1283 – Tin Bronze DC Electrode

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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                                      125

Maximum 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