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MIG Family

Diameters / Packaging

Diameters
 12.5 lb Spool
 44 lb Fiber Spool
 44 lb Steel Spool
0.040 in (1.0 mm) ED027384
0.045 in (1.1 mm) ED029042 ED025946

SuperArc® L-56®

MIG (GMAW)

CLASSIFICATIONS:
ER70S-6

SuperArc® L-56® is Lincoln Electric's premium copper coated MIG wire and an excellent choice for welding on metals with a medium to high presence of millscale.

Diameter

Select Diameter

  • 0.040 in (1.0 mm)
  • 0.045 in (1.1 mm)

Package

Select Package

  • 12.5 lb Spool
  • 44 lb Fiber Spool
  • 44 lb Steel Spool

DETAILS

Lincoln's premium copper coated MIG wire, SuperArc® L-56® is an excellent choice for welding on metals with a medium to high presence of millscale.

Features

  • High levels of manganese and silicon deoxidizers tolerate medium to heavy mill scale surfaces
  • Excellent toe-wetting provides optimal bead appearance
  • Copper coated for long contact tip life
  • Supports short-circuiting, globular, axial spray and pulsed spray transfer
  • Available to meet Buy America. Choose a Buy America MTS product from the list of Available Types or contact a Lincoln Electric representative

Typical Applications

  • Medium to heavy mill scale base material
  • Sheetmetal to 380-485 MPa (55-70 ksi) yield strength material
  • Automotive repair
  • Robotic or hard automation
  • Structural steel, Pressure vessels

Welding Positions

  • All

Shielding Gas

  • Mixed Shielding Gas|100% CO2

Service Information

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

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.18 ER70S-6
ABS ABS - Part 2 3YSA, 3YSA H5
CWB CSA W48 B-G 49A 3 C1 S6, B-G 49A 3 C1 S6 (B-G 49A 3 C G6), B-G 49A 3 Z S6
DNV-GL DNV - 2.9 III YMS H5
DB ISO 14341-A G 42 3 C1 3Si1, G 46 4 M21 3Si1
LR LR - Chapter 11 3YS H5
MIL MIL-E-23765/1D MIL-70S-6

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) 		Charpy V-Notch
J (ft-lbs) @ -40°C (-40°F)
ER70S-6 Requirement 100% CO2 DC+ 400 (58) min. 480 (70) min. 22 min. 27 (20) min.
Typical Result, As-welded 100% CO2 DC+ 420 (61) 530-570 (77-82) 25 43-121 (32-89)
Typical Result, As-welded 75% Ar, 25% CO2 DC+ 430 (62) 530-600 (77-86) 23 62-182 (46-135) 42-156 (31-115)
Typical Result, As-welded 90% Ar, 10% CO2 DC+ 490 (71) 600 (87) 24 87-109 (64-80)

WIRE COMPOSITION

Classification %C %Cr %Mn %Mo %Ni %P %S %Si %V %Total Cu
ER70S-6 Requirement 0.06 - 0.15 0.15 max. 1.40 - 1.85 0.15 max. 0.15 max. 0.025 max. 0.035 max. 0.80 - 1.15 0.03 max. 0.50 max.
Typical Result 0.07-0.10 0.01-0.05 1.41-1.58 0.01 max. 0.03 max. 0.003-0.013 0.013 max. 0.80-0.98 0.005 max. 0.13-0.29

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)
0.025 in (0.6 mm) Short Circuit Transfer 100% CO2 DC+ 9-12 (3/8-1/2) 2.5 (100) 17 35 0.4 (0.9)
0.025 in (0.6 mm) Short Circuit Transfer 100% CO2 DC+ 9-12 (3/8-1/2) 6.4 (250) 19 80 0.9 (2.0)
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 2.5 (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 (10.7)
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) 27 325 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) 28 350 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) 29 430 6.7 (14.8)

NOTES

Note
⁽¹⁾ CTWD (Contact Tip to Work Distance). Subtract 1/4 in (6.4 mm) to calculate Electrical Stickout