Diameters / Packaging
Diameters |
(4) 14 lb Coil |
---|---|
5/64 in (2.0 mm) | ED030924 |
Détails
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.
Traits
- 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
Applications typiques
- Hot, fill and cap pass welding of up to X70 grade pipe
Positions de soudage
- All except vertical up
Gaz de protection
- N/A
Disclaimers
Des informations de service
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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 A5.29 | 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). |