照片仅做参考,请以最终实物为准
直径 / 包装
|
直径 |
14 lb 卷装 |
|---|---|
| 5/64 in (2.0 mm) | ED030924 |
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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). |