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| INTERNATIONAL CLASSIFICATIONS |
AWS/ASME A 5.6 E CuSn – C
DIN 1733: EL - CuSn7
| FEATURES & APPLICATIONS |
Repairing bronze parts, especially those that are subject to sea water and many other chemicals.
- A special tin-bronze electrode for joining and surfacing on DC (+).
- Tin content makes deposits harder and more wear resistant.
- Deposits are uniform and porosity free.
- Slag is easy to remove.
- Also available in TIG form as item #6008.
| All Weld Metal Analysis (Typical Weight %) |
Microstructure: A multi-phase copper base structure with complex eutectoids.
Flux Color: Light Grey
| 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 58,000 PSI (410 MPa)
Yield Strength 42,000 PSI (290 MPa)
Elongation 33%
Hardness Brinell 107
| Welding Current & Instructions |
Recommended Current: DC Reverse (+)
| Diameter (mm) 1/8 (3.25) 5/32 (4.0) |
| Minimum Amperage 100 125Maximum Amperage 150 190 |
Welding Techniques: Bevel edges of heavy sections. Preheat is not usually required. Maintain a medium arc length. Allow to cool before chipping slag.
Welding Positions: Flat, Horizontal
Deposition Rates:
| Diameter (mm) | Length (mm) | Weldmetal/ Electrode | Electrodes per lb (kg) of Weldmetal | Arc Time of Deposition min/lb (kg) | Amperage Settings |
| 1/8 (3.25) | 14″ (350) | .8 oz. (22g) | 20 (45) | 25 (54) | 125 |
| 5/32 (4.0) | 14″(350) | 1.1 oz (32g) | 14 (31) | 16 (36) | 155 |
| APPROXIMATE ELECTRODE PACKAGING & DIMENSIONS |
| Diameter (mm) | 1/8 (3.25) | 5/32 (4.0) |
| Length (mm) | 14″ (350) | 14″ (350) |
| Electrodes / lb | 13 | 9 |
| Electrodes / kg | 29 | 20 |