Basic electrode for producing crack-free and tough welded joints in low temperatures. Weld metal is of high metallurgical purity with very low hydrogen content. Easy releasable slag and good bead profile.
Weld metal analysis in % (typical values):
C
Mn
Si
Mo
Ni
S
P
0.07
1.7
0.45
0.35
0.5
<0.02
<0.02
Mechanical Properties of all-weld metal:
(single values are typical values)
Tensile Strength ( N/mm 2 )
Yield Strength ( N/mm 2 )
Elongation A4 (%)
Impact energy (J) ISO - V 20°C -40°C -51°C+
Heat treatment
630 - 780
>550
>22
>130 >50 >40
-
630 - 760
>550
>22
>130 >50 >40
T
T: Tempered 1 hour at 620°C, air cooling
Welding Parameters
Diameter (mm)
Length (mm)
Amperage (A)
2.5
350
65 – 90
3.25
350
90 – 130
4.0
450
140 – 180
5.0
450
190 – 230
Materials:
DIN Standard
STE 355 to STE 500; TStE 355 to TStE 500; 17MnMoV 6 4; 17MnNi 4;
EN Standard
S380N; S500N; P380NL to S500NL.
ASTM Standard
A517 Gr. A, B, C, E, F, H, J, K, M, P. A225 Gr. C; A633 Gr. E; A572 Gr. 65
Rebaking:
Required at 300°C to 350°C for 2 hours Preheating, inter pass temperature and post weld heat treatment in accordance with base metal to be welded.
