描述
特性：
LKE-12018-G is a low hydrogen electrode for the welding of 830 N/mm² grade high tensile steel. With excellent crack resistance, good mechanical property and bead appearance. It is provided with good arc and easy slag removal.
應用：
It is suitable for welding of heat treatable low alloy steel such as SCM21/4 Cr-Mo steel,SNCM8 Ni-Cr-Mo steel. Proper base metals are also including forging cast iron(ASTM A486 Gr.120/A508 Gr.5a.4a),pressure vessel steel plate (A543 Gr.B3C3),ect.
使用注意事項：
1.Dry the electrodes at 350-400°C for 60 minutes and keep at 100-150°C before use.
2.Preheat the plates at 150-200°C is before welding.
3.Keep the arc as short as possible.
4.Take the back-step method at the arc starting to prevent blowholes.
分類：
AWS A5.5 E12018-G
EN EN757 E 79 5 Mn2NiMo B 3 2
焊接位置：
焊接金屬的典型化學成分 (wt%)
| C | 錳 | Si | P | S | 倪 | Mo | Cr | V |
| 0.06 | 1.40 | 0.40 | 0.025 | 0.003 | 2.0 | 0.4 | 0.7 | 0.008 |
焊接金屬的典型機械特性
| YP N/mm² | TS N/mm² | EL % | IV -50℃ J |
| 840 | 920 | 22 | 50 |
尺寸與建議電流範圍 (AC 或 DC+)
| 直徑 (mm) | 3.2 | 4.0 | 5.0 | |
| 長度 (mm) | 350 | 450 | 450 | |
| 安培數 | F | 120-150 | 160-200 | 180-240 |
| V&OH | 105-125 | 130-150 | – | |
| 每包重量（公斤） | 5 | 5 | 5 | |
| 每箱重量（公斤） | 20 | 20 | 20 | |
