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MIG Wire WELD SG2 0.8 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS300

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MIG Wire WELD SG2 0.8 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS300

SKU:GB-WELD SG2-0,8/15kg
Manufacturer:GOLDEN BRIDGE
Copper-coated MIG WELD SG2 JQ MG50-6 (G3Si1) welding wire with a diameter of 0.8 mm for MAG welding of non-alloy and low-alloy steels. Provides a stable arc, low spatter, and a high-quality weld appearance. Suitable for steel structures, frames, car bodies and mechanical engineering. Packaging 15 kg, BS300 spool.
Variant product
Available in 3 variants
MIG Wire WELD SG2 0.8 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS3000.8 mm
MIG Wire WELD SG2 0.8 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS300
Product Name: MIG Wire WELD SG2 0.8 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS300
SKU: GB-WELD SG2-0,8/15kg
Availability: Stock
10075.00
Product Price: 2,35 € without TAX
2,89 € incl. tax
Wire MIG WELD SG2 1.0 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS3001.0 mm
Wire MIG WELD SG2 1.0 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS300
Product Name: Wire MIG WELD SG2 1.0 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS300
SKU: GB-WELD SG2-1,0/15kg
Availability: Stock
4289.00
Product Price: 2,24 € without TAX
2,76 € incl. tax
MIG Wire WELD SG2 1.2 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS3001.2 mm
MIG Wire WELD SG2 1.2 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS300
Product Name: MIG Wire WELD SG2 1.2 mm /15 kg JQ MG50-6 GOLDEN BRIDGE (G3Si1) BS300
SKU: GB-WELD SG2-1,2/15kg
Availability: Stock
3870.00
Product Price: 2,20 € without TAX
2,71 € incl. tax
:
Availability
In Stock: 10075
Availability: Stock
Price: 2,35 € without TAX
2,89 € incl. tax
 kg

MIG WELD SG2 wire 0.8 mm / 15 kg / JQ MG50-6 / GOLDEN BRIDGE / G3Si1 / BS300

MIG WELD SG2 JQ MG50-6 wire from GOLDEN BRIDGE is a copper-coated solid welding wire intended for MAG welding of non-alloy and low-alloy structural steels. It corresponds to the SG2 / G3Si1 / ER70S-6 classification and, thanks to its manganese and silicon content, supports excellent deoxidation of the weld pool. It features a stable welding arc, low spatter, excellent feedability and a uniform appearance of the welded joints.

The wire provides good welding properties in all common welding positions. According to the manufacturer, it exhibits good tolerance to mill scale and slight surface contamination of the base material, as well as low sensitivity to porosity. The copper-coated surface ensures reliable electrical contact and smooth wire feeding. A shielding gas of CO2 or an Ar/CO2 mixture is used for welding.

It is used in the production and repair of steel structures, frames, car bodies, piping, machine parts and other welded components. It is suitable for welding structural steels S235, S275 and S355 and other compatible non-alloy and low-alloy materials. The 0.8 mm diameter is suitable for welding thinner sheets and profiles, allowing for good control of the weld pool and heat input. The 15 kg BS300 spool is practical for regular use in metal fabrication, auto repair shops, locksmith workshops and industrial plants.


Main advantages:

  • Copper-coated solid welding wire GOLDEN BRIDGE JQ MG50-6
  • Classification SG2 / G3Si1 / ER70S-6
  • Suitable for MAG welding of non-alloy and low-alloy structural steels
  • Stable welding arc and low spatter formation
  • Good feeding characteristics and a uniform weld appearance
  • Copper-coated surface for reliable electrical contact
  • Manganese and silicon content supporting deoxidation of the weld pool
  • Low sensitivity to porosity with correct material preparation
  • Compatible with CO2 or Ar/CO2 shielding gas
  • Suitable for welding in all common welding positions
  • Diameter 0.8 mm for thinner sheets and more precise welding
  • Industrial packaging 15 kg on a BS300 spool

Classification:

Standard / DesignationClassification
EN ISO 14341-AG 42 4 C1/M21 3Si1
AWS A5.18 / SFA-5.18ER70S-6
JISYGW12 (equivalent)
Trade nameSG2 / G3Si1 / JQ MG50-6
Filler material typeCopper-coated solid steel welding wire
Welding processMAG (135)

Chemical composition:

Chemical elementContent (%)
Carbon (C)0,077
Silicon (Si)0,88
Manganese (Mn)1,54
Phosphorus (P)0,012
Sulphur (S)0,011
Nickel (Ni)0,011
Chromium (Cr)0,020
Molybdenum (Mo)0,008
Vanadium (V)0,001
Copper (Cu)0,14
Iron (Fe)Balance

Example chemical composition of JQ MG50-6 welding wire according to the manufacturer GOLDEN BRIDGE. This is not a chemical analysis of a specific delivered batch.

Mechanical properties:

Mechanical propertyTypical value
Yield strength Re / Rp0.2450 MPa
Tensile strength Rm555 MPa
Elongation A29 %
Impact energy KV (-40 °C)77 / 95 / 83 J

Example test results of the pure weld metal according to GOLDEN BRIDGE. The values provided do not represent guaranteed properties of a specific production batch.


Parameters
Product type:Solid copper-coated MAG welding wire for steel
Manufacturer:GOLDEN BRIDGE – Tianjin Golden Bridge Welding Materials Group
Designation:JQ MG50-6 / SG2 / G3Si1 / ER70S-6
Surface Treatment:Copper-plated
Material designation:EN ISO 14341-A: G 42 4 C1/M21 3Si1
Wire diameter:0.8mm
Coil type:BS300
Welding process:MAG (135)
Shielding gas:C1 – 100% CO₂; M21 – Ar/CO₂ mixture
Welding current:50–100 A
Polarity:DC+ (electrode on the positive terminal)
Preheating of thicker materials:Depending on the type of base steel, thickness, carbon equivalent and technological process
Suitable materials:S235JR, S275JR, S355JR, S355J2 and other compatible non-alloy and low-alloy steels
Application:Steel structures, bodies, thin sheets, frames, pipes, mechanical engineering and locksmith work
Approvals:AWS A5.18, EN ISO 14341-A – classifications
Weight:15 kg
Packaging type:BS300 Coil
Quantity:1 pc
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