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 |