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.035" ER70S-6 NS-115 CopperFree™ Carbon Steel MIG Wire 500 lb Smart Pak®

Airgas Part #:NAT1020527

Manufacturer Part #:1020527

$5.04 /US Pound
Package Size Options
$2,520.00 Pack 500 US pound / Pack
$10,080.00 Pallet 2,000 US pound / Pallet
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  • .035" ER70S-6 RADNOR™ PEAK™ S-6NC Carbon Steel MIG Wire 550 lb 21" Drum

    Airgas Part #:RAD64004255

    Manufacturer Part #:70S6035550NC

    $3.41 /US Pound

Item Details

  • NS-115 CopperFree™ is a mild steel solid filler wire containing a high combined total of manganese and silicon. The wire produces a smooth, uniform welding arc, which minimizes weld spatter and results in excellent bead appearance and high operator appeal. The excellent operating characteristics of NS-115 appeal to users seeking better performance in their ER70S-6 applications.


  • NS-115 CopperFree™ provides the ultimate in flexibility to support your GMAW operations
  • Cast of 35" (.88m) to 55" (1.3m) and Helix below 1" (25.4mm) improve feedability and provide accurate wire positioning
  • Higher Silicon content reduces the molten metal surface tension, resulting in flatter bead profiles
  • Manufactured according to ISO9001:2008 quality standards
  • Excellent arc starts, arc stability and feedability
  • Minimal spatter
  • No copper flaking
  • High level de-oxidizers
  • Excellent weld appearance and post weld cleaning


  • AWS A5.18: ER70S-6 H4
  • ASME SFA-5.18: ER70S-6
  • MIL-E-23765/1: MIL-70S-6
  • CWB CSA W48-18: B-G 49A 3 C1 S6
  • ABS ER70S-6


  • Well-suited for all metal transfer modes of GMAW
  • Robotic, mechanized or semi-automatic welding
  • Welding steel with light mill scale, rust or oil
  • Used for single and multi-pass weldments
  • Applications requiring yield strengths greater than 50,000 psi

Product Attributes


» .035"

AWS Classification

» ER70S-6


» 500 lb

Trade Name

» NS-115 CopperFree™


» Smart Pak®