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Phone Number : +86 18930254719
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ER70S-6 Copper-Coated MIG Welding Wire for CO₂/MAG Welding

Place of Origin CHINA
Brand Name HUONA
Certification ISO9001
Model Number WIRE
Minimum Order Quantity 15KG
Price Bargain
Packaging Details Case
Delivery Time 1 week
Payment Terms T/T
Supply Ability 1000tons/Year

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Product Details
Wire Diameter 0.8 Mm / 1.0 Mm / 1.2 Mm / 1.6 Mm Tensile Strength (M Pa) ≥500
Yield Strength (MPa) ≥420 Elongation (%) ≥22
Impact Toughness ≥27J @ -30°C Shielding Gas CO₂ Or 80%Ar+20%CO₂
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ER70S-6 MIG welding wire

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copper-coated welding wire

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CO₂ MAG welding wire

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Product Description
ER70S-6 Copper-Coated MIG Welding Wire for CO₂/MAG Welding
Attribute Value
Wire Diameter 0.8 mm / 1.0 mm / 1.2 mm / 1.6 mm
Tensile Strength (M Pa) ≥500
Yield Strength (MPa) ≥420
Elongation (%) ≥22
Impact Toughness ≥27J @ -30°C
Shielding Gas CO₂ or 80%Ar+20%CO₂
Product Description

Product Name: ER70S-6 Carbon Steel MIG Welding Wire
AWS Classification: ER70S-6
Type: Copper-coated solid wire
Shielding Gas: CO₂ or Ar+CO₂ mixed gas
Standard Compliance: AWS A5.18 / ASME SFA-5.18 / ISO 14341-A G3Si1

ER70S-6 is a premium copper-coated solid welding wire designed for MIG/MAG welding of mild and carbon steels. With higher deoxidizer content (manganese and silicon), it provides superior arc stability and weld bead appearance, especially when welding over mill scale or slightly rusted surfaces.

It is widely used in general fabrication, machinery manufacturing, automotive parts, pressure vessels, pipelines, and structural steel work, offering high deposition efficiency, low spatter, and excellent mechanical properties.

ER70S-6 Copper-Coated MIG Welding Wire for CO₂/MAG Welding 0 ER70S-6 Copper-Coated MIG Welding Wire for CO₂/MAG Welding 1
Key Features
  • Excellent weldability and stable arc performance
  • High deposition rate and smooth bead appearance
  • Low spatter, minimal slag
  • Strong resistance to porosity even on rusted or scaled steel
  • Suitable for single and multi-pass welding in all positions
  • Works with 100% CO₂ or Argon + CO₂ shielding gases
Typical Applications
  • General fabrication and manufacturing
  • Automotive components and frames
  • Shipbuilding and heavy machinery
  • Pressure vessels and boilers
  • Construction steel structures
  • Pipelines and storage tanks
Technical Specifications
Item Typical Values
Wire Diameter 0.8 mm / 1.0 mm / 1.2 mm / 1.6 mm
Tensile Strength (M Pa) ≥500
Yield Strength (MPa) ≥420
Elongation (%) ≥22
Impact Toughness ≥27J @ -30°C
Welding Position Flat, horizontal, vertical, overhead
Shielding Gas CO₂ or 80%Ar+20%CO₂
Packaging 5kg/15kg/20kg spool, plastic or wire basket spool, or as requested
Surface Finish Bright copper-coated, rust-resistant
Packaging & Delivery
  • Plastic spool or steel basket
  • Vacuum-sealed or shrink-wrapped
  • Palletized for bulk shipments
  • OEM labeling available
  • Fast delivery within 7-15 days for regular models
Note: We provide OEM/ODM packaging, custom spool sizes, and specialized chemical compositions on request. Contact us for datasheets, MSDS, or free samples.