Diameters / Packaging

Diameters	33 lb Spool	50 lb Spool	60 lb Coil	500 lb Accu-Trak® Drum
0.045 in (1.1 mm)	ED030392	ED030554		ED031011
0.052 in (1.3 mm)	ED030393	ED030556	ED030550	ED030946
1/16 in (1.6 mm)	ED030394	ED030555		ED030947

Metalshield® MC-6®

Metal-Cored Gas-Shielded (GMAW-C)

CLASSIFICATIONS:
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.

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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

Shielding Gas

Mixed Shielding Gas

Disclaimers

Warning -

Cancer and Reproductive Harm -

www.P65Warnings.ca.gov

Service Information

Documentation

Metalshield MC-6 Product Info

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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)

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)

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

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

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.