SHIELD METAL ARC WELDING (SMAW)

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N-CuAl-A2

Specification
AWS Specification: AWS A5.6 ECuAl-A2
JIS Specification: N/A
Other Specification: N/A
Description
  • N-CuAl-A2 aluminum bronze is the most versatile welding electrode in this family of alloys
  • Contains an additive to inhibit inter-granular stress corrosion cracking, particularly important when welding on C61300 and C61400 base metal
  • Can weld and join many ferrous and nonferrous metals and combinations of dissimilar metals, including the weldable grades of cast iron, high and low carbon steels, copper, bronzes, and copper-nickel alloys
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

Cu

Al

Si

Fe

Bal.

7.20

1.08

3.50

 

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

240 (35)

530 (77)

27

110 - 120

 

SIZE AND RECOMMENDED CURRENT RANGE: DC (+)

DIAMETER (mm)

3.2

4.0

5.0

LENGTH (mm)

350

350

350

Current Amp

100 - 120

120 - 140

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.

  • Buildign up bearing surface
  • Joining and fabricating copper alloys
  • Overlaying for resistance to corrosion and erosion
  • Aluminum bronze
  • Silicon bronze
  • Manganese bronze
  • Cupro-nickel
  • Copper to steel
  • Bearings
  • Preheat at 250 - 300ºC in the case of welding brass
  • Keep the arc length as short as possible
  • Do not use too much weaving

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