SMAW
LB-52-18
Stick electrode
| Features: | - Suitable for butt and fillet welding of heavy structure
- Good performance by DCEP current
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| Classification: | AWS A5.1 E7018 |
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| Redrying Conditions: | 300-350°Cx0.5-1h |
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| Identification color: | 1st Blue white, 2nd Blue |
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| Polarity: | AC, DCEP |
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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 | 24 | 170W, 105H, 380L |
| 3.2 | 400 | 5 | 20 | 41 | 170W, 105H, 430L |
| 4.0 | 450 | 5 | 20 | 69 | 170W, 105H, 480L |
| 5.0 | 450 | 5 | 20 | 106 | 170W, 105H, 480L |
Composition (all-weld metal mass %)
| | Typical (AC) | Guarantya |
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| C | 0.07 | 0.15 |
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| Si | 0.59 | 0.75 |
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| Mn | 0.97 | 1.60 |
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| P | 0.013 | 0.035 |
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| S | 0.007 | 0.035 |
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| Ni | 0.02 | 0.30 |
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| Cr | 0.03 | 0.20 |
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| Mo | <0.01 | 0.30 |
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| V | 0.01 | 0.08 |
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| Othersb | 1.03 | 1.75 |
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Note: aSingle values are maximium.
bCombined Limit for Mn+Ni+Cr+Mo+V
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Welding parameters (A)
| φ mm | 1F, 1G, 2F, 2G | 3G uphill, 4G |
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| 2.6 | 65-95 | 60-90 |
| 3.2 | 90-130 | 80-120 |
| 4.0 | 130-190 | 110-170 |
| 5.0 | 190-250 | 165-210 |
All-weld mechanical properties
| | Typical (AC) | Guaranty |
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| 0.2%YS (MPa) | 500 | 420 | 400min. | 350min. |
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| TS (MPa) | 560 | 520 | 483min. | 460min. |
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| EI on 4d (%) | 31 | 32 | 22min. | 25min. |
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| IV -29°C (J) | 110 | 140 | 27min. | 27min. |
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| PWHT (°Cxh) | AW | 620x1 | AW | 620±15x1 |
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| ABS | 3Y, H10 |
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| LR | 3Ym, H15 |
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| DNV | 3Y, H10 |
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| NK | KMW53, H10 |
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