DAIKOWS 409Nb
SAW
- FERRITIC - MARTENSITIC STAINLESS STEEL
409Nb
Description
Nb stabilised solid ferritic stainless steel wire rod
These wire rods deposit a ferritic stainless weld metal which is used to weld Type 409 and 409Ti base materials. The addition of niobium improves corrosion resistance, increases strength at high temperature, promotes a ferritic micro-structure. Niobium is used instead of titanium because oxidation losses across the arc generally are lower. Not recommended for multi-pass applications. Consumables used for welding similar 12% Cr ferritic steels in application such as catalytic converters and mufflers.
Specifications
EN ISO 14343-B
SS409Nb
AWS A5.9
ER409Nb
Shielding
DAIKOFLUX 493-W
Positions
PA, PB, PC
Current
DC/AC
Packaging Type
K415 spool and drums.
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
2.4
mm
Ampere
250A - 420A
Voltage
28V - 32V
Packaging
Ø 2,0÷4,0mm
Packaging Type
K415 spool and drums.
