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DETAILS
Metalshield® MC-70 XLS® from Lincoln Electric is a mild steel metal-cored wire designed with minimal silicon islands for an exceptionally clean weld surface and minimal post weld clean up.
Disclaimers
Service Information
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 |
| CWB/CSA | CWB/CSA | E491T15-M21A4-CS1-H4 & E491T15-M20A4-CS1-H4 (E491C-6MJ-H4) |
| CSA | CSA W48 | E491T15-GA4-CS1-H4 (E491C-6MJ-H4) |
| AWS | AWS D1.8 | 0.045 in., 0.052 in. & 1/16 in. |
MECHANICAL PROPERTIES
| Classification | Shielding Gas |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F) |
|---|---|---|---|---|---|
| E70C-6M-H4 Requirement | 400 (58) min. | 480 (70) min. | 22 min. | 27 (20) min. | |
| E70T15-M20A4-CS1-H4 Requirement | 400 (58) min. | 490-660 (70-95) | 22 min. | 27 (20) min. | |
| Typical Result, As-welded | 75% Ar, 25% CO2 | 450-510 (65-75) | 510-590 (75-85) | 26-30 | 40-75 (30-55) |
| Typical Result, As-welded | 90% Ar, 10% CO2 | 450-550 (65-80) | 550-620 (80-90) | 26-30 | 60-105 (45-75) |
DEPOSIT COMPOSITION
| Classification | Shielding Gas | %C | %Cr | %Mn | %Mo | %Ni | %P | %S | %Si | %Cu | %V |
Diffusible Hydrogen
mL/100g Weld Metal |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| E70C-6M-H4 Requirement | 0.12 max. | 0.20 max. | 1.75 max. | 0.30 max. | 0.50 max. | 0.03 max. | 0.03 max. | 0.90 max. | 0.50 max. | 0.08 max. | 4.0 max. | |
| E70T15-M20A4-S1-H4 | 0.12 max. | 0.20 max. | 1.75 max. | 0.30 max. | 0.50 max. | 0.030 max. | 0.030 max. | 0.90 max. | 0.50 max. | 0.08 max. | 4 max. | |
| Typical Result | 75% Ar, 25% CO2 | 0.04-0.07 | 0.01-0.03 | 1.25-1.55 | 0.01-0.02 | 0.30-0.40 | 0.005-0.010 | 0.010-0.020 | 0.55-0.80 | 0.01-0.05 | 0.01-0.02 | 2-4 |
| Typical Result | 90% Ar, 10% CO2 | 0.04-0.07 | 0.01-0.03 | 1.25-1.60 | 0.01-0.02 | 0.30-0.40 | 0.005-0.010 | 0.01-0.02 | 0.60-0.85 | 0.01-0.05 | 0.01-0.02 | 2-4 |
TYPICAL OPERATING PROCEDURES
| Diameter in (mm) | Polarity | Shielding Gas | CTWD(1) mm (in) | Wire Feed Speed m/min (in/min) | Voltage (volts) | Current (amps) | Melt-Off Rate kg/hr (lb/hr) | Deposition Rate kg/hr (lb/hr) | Efficiency (%) |
|---|---|---|---|---|---|---|---|---|---|
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 5.1 (200) | 21-23 | 155 | 2.3 (5.0) | 2.1 (4.6) | 92 |
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 6.4 (250) | 22-24 | 185 | 2.8 (6.2) | 2.6 (5.8) | 94 |
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 7.6 (300) | 22-26 | 220 | 3.5 (7.7) | 3.2 (7.0) | 91 |
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 8.9 (350) | 22-27 | 245 | 4.0 (8.9) | 3.7 (8.2) | 93 |
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 10.2 (400) | 23-27 | 260 | 4.6 (10.1) | 4.3 (9.4) | 93 |
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 11.4 (450) | 23-28 | 280 | 5.2 (11.4) | 4.9 (10.7) | 94 |
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 12.7 (500) | 23-29 | 305 | 5.7 (12.6) | 5.5 (12.2) | 97 |
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 14.0 (550) | 24-29 | 315 | 6.3 (13.9) | 6.2 (13.6) | 98 |
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 15.2 (600) | 25-30 | 325 | 6.8 (15.1) | 6.7 (14.8) | 98 |
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 16.5 (650) | 26-30 | 355 | 7.5 (16.5) | 7.4 (16.3) | 98 |
| 0.045 (1.1) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 17.8 (700) | 26-30 | 360 | 8.0 (17.7) | 7.9 (17.5) | 99 |
| 0.052 (1.3) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 5.1 (200) | 22-24 | 210 | 3.1 (6.8) | 2.9 (6.3) | 94 |
| 0.052 (1.3) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 6.4 (250) | 22-26 | 260 | 3.9 (8.5) | 3.5 (7.8) | 92 |
| 0.052 (1.3) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 7.6 (300) | 22-27 | 290 | 4.6 (10.2) | 4.3 (9.5) | 94 |
| 0.052 (1.3) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 8.9 (350) | 23-28 | 315 | 5.4 (11.9) | 5.2 (11.4) | 97 |
| 0.052 (1.3) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 10.2 (400) | 24-28 | 350 | 6.2 (13.6) | 6.1 (13.4) | 97 |
| 0.052 (1.3) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 11.4 (450) | 25-28 | 370 | 6.9 (15.3) | 6.8 (15.1) | 99 |
| 0.052 (1.3) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 12.7 (500) | 27-29 | 390 | 7.7 (17.0) | 7.6 (16.8) | 99 |
| 0.052 (1.3) | DC+ | 90% Ar, 10% CO2 | 19-25 (3/4-1) | 14.0 (550) | 27-30 | 420 | 8.4 (18.6) | 8.3 (18.3) | 99 |
| 1/16 (1.6) | DC+ | 90% Ar, 10% CO2 | 25-32 (1-1 1/4) | 3.8 (150) | 22-24 | 230 | 3.2 (7.0) | 2.8 (6.3) | 89 |
| 1/16 (1.6) | DC+ | 90% Ar, 10% CO2 | 25-32 (1-1 1/4) | 5.1 (200) | 22-25 | 280 | 4.3 (9.4) | 3.9 (8.7) | 93 |
| 1/16 (1.6) | DC+ | 90% Ar, 10% CO2 | 25-32 (1-1 1/4) | 6.4 (250) | 23-27 | 310 | 5.3 (11.6) | 5.0 (11.0) | 94 |
| 1/16 (1.6) | DC+ | 90% Ar, 10% CO2 | 25-32 (1-1 1/4) | 7.6 (300) | 24-28 | 370 | 6.3 (13.9) | 6.3 (13.8) | 99 |
| 1/16 (1.6) | DC+ | 90% Ar, 10% CO2 | 25-32 (1-1 1/4) | 8.9 (350) | 26-30 | 400 | 7.4 (16.3) | 7.2 (15.9) | 98 |
| 1/16 (1.6) | DC+ | 90% Ar, 10% CO2 | 25-32 (1-1 1/4) | 10.2 (400) | 26-30 | 450 | 8.3 (18.4) | 8.3 (18.4) | 99 |
| 1/16 (1.6) | DC+ | 90% Ar, 10% CO2 | 25-32 (1-1 1/4) | 11.4 (450) | 27-31 | 480 | 9.5 (21.0) | 9.3 (20.6) | 98 |
NOTES
| Name |
|---|
| ⁽¹⁾ To estimate ESO, subtract 3/16 in (4.8 mm) from CTWD. |