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NT-CuMnNiAl
AWS Specification: AWS A5.7/ASME SFA5.7 ER CuMnNiAl
JIS Specification:
Other Specification:

I. APPLICATIONS:

  • Ship propellers

  • Marine components

  • Welding AMPCO 495

  • Welding cast iron

  • Joining dissimilar metals

     

II. DESCRIPTION:

NIHONWELD NT-CuMnNiAl manganese-nickel-aluminum bronze is available in

bare filler metal rod and wire for welding cast ship propellers conforming to MIL-B-

21230, Alloy 2 (AMPCO 495) for high resistance to corrosion, erosion and

cavitation. NIHONWELD NT-CuMnNiAl also exhibits good ability to join

dissimilar metals.

 

III. TYPICAL CHEMICAL COMPOSITION OF WELD METAL (%):

 

Cu

Al

Fe

Ni

Mn

Others

Bal

7.0-8.5

2.0-4.0

1.5-3.0

11.0-14.0

0.50 max

IV. TYPICAL MECHANICAL PROPERTIES OF WELD METAL :

Tensile Strength

Ksi (MPa)

Yield Strength

Ksi (MPa)

Elongation (%)

110 (759)

67 (462)

27

V. TIG AVAILABLE SIZES:

Dia.(mm)

2.4

3.2

Length (mm)

1000

1000

Unit wt./packing (kgs.)

5

5

TEST RESULT

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.