SHIELD METAL ARC WELDING (SMAW)

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N-NiCrMo-3

Specification
AWS Specification: AWS A5.11 ENiCrMo-3
JIS Specification: N/A
Other Specification: N/A
Description
  • N-NiCrMo-3 is a nickel-chromium-molybdenum electrode designed for welding of Inconel® 625 or 601, for high strength welds on 9% nickel steels, and for overlaying carbon steel
  • Used for joining dissimilar combinations of steels or stainless steels to nickel-iron-chromium alloys, such as Incoloy® 800 or 801 
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C

Si

Mn

Fe

Cr

Ni

 Mo Nb & Ta

0.06

0.44

0.73

5.07

21.50

60.18

 8.75 3.50

 

TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL DEPOSITS:
Yield Point
N/mm2 (KSI)
 
Tensile Strength
N/mm2 (KSI)
 
Elongation
%
 
441 (64)

770 (112)

40

 

SIZE AND RECOMMENDED CURRENT RANGE: AC, DC (+)

DIAMETER (mm)

2.5

3.2

4.0

5.0

LENGTH (mm)

300

350

350

350

Current Amp

Flat

60 - 90

70 - 110

100 - 150

130 - 180

Vertical & Overhead

50 - 80

65 - 105

95 - 140

-

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.

  • Commonly used in the nuclear industry for pressure vessel superheaters, steam separators, and tube plates
  • Used in cryogenic installations
  • Chemical and petrochemical applications
  • Heat treatment and case hardening of industrial furnace parts
  • Joining Inconel® 625, 718, X-750 and 760 to 9% nickel steels
  • Welding Incoloy® 825 to carbon steel, stainless steel, and low alloy steel
  • Joining Inconel® 625, Monel® K-500, Incoloy® 800 and 825 to Inconel® 706, 718 and X-750
  • Weldability is the same as austenitic stainless steel
  • Keep the interlayer temperature under 100ºC and cool it as fast as possible
  • Keep the welding current as low as possible
  • Dry the electrodes at 150-200ºC for 30-60 minutes before use

ABOUT US

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