DAIKOFCW 82

FCAW
  • NICKEL ALLOYS
82

Description

Rutile flux cored wire for flat and horizontal position for Nickel based alloy and dissimilar joints
Rutile flux cored wire for welding and cladding in flat and horizontal position of a wide range of Nickel alloys resistant to high temperature between themselves and with austenitic and ferritic steels. Mn and Nb are added in order to give high resistance to hot cracking and tolerance to dilution by combination with ferrous alloys. Used where good toughness and heat resistance are required and for welding 3% and 5% Ni steels used in plants and tanks for liquid gases. Working temperature from -269°C to 950°C.
Specifications
EN ISO 12153
T Ni 6082 R M21 3
AWS A5.34
ENiCrT0-4
Shielding
M21
Positions
PA, PB, PC
Current
DC+
Packaging Type
BS300 spool
Asme qualifications
F-No (QW432)
43
A-No (QW442)
-

Pren

21
Chem. Comp. %
DEFAULT
C
0.05
Mn
3.2
Ni
70
Cr
21
Nb
2.7
P
0.003
S
0.004
Si
0.3
Cu
0.005
Fe
2.2
Ti
0.3
Mechanical Properties
min
variant
Tensile strength Rm MPa
-
650
Yield strength Rp0.2 MPa
-
380
Elongation A (L0=5d0) %
-
40
Impact Charpy ISO-V
-
130J @ 20°C
Impact Charpy ISO-V
-
90J @ -196°C
Welding Parameters
1.2 mm
1.6 mm
Ampere
130A - 280A
200A - 350A
Voltage
22V - 30V
28V - 32V
Packaging
Ø 1,2÷1,6mm
Ø 1,2÷1,6mm
Packaging Type
BS300 spool
BS300 spool
82
Description

Application

These welding metals do not have a directly equivalent base material, however, their composition is similar to Inconel™ 600. The addition of Mn and Nn is designed to ensure high resistance to hot cracking and dilution tolerance, compatible with numerous combinations of ferrous and nickel-based alloys. These metals maintain stable properties over a wide range of operating temperatures, spanning from –269°C up to beyond 900°C. The main applications include heat-resistant nickel-based alloys, ideal for use in
furnace equipment up to about 900°C. This material is also suitable for dissimilar welding between most nickel-based alloys, including Monel 400 and stainless steels, low alloy or C-Mn steels without the need for preheating. Further applications include transition welds between creep-resistant ferritic steels and austenitic steels, such as 2CrMo and 316H, for long-term high-temperature service in petrochemical and power generation plants. Additionally, it is ideal for
low temperature applications, such as cryogenic tanks or pipelines operating at –100°C or below, made with steels containing 3% or 5% Ni. Stress relieving treatment can be performed if necessary. The requirements for preheating and post weld heat treatment (PWHT) depend on the base material being welded. For most nickel-based alloys, no preheating is required.

Alloy Type

Inconel™ 600 type consumables with manganese and niobium additions.

Microstructure

High nickel austenite with some carbides.

Materials

Nickel base alloys to themselves and to mild, low alloy and stainless steels. High temperature transition joints. Cryogenic 3% and 5% Ni steels.
  • PROPRIETARY: Inconel® 600 (Special Metals), Nimonic 75® (Special Metals)

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