品牌:瑞典伊萨
直径:2.0-5.0
产地:瑞典
长度:350-450
起订:5公斤
供应:5000公斤
发货:1天内
OK 76.28是一款适用于焊接含约2.25Cr-1Mo抗蠕变钢的LMA焊条。该焊条可产生稳定的电弧，飞溅损失极少。OK 76.28可熔敷具有优异抗裂纹性能的焊缝金属。焊缝金属的结垢温度约为625°C。
Typical Tensile Properties
| PWHT 690°C 1h | |||
| Elongation | Tensile Strength | Yield Strength | 保护气体 |
| 21 % | 720 MPa | 630 MPa | ISO |
| - | - | - | AWS |
夏比V型缺口冲击性能
| PWHT 690°C 1h | ||
| Impact Value | Testing Temperature | 保护气体 |
| 130 J | 20 °C | ISO |
焊缝金属分析
| Mn | ||||
| Mn | Mo | C | Si | Cr |
| 0.7 % | - | - | - | - |
| Mo | ||||
| Mn | Mo | C | Si | Cr |
| - | 1.1 % | - | - | - |
| C | ||||
| Mn | Mo | C | Si | Cr |
| - | - | 0.06 % | - | - |
| Si | ||||
| Mn | Mo | C | Si | Cr |
| - | - | - | 0.3 % | - |
| Cr | ||||
| Mn | Mo | C | Si | Cr |
| - | - | - | - | 2.2 % |
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 |
| 40 sec | 0.58 kg | 136.0 | 55-80 A | 0.7 kg/h | 23 V | 2.0 x 300 mm |
| 52 sec | 0.58 kg | 88.0 | 70-110 A | 0.8 kg/h | 25 V | 2.5 x 300 mm |
| 62 sec | 0.59 kg | 49.0 | 95-150 A | 1.2 kg/h | 26 V | 3.2 x 350 mm |
| 88 sec | 0.64 kg | 23.0 | 130-190 A | 1.8 kg/h | 28 V | 4.0 x 450 mm |
| 92 sec | 0.64 kg | 14.5 | 150-260 A | 2.7 kg/h | 29 V | 5.0 x 450 mm |
| 90 sec | 0.64 kg | 10.5 | 200-350 A | 3.9 kg/h | 30 V | 6.0 x 450 mm |
