Description:
347Si is primarily intended for welding the Nb or Ti stabilised 18% Cr/10% Ni austenitic stainless steel grades 347 and 321. It is also suitable for the unstabilised grades 304 and 304L.
Welding current: DC+
Wire composition, wt.%
| |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
Cu |
N |
Nb2 |
| Min |
|
0,65 |
1,0 |
|
|
19,0 |
9,0 |
|
|
|
10xC |
| Typical |
0,04 |
0,8 |
1,3 |
0,015 |
0,010 |
19,5 |
9,7 |
0,10 |
0,10 |
0,06 |
0,6 |
| Max |
0,08 |
1,00 |
2,5 |
0,030 |
0,020 |
21,0 |
11,0 |
0,30 |
0,30 |
|
1,0 |
Shielding gas:
Acc. to EN 439:
M12, Ar + 2% CO2, 16-21 l/min
M13, Ar + 1.3% 02, 16-21 l/min
Ferrite content: FN 8
Corrosion resistance:
Good resistance to general and intergranular corrosion particularly at elevated temperatures.