Lincoln ER70S-2 or ER70S-6 mild steel TIG Wires

Diameters / Packaging

Diameters
5 LB TB / 20 LB CARTON
10 LB BOX
10 LB TB / 30 LB CARTON
50 LB BOX
1/8 IN ED034327 ED033954 ED034330 ED034333
1/16 IN ED034325 ED033952 ED034328 ED034331
3/32 IN ED034326 ED033953 ED034329 ED034332
5/32 IN ED034810

Lincoln® ER70S-2

TIG (GTAW)

AWS: ER70S-2

Lincoln® ER70S-2 from Lincoln Electric is triple deoxidized wire containing zirconium, titanium, and aluminum in addition to silicon and manganese.

DETAILS

Triple deoxidized wire containing zirconium, titanium, and aluminum in addition to silicon and manganese. Produces x-ray quality welds over most surface conditions. Recommended for TIG welding on all grades of mild steel.

Features

  • Contains zirconium, titanium, and aluminum in addition to silicon and manganese
  • Produces x-ray quality welds over most surface conditions
  • Recommended for TIG welding on all grades of steel
  • Ink jet printing identification on entire length of electrode

Typical Applications

  • Repairs on a variety of mild and low alloy steel
  • Small diameter pipe and tubing
  • Sheet metal applications
  • Root pass pipe welding

Welding Positions

  • All

Shielding Gas

  • 100% Argon

Special Features

BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS Search page

See test result disclaimer

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.18 ER70S-2
CWB CSA W48 ER49S-2

MECHANICAL PROPERTIES

Classification Shielding Gas Polarity Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F)
ER70S-2 Requirement 100% Ar DC- 400 (58) min. 480 (70) min. 22 min. 27 (20) min.
Typical Result, As-welded 100% Ar DC- 530 (77) 590-660 (85-96) 31 35-465 (26-343)

WIRE COMPOSITION

Classification %Al %C %Cr %Mn %Mo %Ni %P %S %Si %Ti %V %Zr %Total Cu
ER70S-2 Requirement 0.05 - 0.15 0.07 max. 0.15 max. 0.90 - 1.40 0.15 max. 0.15 max. 0.025 max. 0.035 max. 0.40 - 0.70 0.05 - 0.15 0.03 max. 0.02 - 0.12 0.50 max.
Typical Result 0.05-0.10 0.05 0.05 1.14 0.02 max. 0.04 0.005 0.003 max. 0.50-0.70 0.07-0.13 0.01 max. 0.02-0.08 0.16