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40-18T
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DIN 8559
SG2
Material-No.
1.5125
EN 440
W3 Si 1
|
Application/
Properties:
Low alloy wire
electrode for
TIG- Welding of
general
structural
steels and pipe
steels using Ar
shielding gas. |
|
Analysis of Wire
electrode% (Typical
value):
|
C |
Si |
Mn |
P |
S |
|
|
0.06-0.12 |
0.7-1.0 |
>1.3-1.6 |
≤0.025 |
≤0.025 |
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Mechanical properties
of all-weld metal using
Ar shielding gas (single
value are typical
values) :
|
Yield Strength
(N/mm2) |
Tensile Strength
(N/mm2) |
Elongation
A5(%) |
ISO-V Impact
energy (j)
+250C |
|
|
>420 |
500-640 |
>22 |
>80 |
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Material:
|
Unalloyed Structural
steels |
DIN 17 100 |
St33,St37-2 to St 52-3
St50-2*, St 60-2*
|
|
Boiler plates |
DIN 17 155 |
HI,HII,17 Mn4 ,
19Mn5* |
|
Pipe steels |
DIN 1626/1629
DIN 1628/1630
DIN 17 175
DIN 17 172
DIN 1629
|
St 37.0 to St 52.0
ُSt
37.4 to St 52.4
St 35.8 to St 45.8,
St 55*, St 55-4*
StE 210.7 to StE
360.7
Including
corresponding TM-Grades |
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Fine grain
structural steels |
DIN 17 102
|
StE 255 to StE 355
WStE 255 to WStE 355
TStE 255 to TStE 355
|
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Shipbuilding steels |
|
A,B,D,E |
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API Standards |
API Standard |
X42, X46 |
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casting steels |
DIN 1681 |
GS-38,GS-45,GS-52 |
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* Depending on plate
thickness, preheat
150-300°C
Delivery: Welding
rods, Copper
coated:
weight :5 or 10 kg.
diameter : 1-4 mm
length : 1000 mm
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