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ER70S3 - Mild Steel TIG Welding Rod - 1lb. Pack

ER70S3 - Mild Steel TIG Welding Rod - 1lb. Pack

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ER70S3

High-Performance Mild Steel TIG Welding Rod.

AWS A5.18 Grade
Class ER70S-3
Available Diameters .045", 1/16", 3/32" & 1/8"
Length 36" (914mm)
Weight 1 lb. Pack

Approximate number of rods per 1 lb. pack for each diameter:

  • .045" (1.14mm): 36 - 40
  • 1/16" (1.6mm): 26 - 30
  • 3/32" (2.4mm): 12 - 16
  • 1/8" (3.2mm): 8 - 10

ER70S-3 AWS A 5.18 CLASS ER 70S-3

ER70S-3 is a Silicon and Manganese de-oxidized wire used to weld mild and low alloy steels.

ER70S-3 produces quality welds on rimmed steels, better welds on semi-killed steels, and excellent welds on killed steels.

The post weld finishing of this wire permits easy grinding and deposits are readily painted or powder coated.

ER70S-3 is a good general-purpose steel wire.

Tensile strength: 62,400 psi.

Elongation is 31%.


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ER70S3 - Mild Steel TIG Welding Rod - 1lb. Pack

5 of 5 Stars! (2)

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5 of 5 Stars!
Works well with all the rusty metal i am learning with. 1# size really handy for a hobbyist.