 (48) | 38 (83) | 120 |
| 5/32 (4.0) | 14″ (350) | 1 oz (28g) | 15 (32) | 20 (45) | 140 |
| APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS |
| Diameter (mm) | 1/8 (3.25) | 5/32 (4.0) | 3/16 (5.0) |
| Length (mm) | 14″ (350) | 14″ (350) | 14″ (350) |
| Electrodes / lb | 22 | 14 | 9 |
| Electrodes / kg | 48 | 31 | 20 |