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