DETAILS
Designed for vertical down, hot, fill and cap passes on standard cross-country pipelines and arctic grade pipe. Recommended for API Pipe Grades X42 up to undermatching X70.
Features
- Vertical down hot, fill and cap passes on standard cross-country pipelines and arctic grade pipe
- Recommended for API grades X42 up to undermatching X70
- High deposition rates
Disclaimers
Service Information
Documentation
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在使用之前,阅读和理解SH的安全数据EET (SDS) FOR THIS PRODUCT AND SPECIFIC INFORMATION PRINTED ON THE PRODUCT CONTAINER.SDS Search page
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CONFORMANCE
CONFORMANCES | SPECIFICATION | CLASSIFICATION |
---|---|---|
AWS | AWS A5.29 | E71T8-K6-H16 |
AWS | AWS A5.36 | E71T8-A2-K6-H16 |
ABS | AWS A5.29 | E71T8-K6 |
BV | BV - Chapter 5 | SA3YMH |
CWB | CSA W48 | E491T8-A3-K6-H16 (E491T8-K6-H16) |
DNV-GL | DNV - 2.9 | III YMS H15 |
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) |
---|---|---|---|---|---|
E71T8-K6-H16 Requirement | DC- | 400 (58) min. | 480-620 (70-90) | 20 min. | 27 (20) min. |
E71T8-A2-K6-H16 Requirement | DC- | 400 (58) min. | 480-660 (70-95) | 22 min. | 27 (20) min. |
Typical Result, As-welded | DC- | 410 (59) | 520-570 (75-82) | 26 | 31-197 (23-145) |
DEPOSIT COMPOSITION
Classification | Polarity | %Al | %C | %Cr | %Mn | %Mo | %Ni | %P | %S | %Si | %V | Diffusible Hydrogen mL/100g Weld Metal |
---|---|---|---|---|---|---|---|---|---|---|---|---|
E71T8-K6-H16 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. | 16.0 max. |
E71T8-A2-K6-H16 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. | 16 max. |
Typical Result | DC- | 0.8-1.1 | 0.05-0.07 | 0.02-0.05 | 0.86-1.03 | 0.03 | 0.72-0.90 | 0.009 | 0.004 | 0.24-0.30 | 0.005 | 6.0 |
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- | 25 (1) | 2.0 (80) | 17-18 | 190 | 1.7 (3.8) | 1.3 (3.0) | 79 |
0.068 in (1.7 mm) | DC- | 25 (1) | 2.6 (105) | 18-19 | 230 | 2.2 (5.3) | 1.8 (4.0) | 80 |
0.068 in (1.7 mm) | DC- | 25 (1) | 3.0 (120) | 19-20 | 245 | 2.5 (5.7) | 2.0 (4.5) | 79 |
0.068 in (1.7 mm) | DC- | 25 (1) | 3.5 (140) | 21-22 | 275 | 3.0 (6.8) | 2.4 (5.5) | 81 |
0.068 in (1.7 mm) | DC- | 25 (1) | 4.4 (175) | 21-22 | 295 | 3.6 (8.0) | 2.9 (6.4) | 80 |
5/64 in (2.0 mm) | DC- | 25 (1) | 1.7 (70) | 17-18 | 205 | 2.0 (4.5) | 1.5 (3.4) | 76 |
5/64 in (2.0 mm) | DC- | 25 (1) | 2.0 (80) | 18-19 | 225 | 2.3 (5.1) | 1.7 (3.9) | 76 |
5/64 in (2.0 mm) | DC- | 25 (1) | 2.2 (90) | 18-19 | 240 | 2.6 (5.8) | 2.0 (4.5) | 78 |
5/64 in (2.0 mm) | DC- | 25 (1) | 2.7 (110) | 20-21 | 275 | 3.1 (7.0) | 2.4 (5.5) | 79 |
5/64 in (2.0 mm) | DC- | 25 (1) | 3.3 (130) | 20-21 | 300 | 3.7 (8.3) | 2.9 (6.5) | 78 |