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
S
P
0.07
1.7
0.45
0.4
<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 0°C+
Heat treatment
620 - 780
>540
>20
> 120 >40
-
620 - 760
>540
>20
>120 >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
450
90 – 130
4.0
450
140 – 180
5.0
450
190 – 230
Materials:
DIN Standard
St 50-2 to St 70-2; 15Mo3; 19Mn5; StE 380 to StE 500; WStE 420 to WStE 500; ;
EN Standard
E295 to E360; 16Mo3; P310GH; 17 MnMoV6-4, 15NiCuMoNb5S, 380N to S500N; P380NH to S460NH.
ASTM Standard
A255 Gr. C; A302 Gr. A-D; A514; A517 Gr. A, B, C, E, F, H, J, K, M, P.
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.
