DAIKOFCW 625P

FCAW
  • NICKEL ALLOYS
625

Description

Rutile all position flux cored wire
Rutile flux cored wire for welding and cladding in all positions thanks to the fast-freezing slag. This wire rod is used for its high temperature strength and structural stability and for its resistance to general corrosion, pitting, crevice and stress corrosion cracking in severe chloride media. Useful proprieties from -269°C to above 550°C are achieved. It is used for welding of alloy 625, alloy 825, alloy 25-6MO, 9% Ni steels and a range of high alloy austenitic and super austenitic stainless steels. Widely used in oil and gas production and processing.
Specifications
EN ISO 12153
T Ni 6625P M 21 2
AWS A5.34
ENiCrMo3T1-4
Shielding
M21
Positions
PA, PB, PC, PD, PE, PF, PG
Current
DC+
Packaging Type
BS300 spool
Asme qualifications
F-No (QW432)
43
A-No (QW442)
-

Pren

53.19
Chem. Comp. %
DEFAULT
C
0.03
Mn
0.3
Ni
62
Cr
22.5
Nb
3.7
P
0.002
S
0.002
Mo
9.3
Si
0.3
Cu
0.03
Fe
2
Ti
0.15
Mechanical Properties
min
variant
Tensile strength Rm MPa
-
750
Yield strength Rp0.2 MPa
-
470
Elongation A (L0=5d0) %
-
36
Impact Charpy ISO-V
-
50J @ -196°C
Impact Charpy ISO-V
-
-
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
product.packaging_types.product.packaging_types.product.packaging_types.Bobine BS300
product.packaging_types.product.packaging_types.product.packaging_types.Bobine BS300
625
Description

Application

Designed with an optimized composition for the alloy 625, this subfamily is particularly indicated for resisting general corrosion, pitting, crevice corrosion, and stress corrosion cracking in chlorine-rich environments. These features result from high levels of Cr, Mo, and Nb, which not only provide superior mechanical strength but also position this alloy at the top of standard nickel-based alloys. Its properties are maintained over a wide range of temperatures, from -269 °C to over 1000 °C. This alloy is also ideal for welding heat-resistant alloys such as Inconel 601, Incoloy 800/800H, and their combinations with other alloys, typically used in furnace equipment, petrochemical plants, and power plants. Additional applications include: corrosion-resistant weld overlays for alloys such as 825, Hastelloys G and G3, alloy 28, 904L, and superaustenitic stainless steel 6%Mo 254SMo. It is also used for overlays on pumps, valves, and shafts, especially in offshore and marine environments where high pitting resistance (PRE = 50) and good tolerance to dilution are crucial. Perfect for welding on high-strength ferrous alloys, including 9% nickel cryogenic steels, and for refurbishing matrices requiring rapid hardening and robustness. No preheating is required, and the maximum allowed interpass temperature is 250 °C. As for superaustenitic alloys, the interpass temperature must be maintained at a maximum of 100 °C.

Alloy Type

Consumables matching the nickel base 625 alloy with typical composition of Ni-21%Cr-9%Mo-3.5%Nb.

Microstructure

In the as-welded condition this nickel base weld metal consists of solid-solution strengthened austenite with carbides.

Materials

Also suitable to join 9%Ni steels.
  • EN W.Nr.: 2.4856
  • ASTM: A494 CW-6MC, 904L
  • UNS: N06625, S31254
  • PROPRIETARY: Inconel® 625, 601 (Special Metals), Nicrofer 6020hMo, 6022hMo (VDM), 254SMO (Outokumpu), Incoloy® 800H, 825 (Special Metals)

DO YOU NEED HELP?

Go to our dedicated section or contact us
DAIKO supporting the environment
Group
Questo sito si avvale di cookie necessari al suo funzionamento ed utili alle finalità illustrate nella cookie policy.

Carrello

Il carrello è vuoto