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Electrodes for welding stainless steel BES-309H
Product Description of BES-309H Manual Stainless Steel Welding Electrode Austenitic Type / Dissimilar Steel Welding / High Carbon Type Complies with Standards: GB/T 983 E309H-16 AWS A5.4 E309H-16 A5.4M E309H-16 EN ISO 3581-A: No corresponding standard EN ISO 3581-B: corresponding...
Description
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Product Description
BES-309H
Hand electrode for welding stainless steel
Austenitic type / for welding dissimilar steels / high carbon type
Complies with standards:
GB/T 983 E309H-16
AWS A5.4 E309H-16
A5.4M E309H-16
EN ISO 3581-A: no corresponding standard
EN ISO 3581-B: no corresponding standard
Purpose
1.Applicable for welding dissimilar materials;
2.Can be used in petrochemical industry, thermal power plants and other industries.
Characteristics
1. Titanium-calcium coated hand electrode for welding stainless steel, main composition: high carbon type - 22%Cr-12%Ni;
2. Stable arc, beautiful weld formation, fine flake, minimal 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 | 0.04-0.08 | 0.5-2.5 | 1.00 | 22.0-25.0 | 12.0-14.0 | 0.75 | 0.04 | 0.03 | 0.75 |
| AWS Standard | 0.04-0.15 | 0.5-2.5 | 1.00 | 22.0-25.0 | 12.0-14.0 | 0.75 | 0.04 | 0.03 | 0.75 |
| Actual value | 0.066 | 2.32 | 0.76 | 24.6 | 12.5 | 0.40 | 0.020 | 0.008 | 0.12 |
Mechanical properties
| Mechanical properties | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/℃ |
| GB/T standard | - | 550 | 25 | - |
| AWS Standard | - | 550 | 30 | - |
| Actual value | - | 664 | 33 | - |
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, A (lower/horizontal position) | 30-55 | 50-85 | 80-120 | 100-150 | 140-180 |
| Welding current, A (vertical/ceiling position) | 20-50 | 45-80 | 70-110 | 90-135 | - |
Welding position
Precautions
1.See instructions for using hand electrodes for welding stainless steel.
2.Preheating temperature and interpass temperature should be kept below 150℃.
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