Welding, Cutting & Safety Solutions

A18 MIG Wire Mild Steel x 1.2 mm x 15 Kg


£33.51 ex VAT £40.21 inc VAT

Brand: SIF
Product Model:
In Stock

  • Material: A18/SG2 copper coated mild steel MIG wire for welding mild and medium tensile steels, for impact toughness down to -30°C
  • Wire Diameter: 1.2 mm
  • Weight: 15 kg
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A18 MIG Wire Mild Steel x 1.2 mm x 1 x 15 Kg

A18 MIG Wire is a copper-coated mild steel wire, specifically designed for welding mild and medium tensile steels. Its unique composition ensures impact toughness down to -30°C, making it a reliable choice for various welding applications. With a 1.2mm diameter and a weight of 15kg, this wire is suitable for both professional and industrial use.


  • Copper-Coated: Ensures smooth welding and reduces the risk of oxidation.
  • Mild Steel Composition: Ideal for welding mild and medium tensile steels.
  • Impact Toughness: Effective down to -30°C.
  • Standard Compliance: Meets EN ISO 14341-A – G 42 2 C1 /M21 3Si1.


  • Versatile Welding: Suitable for a wide range of applications, from structural steel to boiler steel.
  • Consistent Quality: Ensures reliable and consistent weld quality across applications.
  • CE Certified: Meets the requirements of EN1090, ensuring safety and quality.

Common Applications:

  • Mild Steels: Ideal for joining and repairing mild steel structures.
  • Structural Steel: Suitable for constructing and repairing infrastructure projects.
  • Fine-Grain Steel: Ensures strong and durable joints in fine-grain steel applications.
  • Pipe Steel: Used in the construction and repair of pipelines.
  • Boiler Steel: Ideal for constructing and repairing boilers.
  • Cast Steel: Suitable for joining and repairing cast steel components.


Product Type Mig Wire – Mild Steel
Part Number WA181215
Weight 15 KG
Diameter 1.2 mm
Melting Point DegC 1450
U.T.S. N/mm2 400

Welding Positions

sifmig sg2

Typical Weld Metal Composition

C 0.1%
Si 0.8%
Mn 1.3%

Typical Mechanical Properties

Melting Point 1450°C
Ultimate Tensile Strength 400 N/mm²
Hardness 120

Material to be Welded

Can be used on a wide variety of mild steels, structural steel, fine-grain steel, pipe steel, boiler steel and cast steel.


EN ISO 14341-A G 42 3 C1 / M21 3Si1
BS 2901: pt. 1 : 1983 A18
BS EN 440 G3 Si 1
DIN 8559 SG2

A carriage charge is applied to orders, for standard 1-2 day shipments to mainland destinations within the United Kingdom. Other destinations and premium services are available but subject to additional freight charges.


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