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NIHONWELD N-7016-WCr
AWS Specification: E7016-G
JIS Specification:

DA5016W

Other Specification:

I. APPLICATIONS:

Welding of 50 kgf/mm2 high tensile strength atmospheric corrosion resisting steels and superior atmospheric corrosion resisting steels for bridges, structures, and rolling stock.

II. DESCRIPTIONS:

      N-7016-WCr is a low hydrogen type electrode. Deposited metal contains copper, chromium and nickel and shows high resistance to atmospheric corrosion. Excellent crack resistance to atmospheric corrosion. Excellent crack resistance and mechanical properties due to its low hydrogen type coating make it suitable for welding medium and thick plates.

       III. NOTES ON USAGE:

  • Dry the electrodes at 300-350°C for 30-60 minutes before use.

  • Adopt back step method or strike the arc on a small steel plate prepared for this purpose to prevent blowholes at the arc starting.

  • As excessive heat-input deteriorates impact values, weld with proper heat-input selected according to the impact values required.

IV. TYPICAL CHEMICAL COMPOSITION OF DEPOSITED METAL (%):

 

C

Si

Mn

Cr

Ni

Cu

0.05

0.55

0.62

0.59

0.20

0.38

V. TYPICAL MECHANICAL PROPERTIES OF DEPOSITED METAL

 

Yield Point

N/mm2 (ksi)

Tensile Strength

N/mm2 (ksi)

Elongation

%

Impact Value

°C, J (°F, Ft-Lbs)

480 (70)

570 (83)

29

, 230 (32°, 170)

VI. WELDING POSITIONS: ALL POSITION-EXCEPT VERTICAL DOWN

VII. SIZES & RECOMMENDED CURRENT RANGE: AC or DC (+)

 

Diameter, mm

Length, mm

2.5

350

3.2

350

4.0

400

5.0

400

Current,

A

F

55-85

90-130

130-180

180-240

V, OH

50-80

80-115

110-160

130-180

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.