Diameters / Packaging
Diameters |
(4) 14 lb Coil |
---|---|
5/64 in (2.0 mm) | ED030924 |
DETAILS
Has the portability of stick electrode and the productivity of wire. It is recommended for hot, fill and cap pass welding of up to X70 grade pipe.
Features
- Vertical down hot, fill and cap pass welding of up to X70 grade pipe
- High deposition rates
- Capable of producing weld deposits with impact toughness exceeding 27 J (20 ft·lbf) at -29°C (-20°F)
- ProTech® hermetically sealed packaging
- Q2 Lot® - Certificate showing actual deposit chemistry available online
Typical Applications
- Hot, fill and cap pass welding of up to X70 grade pipe
Welding Positions
- All except vertical up
Shielding Gas
- N/A
Disclaimers
Service Information
You May Also Need
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 | E71T8-K6 |
AWS | AWS A5.36 | E71T8-A2-K6 |
ABS | AWS A5.29 | E71T8-K6 |
MECHANICAL PROPERTIES
Classification | 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) |
Hardness Rockwell B |
---|---|---|---|---|---|---|---|
E71T8-K6 Requirement | DC- | 400 (58) min. | 480-620 (70-90) | 20 min. | 27 (20) min. | Info. Only | |
E71T8-A2-K6 Requirement | DC- | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. | Info. Only | |
Typical Result, As-welded | DC- | 440-500 (64-72) | 550-600 (79-87) | 25-32 | 91-378 (67-279) | 31-114 (23-84) | 87-89 |
DEPOSIT COMPOSITION
Classification | Polarity | %Al | %B | %C | %Cr | %Cu | %Mn | %Mo | %Ni | %P | %S | %Si | %V |
Diffusible Hydrogen
mL/100g Weld Metal |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
E71T8-K6 Requirement | DC- | 1.8 max. | 0.15 max. | 0.20 max. | 0.50 - 1.50 | 0.15 max. | 0.40 - 1.00 | 0.030 max. | 0.030 max. | 0.80 max. | 0.05 max. | |||
E71T8-A2-K6 Requirement | DC- | 1.8 max. | 0.15 max. | 0.20 max. | 0.50 - 1.50 | 0.15 max. | 0.40 - 1.00 | 0.030 max. | 0.030 max. | 0.80 max. | 0.05 max. | |||
Typical Result | DC- | 0.9-1.2 | 0.0007 max. | 0.05-0.08 | 0.02-0.05 | 0.01 | 1.17-1.34 | 0.03 max. | 0.72-0.91 | 0.004-0.010 | 0.003 max. | 0.26-0.31 | 0.005 max. | 5 |
TYPICAL OPERATING PROCEDURES
Diameter | Polarity |
CTWD
mm (in.)⁽¹⁾ |
Wire Feed Speed
m/min (in/min) |
Voltage
volts |
Approx. Current
amps |
Melt-off Rate
kg/hr (lb/hr) |
---|---|---|---|---|---|---|
5/64 in (2.0 mm) | DC- | 19 (3/4) | 1.7-3.3 (70-130) | 18-21 | 210-305 | 2.0-3.7 (4.3-8.1) |
NOTES
Note |
---|
⁽¹⁾ For electrical stickout (ESO) subtract 6.4 mm (1/4 in) from contact tip to work distance (CTWD). |