DÉTAILS
Conçu pour le soudage hors position à fort taux de dépôt pour la fabrication de structures dans les zones sismiques. Recommandé pour le soudage en une ou plusieurs passes d'acier carbone de 4.8 mm (3/16 in) et plus.
Caractéristiques
- Taux de dépôts élevés en soudage hors position
- Arc pénétrant
- Laitier à solidification rapide avec un excellent nettoyage après soudage
Service d'information
Documentation
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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. Page de recherche SDS
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 |