Hover cursor over image to view larger picture


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.

.045" ER70S-3 NS-101 CopperFree™ Carbon Steel MIG Wire 1000 lb 30" Tru-Trac® Wood Reel

Airgas Part #:NAT1020338

Manufacturer Part #:1020338

$4.78 /US Pound
Package Size Options
$4,780.00 Spool 1,000 US pound / Spool
$9,560.00 Pallet 2,000 US pound / Pallet

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 CSA W48-18: B-G 49A 2 C1 S3
  • ABS ER70S-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


» .045"

AWS Classification

» ER70S-3
» EM13K


» 1000 lb

Trade Name

» NS-101 CopperFree™

Spool Diameter

» 30"


» Tru-Trac® Wood Reel