Diameters / Packaging
Diameters |
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DETAILS
A low alloy, gas-shielded flux-cored wire designed to provide low temperature impact properties required in many offshore welding applications.
Features
- Capable of producing weld deposits with impact toughness exceeding 89 - 127 J (66 - 94 ft·lbf) at -40°C (-40°F)
- Designed for welding with 75-85% Argon/Balance CO2 shielding gas
- Premium arc performance and bead appearance
- H4 diffusible hydrogen levels
- ProTech® foil bag packaging
Typical Applications
- High strength steels with 550 MPa (80 ksi) tensile strength
- Offshore
- Shipbuilding
Welding Positions
- All except vertical down
Shielding Gas
- Mixed Shielding Gas
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 A5.29 | E81T1-K2M-JH4 |
AWS | AWS A5.36 | E81T1-M21A4-K2-H4 |
ABS | ABS - Part 2 | 4YQ460SA H5 |
CWB | CSA W48 | E551T1-M21A4-K2-H4 (E551T1-K2M-JH4) |
DNV-GL | DNV - 2.9 | IV Y46MS H5 |
LR | LR - Chapter 11 | 4Y46S H5 |
MECHANICAL PROPERTIES
Classification | Shielding Gas | Polarity |
Yield Strength @ 0.2% Offset
MPa (ksi) |
Tensile Strength
MPa (ksi) |
Elongation
% |
Charpy V-Notch
J (ft-lbs) @ -30°C (-20°F) |
Charpy V-Notch
J (ft-lbs) @ -40°C (-40°F) |
---|---|---|---|---|---|---|---|
E81T1-K2M-JH4 Requirement | 75-80% Ar, balance CO2 | DC+ | 470 (68) min. | 550-690 (80-100) | 19 min. | 27 (20) min. | |
E81T1-M21A4-K2-H4 Requirement | M21-ArC | DC+ | 470 (68) min. | 550-690 (80-100) | 19 min. | 27 (20) min. | |
Typical Result, As-welded | 75% Ar, 25% CO2 | DC+ | 540 (78) | 590-640 (86-93) | 22 | 106-136 (78-100) | 83-151 (61-111) |
DEPOSIT COMPOSITION
Classification | Shielding Gas | Polarity | %B | %C | %Cr | %Mn | %Mo | %Ni | %P | %S | %Si | %V |
Diffusible Hydrogen
mL/100g Weld Metal |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E81T1-K2M-JH4 Requirement | 75-80% Ar, balance CO2 | DC+ | 0.15 max. | 0.15 max. | 0.50 - 1.75 | 0.35 max. | 1.00 - 2.00 | 0.030 max. | 0.030 max. | 0.80 max. | 0.05 max. | 4.0 max. | |
E81T1-M21A4-K2-H4 Requirement | M21-ArC | DC+ | 0.15 max. | 0.15 max. | 0.50 - 1.75 | 0.35 max. | 1.00 - 2.00 | 0.030 max. | 0.030 max. | 0.80 max. | 0.05 max. | 4 max. | |
Typical Result | 75% Ar, 25% CO2 | DC+ | 0.0048-0.0066 | 0.04-0.07 | 0.03-0.06 | 0.99-1.09 | 0.01 max. | 1.44-1.62 | 0.013 max. | 0.012 max. | 0.25-0.30 | 0.03 max. | 3.4 |
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) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 4.4 (175) | 22-27 | 140 | 1.8 (4.0) | 1.6 (3.5) | 86-88 |
0.045 in (1.1 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 5.1 (200) | 23-28 | 150 | 2.1 (4.6) | 1.8 (4.0) | 86-88 |
0.045 in (1.1 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 6.4 (250) | 24-29 | 165 | 2.6 (5.7) | 2.3 (5.0) | 86-88 |
0.045 in (1.1 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 7.6 (300) | 24-29 | 190 | 3.1 (6.8) | 2.7 (6.0) | 86-88 |
0.045 in (1.1 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 8.9 (350) | 25-30 | 205 | 3.6 (8.0) | 3.2 (7.0) | 86-88 |
0.045 in (1.1 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 9.5 (375) | 25-30 | 225 | 3.9 (8.6) | 3.4 (7.5) | 86-88 |
0.045 in (1.1 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 10.8 (425) | 26-31 | 245 | 4.4 (9.7) | 3.8 (8.5) | 86-88 |
0.045 in (1.1 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 12.1 (475) | 27-32 | 265 | 4.9 (10.8) | 4.3 (9.5) | 86-88 |
0.045 in (1.1 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 12.7 (500) | 28-33 | 275 | 5.2 (11.4) | 4.5 (10.0) | 86-88 |
0.052 in (1.3 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 3.8 (150) | 22-27 | 150 | 2.0 (4.5) | 1.8 (3.9) | 86-88 |
0.052 in (1.3 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 4.7 (185) | 23-28 | 165 | 2.5 (5.5) | 2.2 (4.8) | 86-88 |
0.052 in (1.3 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 5.7 (225) | 23-28 | 190 | 3.1 (6.7) | 2.7 (5.9) | 86-88 |
0.052 in (1.3 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 6.4 (250) | 24-29 | 215 | 3.4 (7.5) | 2.9 (6.5) | 86-88 |
0.052 in (1.3 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 6.9 (275) | 24-29 | 235 | 3.7 (8.2) | 3.2 (7.2) | 86-88 |
0.052 in (1.3 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 7.6 (300) | 25-30 | 255 | 4.1 (9.0) | 3.5 (7.8) | 86-88 |
0.052 in (1.3 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 8.5 (335) | 25-31 | 275 | 4.5 (10.0) | 4.0 (8.7) | 86-88 |
0.052 in (1.3 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 9.5 (375) | 26-32 | 295 | 5.1 (11.2) | 4.4 (9.8) | 86-88 |
0.052 in (1.3 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 10.2 (400) | 26-33 | 310 | 5.4 (12.0) | 4.7 (10.4) | 86-88 |
1/16 in (1.6 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 3.8 (150) | 22-27 | 200 | 2.9 (6.3) | 2.5 (5.5) | 86-88 |
1/16 in (1.6 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 4.4 (175) | 23-28 | 210 | 3.3 (7.4) | 2.9 (6.4) | 86-88 |
1/16 in (1.6 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 5.1 (200) | 24-29 | 235 | 3.8 (8.4) | 3.3 (7.3) | 86-88 |
1/16 in (1.6 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 5.7 (225) | 24-29 | 265 | 4.3 (9.5) | 3.7 (8.2) | 86-88 |
1/16 in (1.6 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 6.4 (250) | 25-30 | 285 | 4.8 (10.5) | 4.2 (9.2) | 86-88 |
1/16 in (1.6 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 6.9 (275) | 25-31 | 315 | 5.3 (11.6) | 4.6 (10.1) | 86-88 |
1/16 in (1.6 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 8.3 (325) | 26-32 | 335 | 6.2 (13.7) | 5.4 (11.9) | 86-88 |
1/16 in (1.6 mm) | 75-85% Ar / balance CO2 | DC+ | 25 (1) | 8.9 (350) | 27-33 | 365 | 6.7 (14.7) | 5.8 (12.8) | 86-88 |
NOTES
Note |
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⁽¹⁾ To estimate ESO, subtract 1/4 in. (6.0 mm) from CTWD. |