NSS-312

Specification
AWS Specification: AWS A5.4 E312-16
JIS Specification: N/A
Other Specification: N/A
Description
  • NSS-312 is a lime-titania type electrode that gives 29% Cr - 9% Ni
  • Excellent crack resistibility due to high ferrite structure of weld metal 
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C

Si

Mn

P

S

Ni Cr

0.09

0.67

1.62

0.025

0.007

9.93 28.75

 

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

761  (110)

24

 

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

DIAMETER (mm)

1.6

2.0 2.5

3.2

4.0

5.0

LENGTH (mm)

300

300 300

350

350

350

Current Amp

Flat

20 - 50

20 - 50 50 - 80

70 - 110

100 - 150

130 - 180

Vertical & Overhead

15 - 45

15 - 45 45 - 75

65 - 105

95 - 140

-


Welding Positions: ALL POSITIONS 
Approvals: CE

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 dissimilar metals, such as stainless steel to mild steel and low-alloy steel
  • Welding of stainless clad steel
  • Under-laying of hard surfacing
  • Choose the lowest possible welding current to prevent cracking of plate
  • It is necessary to preheat the plate at 200ºC and over in the case of welding of special steel, such as high alloy tool steels

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