DAIKOWT 208

GTAW
  • NICKEL ALLOYS
Pure Nickel

Description

Pure nickel rod with titanium deoxidation
Nickel-based rod with approximately 3% titanium, ideal for welding pure nickel (at least 99.6%), common wrought nickel, and low-carbon nickel. Also indispensable for dissimilar welds between pure nickel, stainless steels, carbon steels, nickel alloys, Monel 400, and cupronickel. It is used in pressure vessels, heat exchangers, pipelines for chemical plants (e.g., salt production, chlorination, caustic soda evaporation), wherever high corrosion resistance is required in alkaline environments.
Specifications
EN ISO 18274
S Ni 2061
AWS A5.14
ERNi-1
Shielding
I1
Positions
PA, PB, PC, PD, PE, PF
Current
DC-
Packaging Type
5kg carton tube
Asme qualifications
F-No (QW432)
41
A-No (QW442)
-
Chem. Comp. %
DEFAULT
C
0.02
Mn
0.4
Ni
96
Al
0.1
P
0.005
S
0.005
Si
0.3
Cu
0.02
Fe
0.1
Ti
3
Mechanical Properties
min
variant
Tensile strength Rm MPa
380*
740
Yield strength Rp0.2 MPa
0
500
Elongation A (L0=5d0) %
0
43
Impact Charpy ISO-V
-
100J @ -196°C
Impact Charpy ISO-V
-
-
Welding Parameters
1.6 mm
2.4 mm
Ampere
80A - 120A
130A - 160A
Voltage
10V - 13V
14V - 18V
Packaging
Ø 1,0÷4,0mm
Ø 1,0÷4,0mm
Packaging Type
5kg carton tube
5kg carton tube
Description

Application

These consumables are designed to provide pure nickel with low carbon content, enriched with the addition of titanium to ensure optimal grain refinement and superior deoxidation. They are particularly suitable for homogenous welds of pure nickel, buffer layers, and for the cladding of joint surfaces and flanges. The solid wire also proves ideal in welding cast iron, resulting in a soft and low-strength deposit. Typical applications include products such as tanks and vessels, process piping, and heat exchangers. They are widely used in chemical plants dedicated to salt production, chlorination processes, and caustic soda evaporation, as well as for handling corrosive alkalis and halides. They operate effectively at temperatures up to 150 °C, without the need for post-weld heat treatments (PWHT).

Alloy Type

Low carbon pure nickel weld metal with titanium de-oxidation.

Microstructure

In the as-welded condition the microstructure consists of almost pure nickel austenite. It is strongly ferromagnetic at room temperature.

Materials

  • EN W.Nr.: 2.4066 (Ni 99.6), 2.4068(LC-Ni99), 2.4061 (LC Ni 99.6)
  • UNS: N02200, N02201
  • PROPRIETARY: Nickel 200, 201 (Special Metals), Nickel 99.6, 99.2 (VDM)

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