Instruction and Application: 347 (06Cr18Ni11Nb) type stainless steel wire electrode embedded welding wire and flux, metal impurity low elements C, S, P, etc. Mechanical property and corrosion resistance good.The welding process has good performance, easy to remove slag and low alloy.It is suitable for the surface surfacing of carbon steel or low alloy steel or the stainless steel corrosion resistant layer.The transition layer uses wire H309SL.
Typical Chemical Composition of the wire (％)
|
|
|
C |
Si |
Mn |
S |
P |
Cr |
Ni |
Nb |
|
Transition layer wire H309SL |
Cases of value |
0.010 |
0.080 |
1.88 |
0.003 |
0.012 |
23.57 |
13.15 |
- |
|
Transition layer wire H347SL |
Cases of value |
0.016 |
0.12 |
1.86 |
0.003 |
0.013 |
19.78 |
9.69 |
0.56 |
|
Corrosion layer of all-welded metal |
Cases of value |
0.028 |
0.27 |
1.36 |
0.007 |
0.018 |
19.21 |
9.41 |
0.51 |
All-weld metal properties
|
Test Item |
Temperature |
Lateral bending test (D=4a,180°) |
Intergranular corrosion (GB/T4334.5) |
|
Standard value |
Room temperature |
-- |
-- |
|
Cases of value |
Room temperature |
No Cracks |
No Tendency |
Physical and chemical analysis of the flux (％)
|
|
Mechanical inclusion |
S |
P |
|
SJ667 |
0.14 |
0.019 |
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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