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NIHONWELD NSS-310
NIHONWELD NSS-310
AWS Specification: E310-16
JIS Specification:

D310-16

Other Specification:

DIN ETI 1252026

 I. APPLICATIONS: 

 

Fabrication of stainless steel structures and assemblies in the chemical, petrochemical, power industries.

 

Product

Grade

Plate

 

 

AISI stainless steel

BS 970 : Pt.1 : 1991 310S31

BS 1449 : Pt.2 : 1983 310S24

BS 1501 : Pt.3 : 1990 310S16

310

II. DESCRIPTION:

A rutile coated manual metal arc electrode for the welding of 310 austenitic stainless steel. NSS-310 deposits 25%Cr-20% Ni weld metal which offers high temperature ductility and excellent resistance to oxidation at working temperatures of up to 1200ºC. NSS-310 produces a smooth, even metal transfer with low spatter and a self releasing slag. The finished welds exhibit a slightly concave shape with good cosmetic appearance which requires little or no post weld dressing. The electrode is ideal for both fillet and butt welding applications. The smaller diameter electrodes can be used for vertical up and overhead welding.

Suitable for use with AC (minimum OCV of 70V) and DC+.

III. NOTES ON WELDING:

      Prepare and fit the work carefully, cleaning the joints of all foreign material. Use AC (minimum OCV of 70V) or DC+ current. Proceed with the 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. Electrodes should be coated. Discard exposed core wire by striking or scratch welding on a scrap plate until exposed core wire is consumed. Use dry electrodes to prevent blow hole in deposit. If necessary re-dry at 300ºC for 2 hours before use.

IV. TYPICAL CHEMICAL COMPOSITION OF WELD METAL (%):

 

C

Mn

Si

Ni

Cr

P

S

0.1

2.19

0.41

20.75

25.98

0.018

0.010

V. TYPICAL MECHANICAL PROPERTIES OF WELD METAL:

 

Tensile Strength

N/mm2 (Ksi)

Elongation

%

581 (84)

41

VI. WELDING POSITIONS: ALL POSITIONS

VII.SIZES AVAILABLE AND RECOMMENDED CURRENTS (AC or DC + ):

 

Diameter (mm

2.5

3.2

4.0

5.0

Length (mm)

300

350

350

350

Current

Range

F

50-80

70-110

100-150

130-180

V, OH

45-75

65-105

95-140

-

 

 TEST RESULT

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.

 

 

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