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Electrodes for welding stainless steel BES-307HM
Product Description BES-307HM Handheld Electrode for Stainless Steel Fully Austenitic Type/For Non-Magnetic Steel Complies with: GB: No corresponding standard EN ISO 3581-B: No corresponding standard Purpose Applicable for welding structures requiring...
Description
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Product Description
BES-307HM
Hand electrode for stainless steel
Fully austenitic type / for non-magnetic steel
Complies with:
GB: no corresponding standard
EN ISO 3581-B: no corresponding standard
Purpose
Used for welding structures requiring non-magnetic properties, such as armored steel sheets, nuclear submarines and other products. Also suitable for welding dissimilar steels, difficult-to-weld materials that are prone to cracking.
Characteristics
1.Hand-held electrode for stainless steel with titanium-calcium coating, main composition: 18%Cr-8%Ni-4%Mn;
2. Stable arc, beautiful weld formation, fine flake structure, very little spatter, easy slag removal, excellent fire resistance of the coating and good resistance to pore formation;
3. Stable mechanical properties, high percentage of successful radiographic inspection.
Chemical composition
| Alloy, wt.% | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| EN ISO standard | 0.20 | 4.5-7.5 | 1.2 | 17-20 | 7-10 | 0.75 | 0.035 | 0.025 | 0.75 |
| AWS Standard | - | - | - | - | - | - | - | - | - |
| Typical value | 0.07 | 5.52 | 1.03 | 19.13 | 8.5 | 0.2 | 0.025 | 0.005 | 0.012 |
Mechanical properties
| Mechanical properties | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/℃ |
| EN ISO standard | 350 | 500 | 25 | - |
| AWS Standard | - | - | - | - |
| Typical value | - | 635 | 36 | - |
Recommended welding parameters
| Electrode diameter, mm | 2.0×250 | 2.6×300 | 3.2×350 | 4.0×350 | 5.0×350 |
| Current, A (lower/horizontal position) | 30-55 | 50-85 | 80-120 | 100-150 | 140-180 |
| Current, A (vertical/ceiling position) | 20-50 | 45-80 | 70-110 | 90-135 | - |
Welding position
Precautions
1.See instructions for using hand electrodes for stainless steel.
2.Preheating temperature and interlayer temperature should be kept below 150℃.
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