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DIN 1913
E 51 55 B5
AWS/ASME SFA-5.1
E 7018-H4
Application / Properties:
Electrode for producing
crack- free and tough
welding joints, Weld metal
recovery is approx. 115% .
The electrode has Good arc
ability. Welds are X-ray
quality. Suitable of welding
steels having up to 0.4% C.
Weld metal analysis in %
(typical values):
|
C |
Mn |
Si |
S |
P |
|
|
0.08 |
1.40 |
0.50 |
0.02> |
0.02> |
|
Mechanical Properties of
all-weld metal :
(single values are typical
values)
|
Yield Strength
(N/mm2) |
Tensile Strength
(N/mm2) |
Elongation
A5(%) |
ISO-V Impact
energy (j)
+200C
-300C |
|
|
>400 |
500-620 |
>22 |
140
80 |
|
|
Amperage: |
|
|
2.5Ǿ |
3.25 Ǿ |
4.0Ǿ |
5.0Ǿ |
|
|
65-90 |
90-130 |
140-180 |
190-230 |
|
Materials:
|
Unalloyed Structural
steels |
St
33
,St
37,St
44,
St 52-3, St 52-2
|
|
Boiler plates |
H l,H ll,
17 Mn 4
|
|
Pipe steels |
St 35.8,St 37.0,St
37.4,USt 37.0,St
44.0,St 44.4,St 45.8
St 52.0,St 52.4,StE
210.7,StE 290.7,StE
320.0,StE
360.7
Inclouding
corresponding-TM-grades |
|
Fine grain
structural steels |
StE 255, StE 285, StE
315, StE 355
WStE 255, WStE 285,WStE
315,WStE 355 |
|
Shipbuilding steels |
A,B,D,E |
|
cast steels |
GS-38,GS-45,Gs-52
|
|
|
Redrying : required
at 300°C to 350°C for 2hrs.
|
