STAINLESS STEEL (Austenitic Steel)

Nexa 347-16

Rutile Type Stainless Steel Electrode

AWS A/SFA 5.4 E347-16
Nexa 347-16

Applications

  • Fabrication of equipments in refineries, power plants, centrifugal pump impellers and shafts, valve faces, seats
  • Suitable for material no. 1.4300, 1.4301, 1.4306, 1.4308, 1.4310, 1.4541, 1.4543, 1.4550, 1.4552, 1.4878, 1.6905
  • Fabrication of boiler and gas turbine paper and pulp, paint and dye industries
  • Welding of stainless steel tanks, valves, pipes in food, chemical and petrochemical industries
  • Welding stabilized Cr-Ni steels such as AISI 321, 321H, 347, 347H

Characteristics

  • Rutile based coating
  • Resistance to cracking and embrittlement
  • Resistance to intergranular corrosion and scaling upto 850°C
  • 19/10/Nb stabilized weld deposit
  • Smooth operating characteristics
  • All position capability
  • Radiographic quality weld

Chemical Composition

C Mn Si Cr Ni Nb
<0.08 0.5-2.5 <1 18-21 9-11 <1

Mechanical Properties

UTS (MPa) EL%
>520 >30%

Welding Currents (AC (70 OCV) /DCEP)

2.5 x 350 mm 3.15 x 350 mm 4.0 x 350 mm 5.0 x 350 mm
60-80 80-100 110-140 150-180

Product Specifications

Current Type AC (70 OCV) /DCEP
Welding Positions
Position
Position
Position
Packaging
  • Standard carton packing of 10 kg box containing 5 vacuum packed cartons of 2 kg each.
Conditions (Pre-Drying)
  • 250-300°C for minimum 1 hr.