Instruction and Application: The Cr20Ni10Mn6 stainless steel with titanium calcium - type drug skin has good process performance, mechanical properties and excellent crack resistance. AC/DC, all-position welding. Welding of high strength steel, high manganese steel and foreign steel joints.
Typical Chemical Composition of the all-weld metal (％)
|
C |
Si |
Mn |
S |
P |
Cr |
Ni |
|
0.04 |
0.62 |
6.0 |
0.0041 |
0.021 |
19.23 |
9.23 |
Mechanical properties of all-weld metal
|
Temperature |
Tensile strength Rm(MPa) |
Elongation A(%) |
Bending Test (GB/T 2653) |
|
Room temperature |
670 |
36 |
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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