DETAILS
Designed for high deposition, out-of-position welding for structural fabrication in seismic zones. Recommended for single or multiple pass welding of 4.8 mm (3/16 in) and heavier carbon steel.
Eigenschaften
- High deposition rates for out-of-position welding
- Penetrating arc
- Fast freezing, easy to remove slag system
Service Informationen
Dokumentation
Ergänzende Produkte
BEFORE USE, READ AND UNDERSTAND THE SAFETY DATA SHEET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER. SDS-Suchseite
CONFORMANCE
CONFORMANCES | SPECIFICATION | CLASSIFICATION |
---|---|---|
AWS | AWS A5.20 | E71T-8-H8 |
AWS | AWS A5.36 | E71T8-A2-CS3-H8 |
CWB | CSA W48 | E491T8-A3-CS3-H8 (E491T-8-H8) |
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) |
---|---|---|---|---|---|
E71T-8-H8 Requirement | DC- | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. |
E71T8-A2-CS3-H8 Requirement | DC- | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. |
Typical Result, As-welded | DC- | 430 (63) | 550-590 (80-85) | 28 | 58-89 (43-65) |
DEPOSIT COMPOSITION
Classification | Polarity | %Al | %B | %C | %Mn | %P | %S | %Si |
Diffusible Hydrogen
mL/100g Weld Metal |
---|---|---|---|---|---|---|---|---|---|
E71T-8-H8 Requirement | DC- | 0.30 max. | 1.75 max. | 0.03 max. | 0.03 max. | 0.60 max. | 8.0 max. | ||
E71T8-A2-CS3-H8 Requirement | DC- | 0.30 max. | 1.75 max. | 0.030 max. | 0.030 max. | 0.60 max. | 8 max. | ||
Typical Result | DC- | 0.4-0.7 | 0.0013 | 0.14-0.17 | 0.58-0.74 | 0.012 | 0.003 | 0.27-0.40 | 4.8-6.7 |
TYPICAL OPERATING PROCEDURES
Diameter | Polarity |
CTWD
mm (in.) |
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
% |
---|---|---|---|---|---|---|---|---|
0.068 in (1.7 mm) | DC- | 19-32 (3/4-1 1/4) | 2.8 (110) | 18-19 | 195 | 2.3 (5.0) | 1.8 (3.9) | 78 |
0.068 in (1.7 mm) | DC- | 19-32 (3/4-1 1/4) | 3.3 (130) | 19-21 | 225 | 2.8 (6.2) | 2.0 (4.6) | 74 |
0.068 in (1.7 mm) | DC- | 19-32 (3/4-1 1/4) | 3.8 (150) | 19-21 | 250 | 3.2 (7.1) | 2.4 (5.3) | 75 |
0.068 in (1.7 mm) | DC- | 19-32 (3/4-1 1/4) | 4.3 (170) | 20-22 | 270 | 3.5 (7.8) | 2.8 (6.1) | 78 |
0.068 in (1.7 mm) | DC- | 19-32 (3/4-1 1/4) | 5.0 (195) | 23-24 | 300 | 4.3 (9.4) | 3.2 (7.0) | 74 |
0.068 in (1.7 mm) | DC- | 19-32 (3/4-1 1/4) | 6.4 (250) | 23-24 | 350 | 5.4 (11.8) | 4.0 (9.0) | 76 |
0.068 in (1.7 mm) | DC- | 19-32 (3/4-1 1/4) | 7.4 (320) | 25-27 | 400 | 6.9 (15.2) | 5.2 (11.4) | 75 |
0.072 in (1.8 mm) | DC- | 19-32 (3/4-1 1/4) | 2.0 (80) | 16-18 | 130 | 1.8 (4.0) | 1.5 (3.3) | 83 |
0.072 in (1.8 mm) | DC- | 19-32 (3/4-1 1/4) | 3.5 (140) | 18-21 | 225 | 3.1 (6.8) | 2.5 (5.5) | 81 |
0.072 in (1.8 mm) | DC- | 19-32 (3/4-1 1/4) | 3.9 (155) | 19-22 | 240 | 3.3 (7.2) | 2.7 (6.0) | 83 |
0.072 in (1.8 mm) | DC- | 19-32 (3/4-1 1/4) | 4.3 (170) | 20-23 | 255 | 3.6 (8.0) | 2.9 (6.5) | 81 |
0.072 in (1.8 mm) | DC- | 19-32 (3/4-1 1/4) | 6.4 (250) | 22-24 | 315 | 5.3 (11.7) | 4.3 (9.6) | 82 |
0.072 in (1.8 mm) | DC- | 19-32 (3/4-1 1/4) | 7.4 (290) | 23-25 | 350 | 6.2 (13.6) | 5.0 (11.0) | 81 |