DETAILS
A gas-shielded, flux-cored wire designed for hot, fill and cap pass welding on up to X70 grade pipe.
Features
- Consistent Arc – designed for optimal performance in automated pipe welding applications where a consistent arc length is critical
- Flat Bead Shape
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-GM-H4 |
AWS | AWS A5.36 | E81T1-M21A4-K11-H4 |
CWB | CSA W48 | E551T1-M21A4-K11-H4, E81T1-GM-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) |
---|---|---|---|---|---|---|
E81T1-GM-H4 Requirement | 75-80% Ar, balance CO2 | DC+ | 470 (68) min. | 550-690 (80-100) | 19 min. | |
E81T1-M21A4-K11-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+ | 490 (71) | 570-620 (82-90) | 25 | 89-155 (65-114) |
DEPOSIT COMPOSITION
Classification | Shielding Gas | Polarity | %B | %C | %Cr | %Mn | %Mo | %Ni | %P | %S | %Si | %V |
Diffusible Hydrogen
mL/100g Weld Metal |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E81T1-GM-H4 Requirement | 75-80% Ar, balance CO2 | DC+ | Info. Only | 0.30 min. * | 0.50 min. * | 0.20 min. * | 0.50 min. * | 0.030 max. | 0.030 max. | 1.00 max. | 0.10 min. * | 4.0 max. | |
E81T1-M21A4-K11-H4 Requirement | M21-ArC | DC+ | 0.15 max. | 0.20 max. | 1.00 - 2.50 | 0.50 max. | 0.40 - 1.00 | 0.030 max. | 0.030 max. | 0.80 max. | 0.05 max. | 4 max. | |
Typical Result | 75% Ar, 25% CO2 | DC+ | 0.0064-0.007 | 0.06-0.07 | 0.05 max. | 1.51-1.72 | 0.02 | 0.77-0.87 | 0.015 max. | 0.014 max. | 0.32-0.39 | 0.01 | 2.1-3 |
TYPICAL OPERATING PROCEDURES
Diameter | Shielding Gas | Polarity |
CTWD
mm (in.) |
Wire Feed Speed
m/min (in/min) |
Voltage
volts |
Approx. Current
amps |
Melt-off Rate
kg/hr (lb/hr) |
---|---|---|---|---|---|---|---|
1.2 mm (0.047 in) | 75-85% Ar / balance CO2 | DC+ | 19 (3/4) | 4.4-10.2 (175 - 400) | 23-30 | 130 - 275 | 1.8-4.1 (3.9-9.0) |
NOTES
Note |
---|
* To meet the requirements of a "G" classification, the chemical composition of the weld deposit must meet the minimum requirement for one or more of these elements. |