DAIKOWM 92

GMAW
  • NICKEL ALLOYS
92

Description

Solid wire for Nickel based alloys and dissimilar joints
This wire rod is used for joining nickel base alloys (600, 601, 800) to themselves and to stainless steels, carbon steels and Monel alloys. It can be successfully used also for surfacing carbon steels. The high Ti content provides excellent porosity resistance in field welding applications. Typical applications include desalination plants, piping, furnace equipment and petrochemical and power generation plants. Working temperature from cryogenic to 950°C.
Specifications
EN ISO 18274
S Ni7092
AWS A5.14
ERNiCrFe-6
Shielding
I1, I3
Positions
PA, PB, PC, PD, PE, PF, PG
Current
DC+
Packaging Type
Drums, DIN 760 reel, B300, D200 and D100 spools.
Asme qualifications
F-No (QW432)
43
A-No (QW442)
-

Pren

16.7
Chem. Comp. %
DEFAULT
C
0.05
Mn
2.4
Ni
70
Cr
16.7
P
0.001
S
0.002
Si
0.02
Cu
0.01
Fe
7.3
Ti
3
Mechanical Properties
min
variant
Tensile strength Rm MPa
550*
660
Yield strength Rp0.2 MPa
0
400
Elongation A (L0=5d0) %
0
35
Impact Charpy ISO-V
-
150J @ -50°C
Impact Charpy ISO-V
-
60J @ -196°C
Welding Parameters
1 mm
1.2 mm
Ampere
140A - 200A
150A - 210A
Voltage
23V - 27V
25V - 29V
Packaging
Ø 0,8÷1,6mm
Ø 0,8÷1,6mm
Packaging Type
product.packaging_types.product.packaging_types.product.packaging_types.Drums, DIN 760 reel, B300, D200 and D100 spools.
product.packaging_types.product.packaging_types.product.packaging_types.Drums, DIN 760 reel, B300, D200 and D100 spools.
92
Description

Application

This product is ideal for homogeneous welding of nickel-based alloys and dissimilar joints with stainless steels, carbon steels, and Monel alloys. The high Ti content ensures exceptional resistance to porosity during on-site welding. Typical applications include desalination plants, piping systems, furnace equipment, and installations in the petrochemical and energy sectors. It is widely used for overlays on carbon steel as well. It boasts high mechanical strength and corrosion resistance at temperatures ranging from cryogenic conditions to over 980 °C. The weld deposits can be hardened by aging to enhance strength up to about 700 °C.

Alloy Type

Nominal composition (wt. %) of this classification is 71 Ni, 16 Cr, 6 Fe, 3 Ti, and 2.5 Mn.

Microstructure

Fully austenitic microstructure with Ti-rich carbides.

Materials

Nickel base alloys to themselves and to stainless steels, carbon steels, Monel alloys and cryogenic 3% and 5% Ni steels.
  • PROPRIETARY: Inconel® 600, 601, 800 (Special Metals)

Welding & PWHT

Before proceeding with welding or heating nickel-based alloys, it is essential to clean the base metal. Oils, greases, paints, lubricants, marking pencils, temperature-indicating materials, thread compounds, and similar substances may contain sulfur or lead, which could cause brittleness in the base or weld metal if present during these operations. When welding fully austenitic and nickel-based steels, it is crucial to minimize heat input, interpass temperature, and dilution with the base metal. It is recommended to keep the heat input below 1.5 kJ/mm and not exceed an interpass temperature of 100 °C.

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