G-TECH 840B

SMAW
  • DISSIMILAR STEELS

Description

High recovery basic Ni-based covered electrode
Suitable for joining and cladding low alloyed and alloyed steels, welding iron- and nickel base alloys and for dissimilar joints. The austenitic deposit is insensitive to hot-cracking and free of embrittlement at high as well as at low temperatures, non-scaling up to 1000° C, and cold tough down to 196° C. No diffusion of carbon into the weld metal at high temperatures. Used for service-temperatures of more than 300° C in chemical and petrochemical industry, glassworks, civil engineering, repairing and maintenance workshops.
Specifications
ISO 14172
E Ni 6182
AWS A5.11
ENiCrFe-3
Shielding
-
Positions
PA, PB, PC, PD, PE, PF
Current
DC+
Packaging Type
Carton box
Asme qualifications
F-No (QW432)
43
A-No (QW442)
-
Chem. Comp. %
DEFAULT
C
0.04
Mn
7
Cr
16
P
0.01
S
0.01
Si
0.4
Cu
0.1
Fe
8
Ti
0.1
Mechanical Properties
min
variant
Tensile strength Rm MPa
550
580
Yield strength Rp0.2 MPa
370
360
Elongation A (L0=5d0) %
27
30
Impact Charpy ISO-V
-
50J @ -196°C
Impact Charpy ISO-V
-
-
Welding Parameters
2.5 mm
3.2 mm
4 mm
Ampere
70A - 100A
100A - 140A
140A - 180A
Voltage
-
-
-
Packaging
33 pcs/kg
21 pcs/kg
13 pcs/kg
Packaging Type
Carton box
Carton box
Carton box

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