Metalshield Consumables

Metalshield® MC-6®

Metal-cored Wire

AWS: E70C-6M H4, E70T15-M20A4-CS1-H4, E70C-6M-H4

Metalshield® MC-6® from Lincoln Electric is designed for superior arc performance in fast-follow, high travel speed applications requiring minimal amounts of spatter.

DETAILS

A mild steel, metal-cored wire designed for superior arc performance in fast-follow, high travel speed applications requiring minimal amounts of spatter.

Features

  • Excellent performance in fast follow, high travel speed applications
  • Optimal wetting action, even at low voltages
  • H4 diffusible hydrogen level
  • Use with Rapid-Arc® Waveform Control Technology®
  • Deoxidizing arc action minimizes pre-weld work

Typical Applications

  • Robotics/ Hard automation
  • Automotive
  • Structural fabrication
  • Process piping and pressure vessels
  • General fabrication

Welding Positions

  • All

Shielding Gas

  • Mixed Shielding Gas

Special Features

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

See test result disclaimer

CONFORMANCE

CONFORMANCES SPECIFICATION CLASSIFICATION
AWS AWS A5.18 E70C-6M-H4
AWS AWS A5.36 E70T15-M20A4-CS1-H4, E70T15-M21A4-CS1-H4
CWB CSA W48 E491T15-GA4-CS1-H4 (E491C-6MJ-H4), E491T15-M12A4-CS1-H4 (E491C-6MJ-H4), E491T15-M21A4-CS1-H4 (E491C-6MJ-H4), E491T15-M22A4-CS1-H4 (E491C-6MJ-H4)

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) @ -40°C (-40°F)
E70C-6M-H4 Requirement 75-80% Ar, balance CO2 Not Specified 400 (58) min. 480 (70) min. 22 min.
E70T15-M20A4-CS1-H4 Requirement M20-ArC DC+ or DC- 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
E70T15-M21A4-CS1-H4 Requirement M21-ArC DC+ or DC- 400 (58) min. 480-660 (70-95) 22 min. 27 (20) min.
Typical Result, As-welded 75% Ar, 25% CO2 DC+ 500 (72) 560-580 (81-85) 25 37-65 (27-48)
Typical Result, As-welded 90% Ar, 10% CO2 DC+ 560 (81) 630 (91) 28 57-72 (42-53)

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

DEPOSIT COMPOSITION

Classification Shielding Gas Polarity %B %C %Cr %Cu %Mn %Mo %Ni %P %S %Si %V %Ni+Cr+Mo+V Diffusible Hydrogen
mL/100g Weld Metal
E70C-6M-H4 Requirement 75-80% Ar, balance CO2 Not Specified 0.12 max. 0.20 max. 0.50 max. 1.75 max. 0.30 max. 0.50 max. 0.03 max. 0.03 max. 0.90 max. 0.08 max. 0.50 max. 4 max.
E70T15-M20A4-CS1-H4 Requirement M20-ArC DC+ or DC- 0.12 max. 1.75 max. 0.030 max. 0.030 max. 0.90 max. 4 max.
E70T15-M21A4-CS1-H4 Requirement M21-ArC DC+ or DC- 0.12 max. 1.75 max. 0.030 max. 0.030 max. 0.90 max. 4 max.
Typical Result 75% Ar, 25% CO2 DC+ 0.0040 0.04-0.05 0.04-0.06 0.06-0.07 1.34-1.48 0.01 0.02-0.03 0.006-0.012 0.020-0.022 0.47-0.56 0.01 0.11 1.2-2
Typical Result 90% Ar, 10% CO2 DC+ 0.0040 0.05 1.55 0.008 0.024 0.60 1

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 Shielding Gas Polarity CTWD
mm (in.)⁽¹⁾
Wire Feed Speed
m/min (in/min)
Voltage
volts⁽²⁾
Approx. Current
amps
Melt-off Rate
kg/hr (lb/hr)
Deposition Rate
kg/hr (lb/hr)
Efficiency
%
0.045 in (1.1 mm) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 5.1 (200) 21-23 170 2.5 (4.6) 2.3 (5.2) 92
0.045 in (1.1 mm) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 6.4 (250) 22-25 190 2.9 (6.4) 2.7 (6.1) 95
0.045 in (1.1 mm) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 7.6 (300) 22-26 210 3.5 (7.8) 3.2 (7.1) 92
0.045 in (1.1 mm) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 8.9 (350) 22-27 245 4.1 (9.1) 3.9 (8.7) 95
0.045 in (1.1 mm) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 10.2 (400) 23-27 265 4.6 (10.2) 4.5 (9.9) 97
0.045 in (1.1 mm) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 12.7 (500) 23-28 300 5.7 (12.6) 5.6 (12.4) 98
0.045 in (1.1 mm) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 15.2 (600) 25-29 335 7.0 (15.4) 6.9 (15.3) 99
0.045 in (1.1 mm) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 17.8 (700) 26-30 370 8.1 (17.8) 7.9 (17.5) 98
1.3 mm (0.052 in) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 5.1 (200) 22-24 220 3.2 (7.0) 2.9 (6.4) 92
1.3 mm (0.052 in) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 6.4 (250) 22-26 260 4.0 (8.7) 3.8 (8.3) 95
1.3 mm (0.052 in) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 7.6 (300) 22-27 300 4.9 (10.7) 4.7 (10.3) 96
1.3 mm (0.052 in) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 8.9 (350) 23-27 335 5.6 (12.3) 5.5 (12.0) 98
1.3 mm (0.052 in) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 10.2 (400) 24-28 360 6.3 (13.9) 6.3 (13.8) 99
1.3 mm (0.052 in) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 12.7 (500) 27-30 410 7.9 (17.4) 7.8 (17.3) 99
1.3 mm (0.052 in) 90% Ar / 10% CO2 DC+ 19-25 (3/4-1) 15.2 (600) 27-31 455 9.5 (21.1) 9.4 (20.8) 99
1/16 in (1.6 mm) 90% Ar / 10% CO2 DC+ 25-32 (1-1 1/4) 2.5 (100) 21-24 175 2.1 (4.7) 2 (4.4) 93
1/16 in (1.6 mm) 90% Ar / 10% CO2 DC+ 25-32 (1-1 1/4) 3.8 (150) 22-25 235 3.2 (7.1) 2.9 (6.4) 90
1/16 in (1.6 mm) 90% Ar / 10% CO2 DC+ 25-32 (1-1 1/4) 5.1 (200) 22-26 290 4.3 (9.5) 4.0 (8.9) 94
1/16 in (1.6 mm) 90% Ar / 10% CO2 DC+ 25-32 (1-1 1/4) 6.4 (250) 22-28 345 5.4 (11.9) 5.2 (11.4) 96
1/16 in (1.6 mm) 90% Ar / 10% CO2 DC+ 25-32 (1-1 1/4) 7.6 (300) 23-29 360 6.4 (14.2) 6.3 (13.9) 98
1/16 in (1.6 mm) 90% Ar / 10% CO2 DC+ 25-32 (1-1 1/4) 10.2 (400) 26-31 425 8.5 (18.7) 8.4 (18.5) 99
1/16 in (1.6 mm) 90% Ar / 10% CO2 DC+ 25-32 (1-1 1/4) 12.7 (500) 27-32 485 10.8 (23.8) 10.7 (23.5) 99

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⁾ To estimate ESO, subtract 3/16 in (4.8 mm) from CTWD.
⁽²⁾ For greater percentage of CO2 shielding gas, increase voltage by 1-2 volts.