DAIKOWT 409Nb
GTAW
- FERRITIC - MARTENSITIC STAINLESS STEEL
409Nb
Description
Ferritic stainless steel rod stabilized with Nb
These rods deposit a ferritic stainless steel weld metal, primarily used for welding 409 and 409Ti base materials. The addition of niobium enhances corrosion resistance, increases high-temperature resistance, and promotes a ferritic microstructure. Niobium is preferred over titanium due to lower oxidation losses in the arc. Not recommended for multi-pass applications. They are used in the homogeneous welding of 12% chromium ferritic steels in applications such as catalytic converters and silencers.
Specifications
EN ISO 14343-B
SS409Nb
AWS A5.9
ER409Nb
Shielding
I1
Positions
PA, PB, PC, PD, PE, PF
Current
DC-
Packaging Type
5kg carton tube
Asme qualifications
F-No (QW432)
6
A-No (QW442)
6
Pren
12.49
Chem. Comp. %
DEFAULT
C
0.04
Mn
0.65
Ni
0.4
Cr
11.5
P
0.02
S
0.02
Mo
0.3
Si
0.5
Cu
0.16
Mechanical Properties
min
variant
Tensile strength Rm MPa
450
460
Yield strength Rp0.2 MPa
250
350
Elongation A (L0=5d0) %
15
26
Impact Charpy ISO-V
-
-
Impact Charpy ISO-V
-
-
Welding Parameters
1.6
mm
2.4
mm
Ampere
80A - 100A
110A - 160A
Voltage
-
-
Packaging
Ø 1,0÷4,0mm
Ø 1,0÷4,0mm
Packaging Type
5kg carton tube
5kg carton tube