OK 68.25是一款可用于焊接诸如13Cr4NiMo牌号铸件等抗腐蚀性马氏体及马氏体-铁素体热轧钢、锻制钢和铸钢的焊条。
Typical Tensile Properties
| PWHT 600°C 8h |
| Elongation | Tensile Strength | Yield Strength | 保护气体 | Stress Relieved Temperature | Stress Relieved Testing Time |
| 17 % | 900 MPa | 680 MPa | ISO | - | - |
| Stress relieved |
| Elongation | Tensile Strength | Yield Strength | 保护气体 | Stress Relieved Temperature | Stress Relieved Testing Time |
| - | - | - | AWS | 600 °C | 1 hr |
夏比V型缺口冲击性能| PWHT 600°C 8h |
| Impact Value | Testing Temperature | 保护气体 |
| 65 J | 20 °C | ISO |
| 60 J | 0 °C | ISO |
| 55 J | -20 °C | ISO |
焊缝金属分析| Mn |
| Mn | Mo | C | Si | Ni | Cr |
| 0.6 % | - | - | - | - | - |
| Mo |
| Mn | Mo | C | Si | Ni | Cr |
| - | 0.6 % | - | - | - | - |
| C |
| Mn | Mo | C | Si | Ni | Cr |
| - | - | 0.04 % | - | - | - |
| Si |
| Mn | Mo | C | Si | Ni | Cr |
| - | - | - | 0.4 % | - | - |
| Ni |
| Mn | Mo | C | Si | Ni | Cr |
| - | - | - | - | 4.5 % | - |
| Cr |
| Mn | Mo | C | Si | Ni | Cr |
| - | - | - | - | - | 12.2 % |
熔敷数据| Fusion time per electrode at 90% I max | kg weld metal/kg electrodes | Number of electrodes/kg weld metal | 安培 | 熔敷率 | 电压 V | 直径 |
| 63 sec | 0.64 kg | 35 | 90-150 A | 1.6 kg/h | 28 V | 3.2 x 450 mm |
| 73 sec | 0.66 kg | 22 | 110-190 A | 2.2 kg/h | 28 V | 4.0 x 450 mm |
| 86 sec | 0.67 kg | 14 | 140-250 A | 3.1 kg/h | 27 V | 5.0 x 450 mm |


