Customization: | Available |
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Type: | Welding Wire |
Material: | Low Alloy Steel |
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Stainless Steel Solid Wire (MIG)
SH.MG309
Implementation standard :
ASME SFA-5.9ER309
Description :
SH·MG309 is 24Cr-13Ni stainless steel solid MIG welding wire. Excellent welding process, beautiful weld forming, less splash, weld metal contains appropriate amount of ferrite, good crack resistance, excellent corrosion resistance. Due to the high content of alloy composition, good high temperature resistance.
Use:
Used for welding of carbon steel and stainless steel dissimilar materials or for welding of martensite and pearlite steel with poor toughness. Applications such as petrochemical, thermal power plants and other industries.
Note:
1. Pay attention to the purity of the protective gas, the mixture ratio is recommended to be 98%Ar+2%O2.
2. Gas flow :20-25L/min.
3. Dry extension length :15-25mm.
4. The rust layer, moisture, oil, dust and so on on the welding part are really removed.
5. Outdoor welding, when the wind speed is greater than 1.5m/s should take windproof measures, there must be appropriate windproof facilities to prevent porosity.
Chemical composition of deposited metal :(%)
chemical elements |
C | Mn | S | P | Si | Cr | Ni | Mo | Cu |
standard values |
≤0.12 | 1.0-2.5 | ≤0.020 | ≤0.025 | ≤0.65 | 23.0-25.0 | 12.0-14.0 | ≤0.75 | ≤0.75 |
instantiate | 0.03 | 1.84 | 0.011 | 0.019 | 0.42 | 23.45 | 13.21 | 0.03 | 0.09 |
test item | Tensile strength (MPa) | Elongation(%) |
instantiate | 590 | 37 |
Electrode diameter(mm) | 0.8 | 1.0 | 1.2 |
welding current(A) | 70-150 | 100-200 | 140-220 |
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