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Electrodes for welding stainless steel BES-309LMo
Product Description of BES-309LMo Handheld Electrode for Stainless Steel (A042) Austenitic Type/For Welding Dissimilar Steels Complies with: GB/T 983 E309LMo-16 AWS A5.4 E309LMo-16 A5.4M E309LMo-16 EN ISO 3581-A: No corresponding standard EN ISO 3581-B: ES309LMo-16 Purpose Application...
Description
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Product Description
BES-309LMo
Hand Electrode for Stainless Steel (A042)
Austenitic type / for welding dissimilar steels
Complies with:
GB/T 983 E309LMo-16
AWS A5.4 E309LMo-16
A5.4M E309LMo-16
EN ISO 3581-A: no corresponding standard
EN ISO 3581-B: ES309LMo-16
Purpose
Used for welding dissimilar steels of stainless steel, carbon steel or low alloy steel, for performing root pass welding of facing layer of stainless composite sheets, and for performing root pass welding when surfacing 316 series stainless steel on carbon or low alloy steel.
Characteristics
1.Hand-held electrode with titanium-calcium coating for welding stainless steel, the main composition is low-carbon 22%Cr-12%Ni-2%Mo;
2. The deposited metal contains an increased amount of ferrite, thanks to the addition of Mo it has improved resistance to cracking;
3. The electric arc is stable, the seam formation is beautiful, fine flakes, very little spatter, easy slag removal, excellent fire resistance of the coating, good resistance to pore formation.
Chemical composition
| Alloy wt% | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| GB/T standard | 0.04 | 0.5-2.5 | 1.00 | 22.0-25.0 | 12.0-14.0 | 2.0-3.0 | 0.04 | 0.03 | 0.75 |
| AWS Standard | 0.04 | 0.5-2.5 | 1.00 | 22.0-25.0 | 12.0-14.0 | 2.0-3.0 | 0.04 | 0.03 | 0.75 |
| Actual value | 0.026 | 1.12 | 0.76 | 22.6 | 13.5 | 2.4 | 0.03 | 0.008 | 0.19 |
Mechanical properties
| Mechanical properties | Yield strength MPa | Tensile strength MPa | Elongation % | Impact strength J/℃ |
| GB/T standard | - | 510 | 25 | - |
| AWS Standard | - | 520 | 30 | - |
| Actual value | - | 658 | 35 | - |
Recommended welding parameters: (DC+/AC)
| Electrode diameter/mm | 2.0×250 | 2.6×300 | 3.2×350 | 4.0×350 | 5.0×350 |
| Welding Current / Amp (lower/horizontal position) | 30-55 | 50-85 | 80-120 | 100-150 | 140-180 |
| Welding Current/Amp (Vertical/Ceiling Position) | 20-50 | 45-80 | 70-110 | 90-135 | - |
Welding position
Precautions
1. Follow the instructions for using hand electrodes for stainless steel.
2.Preheating temperature and interlayer temperature should be kept below 150℃.
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