Detalles
A mild steel, gas-shielded flux-cored wire designed to provide the high deposition rates and low temperature impact toughness required in many heavy fabrication applications.
Características
- High Deposition Rates – increase weld deposition up to 14 lbs/hr out-of-position
- Flat Bead Appearance – fast freezing slag for a flat bead shape and increased productivity in all positions
- Wide Operating Range – operators can set the machine on a single setting and weld in all positions
- Little or No Pre-Weld Clean up Required – weld over light rust, mill scale and primer
- Low Temperature Impact Toughness – capable of exceeding 27 J (20 ft·lbf) at -40°C (-40°F)
Servicio de información
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CONFORMANCE
| CONFORMANCES | SPECIFICATION | CLASSIFICATION |
|---|---|---|
| AWS | AWS A5.20 | E71T-12M-JH8, E71T-1M-JH8, E71T-9M-JH8 |
| AWS | AWS A5.36 | E71T1-M21A4-CS2-H8 |
| ABS | ABS - Part 2 | 3Y400SA H10, 3YSA H10 |
| CWB | CSA W48 | E491T1-M21A4-CS2-H8 (E491T-12MJ-H8) |
| DNV-GL | DNV - 2.9 | III YMS H10 |
| LR | LR - Chapter 11 | 3YS H10 |
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) |
|---|---|---|---|---|---|---|
| E71T-12M-JH8 Requirement | 75-80% Ar, balance CO2 | DC+ | 400 (58) min. | 480-620 (70-90) | 22 min. | 27 (20) min. |
| E71T1-M21A4-CS2-H8 Requirement | M21-ArC | DC+ | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. |
| Typical Result, As-welded | 75% Ar, 25% CO2 | DC+ | 510 (74) | 580-620 (84-90) | 22 | 33-100 (24-74) |
DEPOSIT COMPOSITION
| Classification | Shielding Gas | Polarity | %B | %C | %Mn | %P | %S | %Si |
Diffusible Hydrogen
mL/100g Weld Metal |
|---|---|---|---|---|---|---|---|---|---|
| E71T-12M-JH8 Requirement | 75-80% Ar, balance CO2 | DC+ | 0.12 max. | 1.60 max. | 0.03 max. | 0.03 max. | 0.90 max. | 8.0 max. | |
| E71T1-M21A4-CS2-H8 Requirement | M21-ArC | DC+ | 0.12 max. | 1.60 max. | 0.030 max. | 0.030 max. | 0.90 max. | 8 max. | |
| Typical Result | 75% Ar, 25% CO2 | DC+ | 0.0034-0.0055 | 0.04-0.06 | 1.19-1.48 | 0.01-0.02 | 0.007-0.01 | 0.34-0.44 | 3.8-7 |
TYPICAL OPERATING PROCEDURES
| Diameter | 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) |
Deposition Rate
kg/hr (lb/hr) |
Efficiency
% |
|---|---|---|---|---|---|---|---|---|---|
| 0.045 in (1.1 mm) | 100% CO2 | DC+ | 25 (1) | 4.4 (175) | 23-28 | 115 | 1.8 (3.9) | 1.5 (3.4) | 85-88 |
| 0.045 in (1.1 mm) | 100% CO2 | DC+ | 25 (1) | 6.4 (250) | 24-29 | 140 | 2.5 (5.6) | 2.2 (4.8) | 85-88 |
| 0.045 in (1.1 mm) | 100% CO2 | DC+ | 25 (1) | 7.6 (300) | 25-30 | 155 | 3.1 (6.8) | 2.6 (5.8) | 85-88 |
