OK 67.75是一款碱性药皮不锈钢焊条,适合焊接24Cr13Ni牌号钢种,使用不锈钢堆焊低碳钢时的过渡层焊接,以及异种钢焊接和复合钢不锈钢一面的根部焊道 焊接。
Typical Tensile Properties
| As welded |
| 保护气体 | Elongation | Tensile Strength | Yield Strength |
| ISO | - | - | - |
| AWS | 35 % | 600 MPa | 470 MPa |
夏比V型缺口冲击性能| As welded |
| Testing Temperature | 保护气体 | Impact Value |
| 20 °C | ISO | - |
| -80 °C | ISO | - |
| 20 °C | AWS | 75 J |
| -50 °C | AWS | 64 J |
| -80 °C | AWS | 55 J |
焊缝金属分析| Mn |
| Mn | C | Si | Ferrite FN | Ni | N | Cr |
| 2.0 % | - | - | - | - | - | - |
| C |
| Mn | C | Si | Ferrite FN | Ni | N | Cr |
| - | 0.04 % | - | - | - | - | - |
| Si |
| Mn | C | Si | Ferrite FN | Ni | N | Cr |
| - | - | 0.3 % | - | - | - | - |
| Ferrite FN |
| Mn | C | Si | Ferrite FN | Ni | N | Cr |
| - | - | - | 11 % | - | - | - |
| Ni |
| Mn | C | Si | Ferrite FN | Ni | N | Cr |
| - | - | - | - | 12.9 % | - | - |
| Cr |
| Mn | C | Si | Ferrite FN | Ni | N | Cr |
| - | - | - | - | - | - | 23.5 % |
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 |
| 42 sec | 0.73 kg | 78 | 50-80 A | 1.1 kg/h | 22 V | 2.5 x 300 mm |
| 60 sec | 0.73 kg | 39 | 80-110 A | 1.5 kg/h | 24 V | 3.2 x 350 mm |
| 62 sec | 0.73 kg | 25 | 80-150 A | 2.3 kg/h | 26 V | 4.0 x 350 mm |
| 65 sec | 0.73 kg | 17 | 160-220 A | 3.4 kg/h | 27 V | 5.0 x 350 mm
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