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
Feature.Products.PDP.DetailsMain.TypicalApplications
- 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
Feature.Products.PDP.DetailsMain.WeldingPositions
- All
Feature.Products.PDP.DetailsMain.ShieldingGas
- 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 |