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  3. Welding Wire ER49-1

Gas Shielded Welding Wire ER49-1
gas shielded welding wire
 



Welding wire ER49-1 is copper-coated gas shielded welding wire. Shielding gas could be CO2 gas or argon-rich mixtures. It is suitable for single-pass and multi-pass welding. It has good anti-porosity.

Application:


It is used for mild steel (Q195, Q215) and low alloy steel Q295 in boiler, mining machinery, construction machinery, vehicles, oil, power plant industry.


Chemical Composition: (%)

 

 

C

Mn

Si

P

S

Ni

Cr

Cu

Sample Value

0.09

1.89

0.78

0.016

0.013

0.017

0.008

0.16

Range

≤0.11

1.80~2.10

0.65~0.95

≤0.030

≤0.030

≤0.30

≤0.20

≤0.50

Mechanical Properties:

 

  Tensile Strength
Rm (σb) MPa		 Yield Strength
ReH (δs) MPa		 Elongation
A (δ5) %		 Charpy V impact Test
Ambient T AKV(J)		 Shielding Gas
Sample Value 542 423 29 138 CO2
Range ≥490 ≥372 ≥20 ≥47


Welding Parameter:

 

 Wire Diameter
(mm)

Feeding Speed
(mm/s)

Voltage
(V)

Current
(A)

Polarity

Distance between electrode tip and workpiece (mm)

Welding Speed
(mm/s)

1.2

190±10

27~32

260~290

DCRP

19±3

5.5±1.0

1.6

100±5

25~30

330~360

DCRP

22±3

5.5±1.0

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