Classification:
EN ISO 14343
AWS A5.9
W 19 9 Nb Si
ER347Si
Description:
Cromatig 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 of 304 and 304L. For
structural applications at temperatures above 400°C, grade 308H is recommended because of its
superior creep strength at elevated temperatures. The higher silicon content provides a more fluid
weld pool which may be preferred for certain welding applications.
Welding current:
DC-
Mechanical properties
Shielding gas:
I1, 99.99% Ar, 6-12 l/min
Yield strength, Rp0.2%:
Tensile Strength, Rm:
Elongation, A5
Impact energy, CV:
Typical
Stamping
Elga, AWS, Wst, EN, Batch
Wire composition, wt.%
Product data:
Ferrite content:
FN 7
1,6 x 1000
5 kg
98221016
2,0 x 1000
5 kg
98221020
2,4 x 1000
5 kg
98221024
3,2 x 1000
5 kg
98221032
195
400 MPa
620 MPa
35%
20°C • 130 J
–196°C • 40 J