“OK 74.78伊萨焊材.药皮手工焊条”参数说明
是否有现货: | 是 | 认证: | 瑞典伊萨 |
种类: | Cu | 焊芯分类: | 堆焊 |
性能: | 耐磨焊条 | 品牌: | 瑞典伊萨 |
材质: | 铸铁 | 药皮性质: | 碱性焊条 |
焊芯直径: | 2.0-4.0 | 直径: | 2.0-5.0 |
长度: | 300-450 | 焊接电流: | 60-220 |
工作温度: | 60-200 | 型号: | OK 74.78 |
规格: | 2.0-5.0 | 商标: | 瑞典伊萨 |
包装: | 20 | 产量: | 5000 |
“OK 74.78伊萨焊材.药皮手工焊条”详细介绍
OK 74.78是一款适合焊接低温应用所用高强度钢的LMA焊条。其在温度低至-40°C条件下具有优良的缺口韧性。非常适合用于要求硬度达到约250 HV的强制成形焊接和轨道堆焊。OK 74.78极低的药皮含水量非常适合无法进行预热的应用。
Typical Tensile Properties
As welded | |||||
Elongation | Tensile Strength | Yield Strength | 保护气体 | Stress Relieved Temperature | Stress Relieved Testing Time |
24 % | 650 MPa | 600 MPa | ISO | - | - |
Stress relieved | |||||
Elongation | Tensile Strength | Yield Strength | 保护气体 | Stress Relieved Temperature | Stress Relieved Testing Time |
- | - | - | AWS | 620 °C | 1 hr |
夏比V型缺口冲击性能
As welded | ||||
Impact Value | Testing Temperature | 保护气体 | Stress Relieved Testing Temp | Stress Relieved Testing Time |
90 J | -40 °C | ISO | - | - |
70 J | -50 °C | ISO | - | - |
Stress relieved | ||||
Impact Value | Testing Temperature | 保护气体 | Stress Relieved Testing Temp | Stress Relieved Testing Time |
- | -50 °C | AWS | 620 °C | 1 hr |
焊缝金属分析
Mn | |||||
Mn | Mo | C | Si | Ni | Cr |
1.60 % | - | - | - | - | - |
Mo | |||||
Mn | Mo | C | Si | Ni | Cr |
- | 0.35 % | - | - | - | - |
C | |||||
Mn | Mo | C | Si | Ni | Cr |
- | - | 0.05 % | - | - | - |
Si | |||||
Mn | Mo | C | Si | Ni | Cr |
- | - | - | 0.35 % | - | - |
Ni | |||||
Mn | Mo | C | Si | Ni | Cr |
- | - | - | - | 0.03 % | - |
Cr | |||||
Mn | Mo | C | Si | Ni | Cr |
- | - | - | - | - | 0.03 % |
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 |
55 sec | 0.62 kg | 73.0 | 75-100 A | 0.90 kg/h | 22 V | 2.5 x 350 mm |
86 sec | 0.65 kg | 32.0 | 105-140 A | 1.30 kg/h | 23 V | 3.2 x 450 mm |
97 sec | 0.65 kg | 20.5 | 140-190 A | 1.80 kg/h | 23 V | 4.0 x 450 mm |
100 sec | 0.68 kg | 14.0 | 190-260 A | 2.60 kg/h | 24 V | 5.0 x 450 mm |
103 sec | 0.69 kg | 10 | 240-340 A | 3.6 kg/h | 24 V | 6.0 x 450 mm |