NM-NiCu-7

Specification
AWS Specification: AWS A5.14 ER NiCu-7
JIS Specification: N/A
Other Specification: N/A
Description
  • NM-NiCu-7 is a titanium bearing filler metal for gas shielding welding of nickel-copper alloys, (alloy 400 and 404), and dissimilar welding applications, including joining alloy 200 and copper-nickel alloys
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C

Si

Mn

Cu

Ni

Ti

0.15 max.

1.25 max.

4.00 max.

Bal.

62.0 - 69.0

1.5 - 3.0

 

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

483 (70)

30

 

SIZE AND RECOMMENDED CURRENT RANGE: DC (+)

DIAMETER (mm)

Amps

0.8 60 - 180
1.0 70 - 200
1.2 90 - 250

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 MIG welding of nickel-copper alloys that require good strength and resistance to corrosion in many media including sea water, salt, and reducing acids

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