NSS-502

Specification
AWS Specification: AWS A5.4 E502-16
JIS Specification: DT2516
Other Specification: DIN ECrMo5B26
Description
  • NSS-502 is designed for welding 5% Mo steels
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL DEPOSITS (%):

C

Si

Mn

Cr

Mo

0.06

0.62

0.43

4.95

0.51

 

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

420 (61)

540 (55)

32

750°C x 8 hrs. 

 

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 - 75

70 - 110

100 - 155

155 - 200

Vertical & Overhead

30 - 70

55 - 105

90 - 140

-


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 5% Mo steels, such as ASTM 387 (grade 5) used in oil refining chemical industries and electric power plants
  • Welding of quenched and tempered high tensile strength steel for air craft parts 
  • Dry the electrodes at 325-375C for about one hour before use
  • Pre-heat at 250-350C and post-heat at 730-760C

ABOUT US

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