SHIELD METAL ARC WELDING (SMAW)

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N-NiCrFe-4

Specification
AWS Specification: AWS A5.11 ENiCrFe-4
JIS Specification: N/A
Other Specification: N/A
Description
  • N-NiCrFe-4 is nickel chromium iron electrode similar to N-NiCrFe-3
  • Featues higher yield and tensile strength
  • Formulated to operate with AC current that combats magnetic arc blow
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C

Si

Mn

Fe

Ni

 Mo Cr

0.15

0.78

2.20

8.00

Bal.

 2.80 15.50

 

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

655 (95)

20

 

SIZE AND RECOMMENDED CURRENT RANGE: AC

DIAMETER (mm)

3.2

4.0

5.0

LENGTH (mm)

350

350

350

Current Amp

Flat

70 - 110

100 - 150

130 - 180

Vertical & Overhead

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.

  • For welding of 9% nickel steel, such as ASTM A333, A334, A353, A522, and A553
  • Also used for joining Incoloy® 800 to itself or to high nickel alloys 200 and 201
  • Joining Incoloy® 800 to 9% nickel steels or to nickel-copper Monel® 400 and K-500.
  • Preheating is not necessary
  • Avoid continuous welding
  • Effective to weld under 150ºC for reduced cracking tendency
  • Dry the electrodes at 150 - 200ºC for 30 - 60 minutes before use

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