| 0.045 in (1.1 mm) | 100% CO2 | DC+ | 25 (1) | 8.9 (350) | 25-30 | 170 | 3.6 (7.9) | 3.1 (6.8) | 85-88 |
| 0.045 in (1.1 mm) | 100% CO2 | DC+ | 25 (1) | 10.2 (400) | 25-30 | 185 | 4.1 (9.0) | 3.5 (7.8) | 85-88 |
| 0.045 in (1.1 mm) | 100% CO2 | DC+ | 25 (1) | 11.4 (450) | 26-31 | 200 | 4.6 (10.1) | 4.0 (8.8) | 85-88 |
| 0.045 in (1.1 mm) | 100% CO2 | DC+ | 25 (1) | 12.7 (500) | 26-31 | 215 | 5.1 (11.3) | 4.4 (9.8) | 85-88 |
| 0.045 in (1.1 mm) | 100% CO2 | DC+ | 25 (1) | 14 (550) | 27-32 | 230 | 5.6 (12.4) | 4.9 (10.8) | 85-88 |
| 0.045 in (1.1 mm) | 100% CO2 | DC+ | 25 (1) | 15.2 (600) | 27-32 | 245 | 6.1 (13.5) | 5.3 (11.7) | 85-88 |
| 0.052 in (1.3 mm) | 100% CO2 | DC+ | 25 (1) | 3.8 (150) | 23-28 | 140 | 2.1 (4.7) | 1.7 (3.8) | 85-88 |
| 0.052 in (1.3 mm) | 100% CO2 | DC+ | 25 (1) | 5.1 (200) | 24-29 | 160 | 2.9 (6.3) | 2.4 (5.2) | 85-88 |
| 0.052 in (1.3 mm) | 100% CO2 | DC+ | 25 (1) | 6.4 (250) | 25-30 | 180 | 3.5 (7.8) | 3.0 (6.5) | 85-88 |
| 0.052 in (1.3 mm) | 100% CO2 | DC+ | 25 (1) | 7.6 (300) | 25-30 | 205 | 4.3 (9.4) | 3.6 (7.9) | 85-88 |
| 0.052 in (1.3 mm) | 100% CO2 | DC+ | 25 (1) | 8.9 (350) | 26-31 | 225 | 5.0 (11.0) | 4.2 (9.2) | 85-88 |
| 0.052 in (1.3 mm) | 100% CO2 | DC+ | 25 (1) | 9.5 (375) | 26-31 | 235 | 5.3 (11.7) | 4.5 (9.9) | 85-88 |
| 0.052 in (1.3 mm) | 100% CO2 | DC+ | 25 (1) | 10.8 (425) | 26-31 | 255 | 6.0 (13.3) | 5.1 (11.0) | 85-88 |
| 0.052 in (1.3 mm) | 100% CO2 | DC+ | 25 (1) | 12.1 (475) | 27-32 | 275 | 6.8 (14.9) | 5.7 (12.6) | 85-88 |
| 0.052 in (1.3 mm) | 100% CO2 | DC+ | 25 (1) | 12.7 (500) | 27-32 | 290 | 7.1 (15.6) | 6.0 (13.3) | 85-88 |
| 1/16 in (1.6 mm) | 100% CO2 | DC+ | 25 (1) | 3.8 (150) | 22-27 | 200 | 2.9 (6.4) | 2.4 (5.3) | 85-88 |
| 1/16 in (1.6 mm) | 100% CO2 | DC+ | 25 (1) | 4.4 (175) | 23-28 | 215 | 3.4 (7.5) | 2.9 (6.3) | 85-88 |
| 1/16 in (1.6 mm) | 100% CO2 | DC+ | 25 (1) | 5.1 (200) | 23-28 | 230 | 3.9 (8.5) | 3.3 (7.2) | 85-88 |
| 1/16 in (1.6 mm) | 100% CO2 | DC+ | 25 (1) | 5.7 (225) | 23-28 | 245 | 4.4 (9.6) | 3.7 (8.1) | 85-88 |
| 1/16 in (1.6 mm) | 100% CO2 | DC+ | 25 (1) | 6.4 (250) | 24-29 | 255 | 4.8 (10.6) | 4.1 (9.1) | 85-88 |
| 1/16 in (1.6 mm) | 100% CO2 | DC+ | 25 (1) | 7.6 (300) | 24-29 | 285 | 5.8 (12.7) | 4.9 (10.9) | 85-88 |
| 1/16 in (1.6 mm) | 100% CO2 | DC+ | 25 (1) | 8.3 (325) | 25-30 | 300 | 6.3 (13.8) | 5.4 (11.9) | 85-88 |
| 1/16 in (1.6 mm) | 100% CO2 | DC+ | 25 (1) | 8.9 (350) | 25-30 | 310 | 6.7 (14.8) | 5.8 (12.8) | 85-88 |
| 1/16 in (1.6 mm) | 100% CO2 | DC+ | 25 (1) | 10.2 (400) | 26-31 | 340 | 7.7 (16.9) | 6.7 (14.7) | 85-88 |
NOTES
| Note |
|---|
| ⁽¹⁾ To estimate ESO, subtract 1/4 in. (6.0 mm) from CTWD. |