SHIELD METAL ARC WELDING (SMAW)

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NSW-308L

Specification
AWS Specification: AWS A5.4 E308L-16
JIS Specification: D308L-15
Other Specification: N/A
Description
  • NSW-308L is a general purpose stainless steel electrode for welding 18/8 austenitic stainless steels
  • Deposits a low carbon 18% Cr - 8% Ni weld metal to provide good corrosion resistance properties to intergranular attack from a range of liquid chemical media at service temperatures up to 300ºC
  • Welds with a smooth and even metal transfer along with a stable arc
  • Spatter free
  • Easy welding in all positions
  • Remarkably easy strking and re-striking properties
  • Self-releasing slag
  • Ideal for both fillet and butt welding positions
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C

Mn

Si

P

S

 Cr Ni

0.02

1.85

0.40

0.023

0.011

 19.59 10.35

 

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

567  (82)

47

 

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

DIAMETER (mm)

1.6

 2.0 2.5

3.2

4.0

5.0

LENGTH (mm)

250

 250 300

350

350

350

Current Amp

10 - 30

 15 - 50 40 - 80

60 - 90

90 - 150

110 - 180

 

Welding Positions: ALL POSITIONS EXCEPT VERTICAL DOWN
Approvals: ABS

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.

  • Fabrication of stainless steel structures and assemblies such as plate, pipework, vessels, tanks, forgings and castings in the chemical, petrochemical, power and pharmaceutical industries, food, drink and paper processing plant
  • Ideal as protective overlay on steel where medium hardness and complete corrosion resistance is required
  • Clean joints of all foreign materials
  • Use lowest current possible and short arc without allowing coating to touch molten pool
  • Short and intermittent welding is to be preferred to avoid overheating and distortion
  • Avoid excessive weaving
  • Use dry electrodes to prevent blowholes in deposit
  • If necessary, re-dry at 200ºC for 2 hours before use

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