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1kg / 5KG BOSSWELD ER70S-4 Mild Steel Tig Filler Rods Oxygen Welding 1.6mm 2.4mm

s l1600 2025 04 07T190126.586

Bossweld Copper coated low carbon steel filler rod for TIG welding. Triple deoxidised for superior weld deposit quality & resistance to porosity. Ideal for TIG welding rusty or mill scaled plates & pipes & the root pass welding of pipes, tanks & heavy walled joints. Excellent mechanical and toughness properties when in low temperature conditions.

  • SKU: ER70S-4 (Var)
  • BRAND: Bossweld

Price range: $44.95 through $89.95

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WHAT YOU GET:
BOSSWELD ER70S-4 Mild Steel Tig Welding Rods
Choose Size: 1.6mm / 2.4mm
Choose Weight: 1kg / 5 Kg
FEATURES:
BOSSWELD ER70S-4 is a great filler rod for low to medium presence of surface contaminants such as rust or mill scale.
Copper coated carbon steel rod for use in the TIG welding process.
Typical tensile strength 490MPa.
Ideal for root pass welding of pipes.
S4 wire has all of the advantages of S2, with slightly higher levels of manganese and silicon.
It has higher “cleaning” levels, and produces a more fluid weld puddle and flatter bead profile.
Suitable for tanks, boilers, steel structural works, earthworks & construction works.
AWS Industry Specification A5.18 ER70S-4.
Copper coated wire for TIG and OXY welding.
Higher strength welds.
Root run in single sided weld joints.

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