N-11018-M

Specification
AWS Specification: AWS A5.5 E11018-M
JIS Specification: N/A
Other Specification: N/A
Description
  • The N-11018-M is designed for applications requiring at least 100,000 PSI tensile strength, good ductility and crack resistance along with high notch toughness at temperatures of -60ºF
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C

Si

Mn

Cr

Ni

Mo

0.08

0.41

1.49

0.32

1.86

0.41

 

TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL DEPOSITS:
Yield Point
N/mm2 (KSI)
 
Tensile Strength
N/mm2 (KSI)
 
Elongation
%
 
Impact Value
°C, J (°F, Ft-Lbs)
 

720 (73)

820 (84)

23

-51°, 80  (-60°, 59)

 

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

DIAMETER (mm)

2.5

3.2

4.0

5.0

LENGTH (mm)

350

350

400

400

Current Amp

Flat

70 - 100

100 - 140

150 - 200

190 - 240

Vertical & Overhead

60 - 90

80 - 120

120 - 160

140 - 180

 

Welding Positions: ALL POSITIONS 
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.

  • Welding of 780 N/mm2 class high tensile strength steel for penstocks, pressure vessels, and machinery
  • Low alloy steels typically welded with N-11018-M include HY-80, HY-100 and T-1 steels
  • Dry the electrodes at 350-400C for about one hour before use
  • Store the electrodes at 100-150C after drying to keep away from moisture
  • Adopt back step method or strike the arc on a small steel plate to prevent blowholes at the arc starting
  • Keep the arc as short as possible
  • Pre-heat at 100-150C

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