--- title: "A18 SG2 (G3Si1) Wire (1.0mm) 5kg" id: "11287" type: "product" slug: "a18-sg2-g3si1-wire-1-0mm-5kg" published_at: "2025-05-15T15:28:03+00:00" modified_at: "2026-03-24T16:23:20+00:00" url: "https://sglonline.co.uk/product/a18-sg2-g3si1-wire-1-0mm-5kg/" markdown_url: "https://sglonline.co.uk/product/a18-sg2-g3si1-wire-1-0mm-5kg.md" excerpt: "A18 SG2 (G3Si1) Wire (1.0mm) 5kg Features and Applications A copper coated solid wire suitable for single pass or multipass welding of unalloyed and low-alloyed carbon-manganese steels. Good mechanical properties at sub-zero temperatures down to -40ºC. Precision layer wound for..." taxonomy_product_brand: - "Weld Star" taxonomy_product_type: - "simple" taxonomy_product_cat: - "Mild Steel MIG Wire" --- [https://sglonline.co.uk/product/a18-sg2-g3si1-wire-1-0mm-5kg/?print_view=true](https://sglonline.co.uk/product/a18-sg2-g3si1-wire-1-0mm-5kg/?print_view=true) [https://sglonline.co.uk/wp-content/uploads/2025/06/Welding-Consumables.jpeg](https://sglonline.co.uk/wp-content/uploads/2025/06/Welding-Consumables.jpeg) [Mild Steel MIG Wire](https://sglonline.co.uk/product-category/welding-consumables/mig-wire/mild-steel-mig-wire/) # A18 SG2 (G3Si1) Wire (1.0mm) 5kg Earn 19 points with this purchase £19.99£23.99 Exc VATInc VAT Dispatch resumes on Monday. SKU: 3010200608Category: [Mild Steel MIG Wire](https://sglonline.co.uk/product-category/welding-consumables/mig-wire/mild-steel-mig-wire/) Brand: [Weld Star](https://sglonline.co.uk/brand/weld-star/) - [Description](#tab-description) - [Reviews (0)](#tab-reviews) ## A18 SG2 (G3Si1) Wire (1.0mm) 5kg **Features and Applications** A copper coated solid wire suitable for single pass or multipass welding of unalloyed and low-alloyed carbon-manganese steels. Good mechanical properties at sub-zero temperatures down to -40ºC. Precision layer wound for superior wire feeding characteristics. Typically used on boilers, industrial machinery, bridges, shipbuilding, automotive, rail, structural and engineering fabrications etc. Green wire is produced using virgin raw materials sourced from specialised steel mills, which ensures consistent reliability and quality. **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 3Si1AWS A5.18 – ER 70S-6**Chemical Composition % (Typical)****C%****Si%****Mn%****P%****S%****Cu%**0.070.851.45<0.025<0.025<0.35**Cr%****Ni%****Mo%****Al%****V%****Zr+Ti%**<0.15<0.15<0.15<0.020<0.030<0.15**Mechanical Properties (Typical)**Shielding Gas**C1****M21**Tensile Strength540 MPa580 MPaYield Strength440 MPa460 MPaElongation30%26%Impact Strength70 J90 JTest Temperature-30ºC-40ºC*Mechanical properties are approximate and may vary based on the heat, shielding gas, welding parameters and other factors.* **Welding Parameters****Ømm****Current (A)****Voltage (V)**0.60 mm50-10015-200.80 mm60-18018-221.00 mm80-23020-28**Shielding Gases** EN ISO 14175 – C1, M21 **Welding Positions** EN ISO 6947 – PA, PB, PC, PD, PE, PF, PG **Packaging Data****Diameter****Weight****Spool****Pallet Qty**0.60 mm 0.80 mm 1.00 mm 5 Kg 5 Kg 5 Kg D200 D200 D200 200 200 200 **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. ## Reviews There are no reviews yet. 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