N-CuSn-A

Specification
AWS Specification: AWS A5.6 ECuSn-A
JIS Specification: N/A
Other Specification: N/A
Description
  • N-CuSn-A is a specially designed for its weld metal deposit to be sea water resistant
  • Good weldability and arc stability
  • Guaranteed porosity free deposit
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

Cu

Fe

Si

Sn

P

Pb

Bal.

0.52

0.10

5.15

0.18

0.02 max

 

TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL DEPOSITS:
Yield Point
N/mm2 (KSI)
 
Tensile Strength
N/mm2 (KSI)
 
Elongation
%
 
Hardness HB
 

250 (36)

424 (61)

24

65 - 75

 

SIZE AND RECOMMENDED CURRENT RANGE: DC (+)

DIAMETER (mm)

3.2

4.0

5.0

LENGTH (mm)

300

350

350

Current Amp

70 - 110

100 - 150

140 - 180


Welding Positions: FLAT, FILLET, VERTICAL UP, HORIZONTAL, OVERHEAD
Approvals: N/A

NOTE:

The information contained or otherwise referenced herein is presented only as “typical” without guarantee or warranty, and Industrial Welding Corporation expressly disclaims any liability incurred from any reliance thereon. Typical data and test results for mechanical properties, deposit, or electrode composition and other properties were obtained from a weld produced and tested according to prescribed standards and should not be assumed to be the expected results in a particular application or weldment. Actual results will vary depending on many factors, including, but not limited to, weld procedure, plate chemistry and temperature, weldment design, and fabrication methods. Users are cautioned to confirm by qualification testing, or other appropriate means, the suitability of any welding consumable and procedure before use in the intended application.

  • For joining and surfacing of copper-alloys, phosphor, and tin bronzes
  • Preheating and interpass temperature are required; for phosphor bronze and gun metal: 150 - 200ºC; for brass: 250 - 300ºC
  • Do not use too much weaving
  • The bead width should be kept within 3x of rod diameter
  • Apply hot peening on every bead because the structure of deposited metal is rough at as welded condition
  • Hot peening is effective to improving mechanical properties

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