NSS-330

Specification
AWS Specification: AWS 5.4 E330-16
JIS Specification: N/A
Other Specification: N/A
Description
  • NSS-330 is a lime-titania electrode that forms the deposited metal of 15%Cr-35%Ni stainless steel with the perfect austenitic structure
  • Excellent acid and heat resistibility due to high Ni content in the weld metal 
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C

Si

Mn

Cr

Ni

0.20

0.35

2.15

16.42

35.24

 

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

537 (78)

34

 

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

50 - 80

70 - 110

100 - 150 130 - 180

Vertical & Overhead

45 - 75

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.

  • Welding of cast iron products, such as AlSl 330 and SUH 330,  where heat resistibility is required

  • Pay attention to hot cracking because the weld metal forms a perfect austenitic structure
  • Select the lowest possible welding current
  • Avoid continuous welding
  • Keep inter-pass temperature under 150C

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