Weld Star – SG2 (G3Si1) Wire (0.8mm) 5kg

Description

Weld Star – SG2 (G3Si1) Wire (0.8mm) 5kg

Weld Star SG2 is a copper-coated solid wire designed for both single pass and multipass welding. It’s known for its excellent mechanical properties, especially at sub-zero temperatures reaching down to -40°C.

Features and Benefits:

• Copper Coated: Ensures smooth feeding and reduces the risk of wire breakage during the welding process.
• Versatile Welding: Suitable for both single pass and multipass welding, offering flexibility in various welding tasks.
• Optimal Mechanical Properties: Exhibits strong mechanical properties even at sub-zero temperatures, ensuring durability in colder environments.
• Precision Layer Wound: Guarantees superior wire feeding characteristics, enhancing the welding experience.
• Quality Assurance: The green wire is produced using virgin raw materials sourced from specialized steel mills, ensuring consistent reliability and top-notch quality.

Common Applications:

This wire is typically used in a range of applications including:

• Boilers
• Industrial machinery
• Bridges
• Shipbuilding
• Automotive
• Rail
• Structural fabrications
• Engineering fabrications

Typical Base Materials

S185, S235, S275, S355 – Grade A, B, D, AH32 to DH36 – L210, L240, L290, L360, L240NB, L290NB, L360NB, L360QB, L240MB, L290MB, L360MB, L415MB – X42, X46, X52, X60 – P235T1, P235T2, P275T1 – P275T2, P355N – P235GH, P265GH, P295GH, P355GH – S275, S355, S420, S275M, S275ML, S355M, S355ML, S420M, S420ML*
* Illustrative, not exhaustive list

Standards

• EN ISO 14341-A: G 42 3 C1 / G 42 4 M21 3Si1
• AWS A5.18: ER 70S-6

Chemical Composition % (Typical)

• Carbon (C%): 0.07
• Silicon (Si%): 0.85
• Manganese (Mn%): 1.45
• Phosphorus (P%): <0.025
• Sulfur (S%): <0.025
• Copper (Cu%): <0.35
• Chromium (Cr%): <0.15
• Nickel (Ni%): <0.15
• Molybdenum (Mo%): <0.15
• Aluminum (Al%): <0.020
• Vanadium (V%): <0.030
• Zirconium + Titanium (Zr+Ti%): <0.15

Mechanical Properties

Shielding Gas: C1

• Tensile Strength: 540 MPa
• Yield Strength: 440 MPa
• Elongation: 30%
• Impact Strength: 70 J
• Test Temperature: -30 degC

Shielding Gas: M21

• Tensile Strength: 580 MPa
• Yield Strength: 460 MPa
• Elongation: 26%
• Impact Strength: 90 J
• Test Temperature: -40 degC

Mechanical properties are approximate and may vary based on the heat, shielding gas, welding parameters and other factors.

Shielding Gases

EN ISO 14175 – C1, M21

Welding Positions

EN ISO 6947 – PA, PB, PC, PD, PE, PF, PG

Liability: Whilst all reasonable efforts have been made to ensure the accuracy of the information contained, this information is subject to change without notice and can be only considered as suitable for general guidance.