MIG Family

SuperArc® L-50®

MIG (GMAW) Wire

AWS: ER70S-3

SuperArc® L-50® is Lincoln Electric's most popular premium copper coated mig wire and an excellent choice for 50,000 psi (345 MPa) yield strength, carbon steel base materials.

DETAILS

Our most popular MIG wire, SuperArc® L-50®, premium copper coated wire, is an excellent choice for 50,000 psi (345 MPa) yield strength, carbon steel base materials.

Features

  • Moderate levels of manganese and silicon for deoxidization of clean to light mill scale surfaces
  • Superior feeding and arc stability
  • Copper coated for long contact tip life
  • Supports short-circuiting, globular, axial spray and pulsed spray transfer

Typical Applications

  • Clean to light mill scale base material
  • Sheet metal to 380-485 MPa (55-70 ksi) yield strength material
  • Pipeline
  • Pressure vessels

Welding Positions

  • All

Shielding Gas

  • Mixed Shielding Gas|100% CO2

You May Also Need

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-3
ABS ABS - Part 2 3YSA H5
CWB CSA W48 B-G 49A 3 C1 S3 (B-G 49A 3 C1 G3)
DNV-GL DNV - 2.9 III YMS H5
LR LR - Chapter 11 3YS H5
MIL MIL-E-23765/1D MIL-70S-3
MIL MIL-E-23765/1E MIL-70S-3

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

MECHANICAL PROPERTIES

Classification Shielding Gas Polarity Yield Strength @ 0.2% Offset
MPa (ksi)
Tensile Strength
MPa (ksi)
Elongation
%
Charpy V-Notch
J (ft-lbs) @ -20°C (0°F)
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F)
Typical Result, As-welded 100% CO2 DC+ 400 (58) 500-560 (73-81) 24 95-132 (70-98) 95-106 (70-78)

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

WIRE COMPOSITION

Classification %C %Cr %Mn %Mo %Ni %P %S %Si %Total Cu %V
ER70S-3 Requirement 0.06 - 0.15 0.15 max. 0.90 - 1.40 0.15 max. 0.15 max. 0.025 max. 0.035 max. 0.45 - 0.75 0.50 max. 0.03 max.
Typical Result 0.06-0.11 0.02-0.04 1.15-1.24 0.02 max. 0.01-0.04 0.004-0.012 0.004-0.011 0.44-0.62 0.00 max. 0.12-0.27

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

TYPICAL OPERATING PROCEDURES

Diameter Transfer Mode Shielding Gas Polarity CTWD
mm (in.)⁽¹⁾
Wire Feed Speed
m/min (in/min)
Voltage
volts
Approx. Current
amps
Melt-off Rate
kg/hr (lb/hr)
0.030 in (0.8 mm) Short Circuit Transfer 100% CO2 DC+ 9-12 (3/8-1/2) 1.9 (75) 17 35 0.4 (0.9)
0.030 in (0.8 mm) Short Circuit Transfer 100% CO2 DC+ 9-12 (3/8-1/2) 3.8 (150) 18 70 0.8 (1.8)
0.030 in (0.8 mm) Short Circuit Transfer 100% CO2 DC+ 9-12 (3/8-1/2) 7.6 (300) 22 130 1.6 (3.6)
0.035 in (0.9 mm) Short Circuit Transfer ⁽²⁾ 100% CO2 DC+ 9-12 (3/8-1/2) 2.5 (100) 18 80 0.7 (1.6)
0.035 in (0.9 mm) Short Circuit Transfer ⁽²⁾ 100% CO2 DC+ 9-12 (3/8-1/2) 3.8 (150) 19 120 1.1 (2.4)
0.035 in (0.9 mm) Short Circuit Transfer ⁽²⁾ 100% CO2 DC+ 9-12 (3/8-1/2) 6.4 (250) 22 175 1.8 (4.0)
0.035 in (0.9 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 9.5 (375) 23 195 2.7 (6.0)
0.035 in (0.9 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 12.7 (500) 29 230 3.6 (8.0)
0.035 in (0.9 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 15.2 (600) 30 275 4.4 (9.6)
0.045 in (1.1 mm) Short Circuit Transfer ⁽²⁾ 100% CO2 DC+ 12-19 (1/2-3/4) 3.2 (125) 19 145 1.5 (3.4)
0.045 in (1.1 mm) Short Circuit Transfer ⁽²⁾ 100% CO2 DC+ 12-19 (1/2-3/4) 3.8 (150) 20 165 1.8 (4.0)
0.045 in (1.1 mm) Short Circuit Transfer ⁽²⁾ 100% CO2 DC+ 12-19 (1/2-3/4) 5.1 (200) 21 200 2.4 (5.4)
0.045 in (1.1 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 8.9 (350) 27 285 4.2 (9.2)
0.045 in (1.1 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 12.1 (475) 30 335 5.7 (12.5)
0.045 in (1.1 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 12.7 (500) 30 340 6.0 (13.2)
0.052 in (1.3 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 7.6 (300) 30 300 4.8 (10.6)
0.052 in (1.3 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 8.1 (320) 30 320 5.2 (11.5)
0.052 in (1.3 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-19 (1/2-3/4) 12.3 (485) 32 430 7.8 (17.1)
1/16 in (1.6 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-25 (1/2-1) 5.3 (210) 25 325 4.8 (10.7)
1/16 in (1.6 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-25 (1/2-1) 6.0 (235) 27 350 5.4 (12.0)
1/16 in (1.6 mm) Spray Transfer 90% Ar / 10% CO2 DC+ 12-25 (1/2-1) 7.4 (290) 28 430 6.7 (14.8)

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

NOTES

Note
⁽¹⁾ CTWD (Contact Tip to Work Distance). Subtract 1/4 in (6.4 mm) to calculate Electrical Stickout
⁽²⁾ Procedures in these areas are procedures for short circuiting mode using 100% CO2. When using 75% Argon, 25% CO2 for short circuit transfer, reduce voltage by 1 to 2 volts.