OK 75.75是一款已烘干至极低水分含量的LMA焊条,适合用于室温条件下或经过适度预热的高强度、低合金钢焊接。
Typical Tensile Properties
As welded |
Elongation | Tensile Strength | Yield Strength | 保护气体 |
20 % | 830 MPa | 780 MPa | ISO |
- | - | - | AWS |
夏比V型缺口冲击性能
As welded |
Impact Value | Testing Temperature | 保护气体 |
60 J | -40 °C | ISO |
焊缝金属分析
Mn |
Mn | Mo | C | Si | Ni | Cr |
1.61 % | - | - | - | - | - |
Mo |
Mn | Mo | C | Si | Ni | Cr |
- | 0.4 % | - | - | - | - |
C |
Mn | Mo | C | Si | Ni | Cr |
- | - | 0.05 % | - | - | - |
Si |
Mn | Mo | C | Si | Ni | Cr |
- | - | - | 0.36 % | - | - |
Ni |
Mn | Mo | C | Si | Ni | Cr |
- | - | - | - | 2.4 % | - |
Cr |
Mn | Mo | C | Si | Ni | Cr |
- | - | - | - | - | 0.4 % |
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 |
54 sec | 0.67 kg | 66.0 | 70-110 A | 1.00 kg/h | 22 V | 2.5 x 350 mm |
80 sec | 0.67 kg | 31.5 | 100-150 A | 1.40 kg/h | 23 V | 3.2 x 450 mm |
92 sec | 0.65 kg | 21.0 | 135-200 A | 1.90 kg/h | 24 V | 4.0 x 450 mm |
105 sec | 0.63 kg | 12.0 | 180-260 A | 2.50 kg/h | 25 V | 5.0 x 450 mm |