NM-CuNi

Specification
AWS Specification: AWS A5.7 ER CuNi
JIS Specification: N/A
Other Specification: N/A
Description
  • NM-CuNi is an alloyed rod for joining and surfacing similar alloys with a nickel content up to 30%
  • Exhibits excellent resistance to sea water corrosion
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C

Si

Mn

Cu

Ni

Ti Fe

0.04 max.

0.25 max.

1.0 max.

Bal.

29.0 - 32.0

0.20 - 0.50 0.40 - 0.70

 

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

345 (50)

29

 

SIZE AND RECOMMENDED CURRENT RANGE: DC (+)

DIAMETER (mm)

Amps

0.8 50 - 120
1.0 65 - 140
1.2 75 - 170

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.

  • Marine and desalination applications

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