OK 92.55是一种全位置碱性药皮焊条,可熔敷含有Mo, W和Nb成分的NiCr基合金。该焊条非常适合温度低至-196°C条件下低温应用中的9%Ni钢焊接。
Typical Tensile Properties
| As welded | |||
| Elongation | Tensile Strength | Yield Strength | 保护气体 |
| 40 % | 727 MPa | 445 MPa | ISO |
| - | - | - | AWS |
夏比V型缺口冲击性能
| As welded | ||
| Impact Value | Testing Temperature | 保护气体 |
| 91 J | -196 °C | ISO |
| - | -196 °C | AWS |
焊缝金属分析
| Mn | ||||||||
| Mn | Mo | C | Nb | Si | W | Ni | Cr | Fe |
| 3.0 % | - | - | - | - | - | - | - | - |
| Mo | ||||||||
| Mn | Mo | C | Nb | Si | W | Ni | Cr | Fe |
| - | 6.2 % | - | - | - | - | - | - | - |
| C | ||||||||
| Mn | Mo | C | Nb | Si | W | Ni | Cr | Fe |
| - | - | 0.05 % | - | - | - | - | - | - |
| Nb | ||||||||
| Mn | Mo | C | Nb | Si | W | Ni | Cr | Fe |
| - | - | - | 1.3 % | - | - | - | - | - |
| Si | ||||||||
| Mn | Mo | C | Nb | Si | W | Ni | Cr | Fe |
| - | - | - | - | 0.3 % | - | - | - | - |
| W | ||||||||
| Mn | Mo | C | Nb | Si | W | Ni | Cr | Fe |
| - | - | - | - | - | 1.6 % | - | - | - |
| Ni | ||||||||
| Mn | Mo | C | Nb | Si | W | Ni | Cr | Fe |
| - | - | - | - | - | - | 69.4 % | - | - |
| Cr | ||||||||
| Mn | Mo | C | Nb | Si | W | Ni | Cr | Fe |
| - | - | - | - | - | - | - | 12.9 % | - |
| Fe | ||||||||
| Mn | Mo | C | Nb | Si | W | Ni | Cr | Fe |
| - | - | - | - | - | - | - | - | 5.0 % |
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 |
| 70 sec | 0.70 kg | 55 | 65-115 A | 1.1 kg/h | 23 V | 2.5 x 350 mm |
| 68 sec | 0.66 kg | 34 | 70-150 A | 1.5 kg/h | 22 V | 3.2 x 350 mm |
| 82 sec | 0.67 kg | 23 | 120-200 A | 1.9 kg/h | 22 V | 4.0 x 350 mm |
| 91 sec | 0.68 kg | 14 | 150-240 A | 2.8 kg/h | 23 V | 5.0 x 350 mm |
