Instruction and Application: Titanate type drug skin 022Cr22Ni5Mo3N duplex stainless steel welding rod, good welding performance, deslagging good, little splash, both for the comprehensive performance of austenite stainless steel and ferritic stainless steel stress corrosion resistance properties. Alternating current and dc. Applied in petrochemical, pressure vessel, nuclear power industry, etc.
Typical Chemical Composition of the all-weld metal (％)
|
C |
Si |
Mn |
S |
P |
Cr |
Ni |
Mo |
N |
|
0.020 |
0.72 |
1.20 |
0.005 |
0.017 |
22.26 |
9.10 |
3.10 |
0.15 |
Mechanical properties of all-weld metal
|
Temperature |
Tensile strength Rm(MPa) |
Elongation A(%) |
Bending Test (GB/T 2653) |
|
Room temperature |
800 |
27 |
No Cracks |
All-welded metal radio graphic testing:
According to NB/T 47013.2, 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 Current(DC+):
|
Electrodes Sizeφ（mm) |
Φ2.5 |
Φ3.2 |
Φ4.0 |
Φ5.0 |
|
Amperage (A) |
60-90 |
90-120 |
120-160 |
170-210 |
Notice:
1.The electrode with titanium-calcium coating must be stoved at 200-300℃ for 1 hours prior to use.
2.The welding consumables surface rust, oil fouling and other impurities must be cleaned up.
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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