Instruction and Application: The 309S (06Cr23Ni13) type stainless steel wire is covered with welding wire and flux, and the metal impurity elements C, S and P are low and mechanical properties are good.The welding agent has good performance, easy removal of slag, flux transition Cr, Ni and other alloy elements.It is suitable for surface surfacing of carbon steel or low alloy steel or welding stainless steel transition layer.
Typical Chemical Composition of the wire (％)
|
C |
Si |
Mn |
S |
P |
Cr |
Ni |
|
0.010 |
0.080 |
1.88 |
0.003 |
0.012 |
23.57 |
13.15 |
Physical and chemical analysis of the flux (％)
|
|
Mechanical inclusion |
S |
P |
|
SJ661 |
0.13 |
0.017 |
0.021 |
All-welded metal radio-graphic testing:
According to NB / T 47103.2, The radio-graphic testing should not be less than class AB and the quality grade of all-welded metal should not be less than Class I at least.
Reference range (DC﹢)
|
Sizeφ（mm) |
Amperage (A) |
Volt (V) |
Speed (mm/min) |
|
φ3.2 |
400-450 |
28-32 |
520-580 |
|
Φ4.0 |
450-500 |
28-32 |
520-580 |
Notice:
1.Redry the flux at 300℃-350℃ for 1hours.
2.The welding consumables surface rust, oil and other impurities to be clean.
3.The welding slag must be cleaned up in the multi-pass welding. The inter-pass temperature should be controlled below 150℃.
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