OK 55.00是一款可靠的高品质LMA焊条,非常适用于焊接高强度低合金钢。值得一提的是焊缝金属具有优良的低温冲击强度。焊缝金属还具有***的抗热裂纹性能。该焊条还适用于焊接A, D和E级高强度船用钢。
Typical Tensile Properties
As welded | |||
Elongation | Tensile Strength | Yield Strength | 保护气体 |
28 % | 590 MPa | 500 MPa | ISO |
- | - | - | AWS |
夏比V型缺口冲击性能
As welded | ||
Impact Value | Testing Temperature | 保护气体 |
105 J | -45 °C | ISO |
100 J | -50 °C | ISO |
- | -45 °C | AWS |
焊缝金属分析
Mn | ||
Mn | C | Si |
1.5 % | - | - |
C | ||
Mn | C | Si |
- | 0.06 % | - |
Si | ||
Mn | C | Si |
- | - | 0.5 % |
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 |
64 sec | 0.64 kg | 66 | 80-110 A | 0.9 kg/h | 23 V | 2.5 x 350 mm |
72 sec | 0.62 kg | 41 | 110-140 A | 1.2 kg/h | 23 V | 3.2 x 350 mm |
88 sec | 0.69 kg | 30 | 110-140 A | 1.4 kg/h | 24 V | 3.2 x 450 mm |
72.5 sec | 0.62 kg | 28 | 140-200 A | 1.77 kg/h | 23.2 V | 4.0 x 350 mm |
94 sec | 0.71 kg | 19 | 140-200 A | 2.0 kg/h | 24 V | 4.0 x 450 mm |
94 sec | 0.72 kg | 13 | 200-270 A | 3.0 kg/h | 24 V | 5.0 x 450 mm |
98 sec | 0.72 kg | 9 | 215-360 A | 4.0 kg/h | 25 V | 6.0 x 450 mm |