ESAB

Weld G3Si1

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A copper coated, G3Si1 solid wire for GMAW of all general structural and engineering unalloyed and low-alloyed carbon-manganese steels. The electrode may be welded with either a gas mixture or with pure CO2 as the shielding gas.


Typical Charpy V-Notch Properties

As Welded
Impact Value 52 ft-lb
Impact Value 70 J
Shielding Gas EN 80Ar/20CO2 (M21)
Testing Temperature -22 °F
Testing Temperature -30 °C

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded26 %EN 80Ar/20CO2 (M21) 560 MPa (81 ksi)470 MPa (68 ksi)

Recommended Welding Parameters

Wire Diameter 1/16 in.
Wire Diameter 1.6 mm

Deposition Data

Current Deposition Rate Diameter Voltage Wire Feed Speed
60-180 A 0.8-2.6 kg/h (1-5 lb/h) 0.8 mm (0.030 in.) 18-22 V 3.2-11.0 m/min (126-433 in./min)
80-250 A 1.0-4.8 kg/h (2-10 lb/h) 1.0 mm (0.040 in.) 18-30 V 2.7-13.0 m/min (106-512 in./min)
120-330 A 1.3-6.9 kg/h (2-15 lb/h) 1.2 mm (0.047 in.) 18-34 V 2.3-13.0 m/min (91-512 in./min)

Classifications

Wire Electrode EN ISO 14341-A : G 3Si1
SFA/AWS A5.18 : ER70S-6
Weld Metal EN ISO 14341-A : G 38 2 C1 3Si1
EN ISO 14341-A : G 42 3 M21 3Si1

Approvals

Approvals CE EN 13479
DB 42.039.39
NAKS/HAKC 1.2MM
VdTÜV 13038
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Carbon-manganese steel (Mn/Si-alloyed)

Typical Weld Metal Analysis %

Typical Wire Composition %
C Mn Si
0.078 % 1.46 % 0.85 %
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How to purchase Weld G3Si1

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