SMAW
LB-55U
Stick electrode
| Features: | Suitable for one side welding of pipesGood arc stability in one side welding with relatively low current
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| Classification: | AWS A5.5 E8016-G |
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| Redrying Conditions: | 350~400℃x1h |
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| Identification color: | - |
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| Polarity: | AC, DCEP, DCEN (Root Pass only) |
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Welding Positions:
Packaging data
φ mm
| Length mm
| kg/pack | kg/carton | g/piece | carton mm |
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| 2.6 | 350 | 5 | 20 | 20 | 170W, 110H, 380L
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| 3.2 | 400 | 5 | 20 | 35 | 170W, 110H, 430L
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| 4.0 | 400 | 5 | 20 | 53 | 170W, 110H, 430L
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Composition (all-weld metal mass %)
| Typical (DCEP)
| Guarantya
|
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C
| 0.06
| 0.15
|
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Si
| 0.49
| 0.75
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| Mn | 1.70
| 1.40~2.25
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| P | 0.015
| 0.030
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| S | 0.005
| 0.030
|
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Note: aSingle values are maximium.
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Welding parameters (A)
φ mm
| 1F, 1G, 2F, 2G
| 3G uphill, 4G
| Root passb |
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2.6
| 60~90
| 50~80
| 30~80
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3.2
| 90~130
| 80~120
| 60~110
|
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| 4.0 | 130~180
| 110~170
| 90~140
|
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Note: bDCEN is also suitable.
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All-weld mechanical properties
| Typical (DCEP)
| Guaranty
|
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0.2%YS (MPa)
| 570
| 462min.
|
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TS (MPa)
| 620
| 552min.
|
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| El on 4d (%) | 31
| 19min.
|
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| IV -40℃ (J) | 110
| 32min.
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ABS
| 3YQ460 H10, MG
|
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| LR | 3Y46m,H10 |
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DNV
| 3Y46 H10, MG
|
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BV
| 3Y46H10 UP
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