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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" ERNi-1 Arcos 861 Nickel Alloy MIG Wire 2 lb 4" Spool

Airgas Part #:AH2S861XS2

Arcos Alloys

Manufacturer #:S861-X-S2-1B


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$46.46 /US Pound
Package Size: 2 US pound
$46.46 US Pound
$46.46 US Pound
$92.92 Spool 2 US pound / Spool

Typically in Stock

Item Details

  • Arcos 861 is intended for welding wrought and cast forms of commercially pure nickel (ASTM B160, B161, B162 and B163) with the gas tungsten arc, gas metal arc and plasma arc welding processes. The weld metal has good corrosion resistance, particularly in alkalis.


  • MIL-E-21562
  • MIL EN/RN61


  • Arcos 861 is well suited for dissimilar welding including the joining of Nickel 200 and 201 to stainless steel. It can also be used for joining carbon steels to copper-nickel alloys.


  • Protect yourself and others read the safety data sheet prior to using this product.

Product Attributes

Trade Name

» Arcos 861

AWS Classification

» ERNi-1


» .035"


» 2 lb

Spool Diameter

» 4"