说明OK 68.55是一种适用于焊接诸如SAF 2507和Zeron 100等双相奥氏体-铁素体钢种的碱性药皮焊条。
Typical Tensile Properties
| As welded |
| Elongation | Tensile Strength | Yield Strength | 保护气体 |
| 28 % | 900 MPa | 700 MPa | ISO |
夏比V型缺口冲击性能| As welded |
| Impact Value | Testing Temperature | 保护气体 |
| 90 J | 20 °C | ISO |
| 70 J | -20 °C | ISO |
| 55 J | -40 °C | ISO |
| 45 J | -60 °C | ISO |
焊缝金属分析| Mn |
| Mn | Mo | C | Si | Ferrite FN | Ni | N | Cr |
| 0.9 % | - | - | - | - | - | - | - |
| Mo |
| Mn | Mo | C | Si | Ferrite FN | Ni | N | Cr |
| - | 4.3 % | - | - | - | - | - | - |
| C |
| Mn | Mo | C | Si | Ferrite FN | Ni | N | Cr |
| - | - | 0.03 % | - | - | - | - | - |
| Si |
| Mn | Mo | C | Si | Ferrite FN | Ni | N | Cr |
| - | - | - | 0.6 % | - | - | - | - |
| Ferrite FN |
| Mn | Mo | C | Si | Ferrite FN | Ni | N | Cr |
| - | - | - | - | 45 % | - | - | - |
| Ni |
| Mn | Mo | C | Si | Ferrite FN | Ni | N | Cr |
| - | - | - | - | - | 10.4 % | - | - |
| Cr |
| Mn | Mo | C | Si | Ferrite FN | Ni | N | Cr |
| - | - | - | - | - | - | - | 25.2 % |
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 |
| 48 sec | 0.62 kg | 93 | 50-80 A | 0.8 kg/h | 23 V | 2.5 x 300 mm |
| 68 sec | 0.63 kg | 46 | 60-100 A | 1.1 kg/h | 23 V | 3.2 x 350 mm |
| 70 sec | 0.62 kg | 32 | 100-140 A | 1.6 kg/h | 23 V | 4.0 x 350 mm |
