Welding Wire Böhler Q G3 SG2 G3Si1

Welding Wire Böhler Q G3 K300 15 kg Spool SG2 G3Si1

• Excellent welding characteristics
• Fine-droplet material transfer
• Low-spatter material transfer
• Copper-coated
• Good toughness at low temperatures
• Fine-scaled and clean seams

 

Solid wire electrode Böhler Q G3 welding wire, applicable in all areas for general multi-pass welding applications. For MAG welding. Particularly suitable for sheet metal applications. Low-spatter material transfer in short and spray arc. Notched impact strength down to -40 °C. Good wetting of the weld flank. Fine-droplet material transfer.

Easy ignition and re-ignition. Increased protection against rust, due to final surface coating.

General: Suitable for unalloyed and low-alloy steels or cast steel up to 420 N/mm² yield strength. Can be used for CO2 and Ar/CO2 or Ar/CO2/O2 mixed gas.

The disposal of this product or its residues must be carried out in an environmentally sound manner; please observe local disposal regulations. Where possible, use recycling methods.

 

Basic Data

Manufacturer: Böhler

Electrode type: Welding wire SG2

Weight: 15 kg

Heat treatment: U (unannealed)

Tensile strength (N/mm²): 550 - 680

 

Standard Designations

EN ISO: 14341 - A: G 42 3 C G3Si1

EN ISO: 14341 - A: G 42 4 M G3Si1

AWS: A5. 18: ER 70S - 6

 

 

Approvals for Welding Wire Böhler Q G3

TÜV, DB, CE, ABS, BV, LRS, GL, DNV, BV

 

Chemical Composition of Welding Wire Böhler Q G3 (typical values in %)

	C	Mn	Si	P	S
Wire	0.08	1.5	0.9	<0.025	<0.025
Pure Weld Metal (*)	0.08	1.1	0.6	<0.025	<0.025
Pure Weld Metal (**)	0.09	1.0	0.5	<0.025	<0.025

 

 

Mechanical Properties of the Pure Weld Metal

Heat treatment: untreated (*)

Yield strength (MPa): >460

Tensile strength (MPa):  550 - 680

Elongation A5 (%): >24

Charpy V-notch impact energy (J):

• +20 °C = >100
• -30 °C = >80
• -40 °C = >70

 

Heat treatment: untreated (**)

Yield strength (MPa): >460

Tensile strength (MPa):  550 - 680

Elongation A5 (%): >24

Charpy V-notch impact energy (J):

• +20 °C = >80
• -30 °C = >47

 

 

Shielding Gases

EN ISO 14175 : M2 - C1

 

Materials for Welding Wire Böhler Q G3

S(P)235 – S(P)420; GP240; GP280

 

Storage / Re-drying

• Store dry