SMAW
CM-B108
Stick electrode for 2.25%Cr-1%Mo steel
| Features: | - Applied for ASTM A387 Gr.22 and equivalents
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| Classification: | AWS A5.5 E9018-B3 |
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| Redrying Conditions: | 325-375°Cx1h |
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| Identification color: | 1st Black, 2nd Pink |
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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 | 300 | 2 | 20 | 19 | 170W, 120H, 330L |
| 3.2 | 400 | 5 | 20 | 40 | 170W, 120H, 430L |
| 4.0 | 450 | 5 | 20 | 69 | 170W, 120H, 480L |
| 5.0 | 450 | 5 | 20 | 108 | 170W, 120H, 480L |
Composition (all-weld metal mass %)
| | Typical (AC) | Guarantya |
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| C | 0.07 | 0.05-0.12 |
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| Si | 0.72 | 0.80 |
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| Mn | 0.72 | 0.90 |
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| P | 0.01 | 0.03 |
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| S | 0.01 | 0.03 |
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| Cr | 2.23 | 2.00-2.50 |
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| Mo | 0.97 | 0.90-1.20 |
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| Note: aSingle values are maximium. |
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 | 135-185 | 110-170 |
| 5.0 | 190-250 | - |
All-weld mechanical properties
| | Typical (AC) | Guaranty |
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| 0.2%YS (MPa) | 610 | 531min.
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| TS (MPa) | 720 | 621min. |
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| EI on 4d (%) | 23 | 17min. |
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| IV 0°C (J) | 110 | - |
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| PWHT (°Cxh) | 690x1 | 690±15x1 |
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