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WARNING: This product can expose you to chemicals including Nickel (Metallic), which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.

.035" ER70S-3 NS-101 CopperFree™ Carbon Steel MIG Wire 1000 lb 30" Wood Reel

Airgas Part #:NAT1020297

National Standard

Manufacturer #:1020297


$4.86 /US Pound
Package Size: 1,000 US pound
$4.86 US Pound
$4,860.00 Reel 1,000 US pound / Reel
$9,720.00 Pallet 2,000 US pound / Pallet

Typically in Stock

Item Details

  • NS-101 CopperFree™ is a mild steel solid filler wire designed to extract maximum weld quality and user appeal from ER70S-3 wire. The manganese and silicon contents are restricted to the high end of the chemistry range, assuring maximum deoxidation, flat bead profiles and low spatter levels.


  • NS 101 CopperFree™ provides the ultimate in flexibility to support your GMAW welding operations
  • Cast of 35" (0.88 m) to 55" (1.3 m) and helix below 1" (25.4 mm) improve feedability and provide accurate wire positioning
  • Manufactured according to IS09001:2008 quality standards
  • Excellent arc starts, arc stability and feedability
  • Minimal spatter
  • No copper flaking
  • Moderate de-oxidizers
  • Excellent weld appearance and post weld cleaning


  • AWS A5.18: ER70S-3
  • AWS A5.17: EM13K
  • ASME SFA-5.18: ER70S-3
  • MIL-E-23765\1: MIL-70S-3
  • CWB W48-01: ER49S-3


  • Low carbon killed and semi killed steel
  • Well suited for all metal transfer modes of GMAW
  • Robotic, mechanized or semi-automatic welding
  • Welding steel with light mill scale, light rust or thin oil
  • Used for single and multi-pass weldments
  • Pipe welding, structural steel and steel buildings
  • Applications requiring a minimum 70,000 psi tensile strength

Product Attributes


» .035"

AWS Classification

» ER70S-3 | EM13K


» 1000 lb

Trade Name

» NS-101 CopperFree™

Spool Diameter

» 30"


» Wood Reel