适用于焊接18% Cr-8% Ni牌号奥氏体铬镍合金的实芯抗腐蚀铬镍合金焊丝。 OK Autrod 347Si具有良好的普通抗腐蚀性。该合金经过铌稳定化处理，可改善焊缝金属的抗晶间腐蚀性能。较高的硅含量改善了诸如熔湿性之类的焊接性能。由于含有铌，该合金可推荐用于温度较高的应用。Typical Tensile Properties
| As welded |
| Elongation | Tensile Strength | Yield Strength | 保护气体 |
| 37 % | 640 MPa | 440 MPa | - |
| 26 % | 460 MPa | 340 MPa | Tested at 400?C. |
夏比V型缺口冲击性能
| As welded |
| Impact Value | Testing Temperature |
| 110 J | 20 ?C |
| 80 J | -60 ?C |
焊缝金属分析
| Mn |
| Mn | Mo | Cu | C | Nb | Si | Ferrite FN | Ni | Cr |
| 1.7 % | - | - | - | - | - | - | - | - |
| Mo |
| Mn | Mo | Cu | C | Nb | Si | Ferrite FN | Ni | Cr |
| - | 0.1 % | - | - | - | - | - | - | - |
| Cu |
| Mn | Mo | Cu | C | Nb | Si | Ferrite FN | Ni | Cr |
| - | - | 0.10 % | - | - | - | - | - | - |
| C |
| Mn | Mo | Cu | C | Nb | Si | Ferrite FN | Ni | Cr |
| - | - | - | 0.04 % | - | - | - | - | - |
| Nb |
| Mn | Mo | Cu | C | Nb | Si | Ferrite FN | Ni | Cr |
| - | - | - | - | 0.60 % | - | - | - | - |
| Si |
| Mn | Mo | Cu | C | Nb | Si | Ferrite FN | Ni | Cr |
| - | - | - | - | - | 0.7 % | - | - | - |
| Ferrite FN |
| Mn | Mo | Cu | C | Nb | Si | Ferrite FN | Ni | Cr |
| - | - | - | - | - | - | 7 % | - | - |
| Ni |
| Mn | Mo | Cu | C | Nb | Si | Ferrite FN | Ni | Cr |
| - | - | - | - | - | - | - | 9.8 % | - |
| Cr |
| Mn | Mo | Cu | C | Nb | Si | Ferrite FN | Ni | Cr |
| - | - | - | - | - | - | - | - | 19 % |
熔敷数据
| 安培 | 熔敷率 | 电压 V | 直径 | 送丝速度 |
| 55-160 A | 1.0-4.1 kg/h | 15-24 V | 0.8 mm | 4.0-17.0 m/min |
| 80-240 A | 1.5-6.0 kg/h | 15-28 V | 1.0 mm | 3.5-18.0 m/min |
| 100-300 A | 1.6-7.5 kg/h | 15-29 V | 1.2 mm | 3.0-14.0 m/min |
| 230-375 A | 5.2-8.6 kg/h | 23-31 V | 1.6 mm | 5.5-9.0 m/min |
