ER310 符合:YB/T5092 H12Cr26Ni21Si
不锈钢焊丝 相当:AWS A5.9 ER310
ISO 14343-A-G 25 20
In accordance with:YB/T5092 H12Cr26Ni21Si
Be equivalent to:AWS A5.9 ER310
ISO 14343-A-G 25 20
说明:焊丝主要成分是25Cr-20Ni,是不锈钢MIG、TIG焊接材料,可全位置焊接。耐高温性能稳定,可达1200℃。焊接作业性极佳—送丝顺畅、电弧稳定、成形美观、飞溅极少;熔敷金属的机械性能稳定。
用途:常用于耐高温产品如高温炉、煤炭焦化设备等,也可应用于复合层堆焊和异种钢的焊接。
Instructions:The ER310 welding stick consists mainly of 25Cr-20Ni. It belongs to stainless steel MIG and TIG welding material and can be used to all-position welding. It has stable performance to resist high temperature up to 1200℃. It performs well while welding, with smooth wire feed, stable voltaic arc, beautiful formation and little splatter. The deposited metal has steady mechanical property.
Use:It’s usually used to weld heat resistance products, such as high temperature furnace and coal coke equipment. It can also be used to weld composite layer and dissimilar steel.
焊丝化学成分(%)
项目
|
C
|
Mn
|
Si
|
Cr
|
Ni
|
Mo
|
P
|
S
|
Cu
|
保证值
|
0.08~0.15
|
1.00~2.50
|
0.30~0.65
|
25.00~28.00
|
20.00~22.50
|
≤0.75
|
≤0.030
|
≤0.030
|
≤0.75
|
例值
|
0.087
|
2.00
|
0.38
|
27.42
|
21.82
|
0.35
|
0.011
|
0.009
|
0.35
|
参考电流(DC+)
焊丝直径(mm)
|
Φ0.8
|
Φ1.0
|
Φ1.2
|
Φ1.6
|
Φ2.0
|
Φ2.5
|
Φ3.2
|
焊接电流(A)
|
70~150
|
100~200
|
140~220
|
50~100
|
100~200
|
200~300
|
300~400
|
注意事项:
1. 保护气体:注意保护气体的纯度,混合气配比推荐Ar+1~3%O2。TIG采用纯Ar。
2. 气体流量:20~25L/min。
3. 干伸长度:15~25mm。
4. 将焊接部位的锈层、湿气、油污、灰尘等确实除净。
5. 室外焊接时,当风速大于1.5m/s应采取适当的防风措施,以防发生气孔。
6. 以上建议仅供参考,在具体操作中以现场情况为准。必要时先进行工艺评定再确定焊接方案。