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Electrodes for welding stainless steel BES-308H
Product Description of BES-308H Hand Electrode for Stainless Steel Austenitic Type/High Carbon Type Complies with: GB/T 983 E308H-16 AWS A5.4 E308H-16 A5.4M E308H-16 EN ISO 3581-A: E (19 9H) R 1 2 EN ISO 3581-B: ES308H-16 Purpose Used in the petrochemical industry,...
Description
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Product Description
BES-308H
Hand electrode for stainless steel
Austenitic type/High carbon type
Complies with:
GB/T 983 E308H-16
AWS A5.4 E308H-16
A5.4M E308H-16
EN ISO 3581-A: E (19 9H) R 1 2
EN ISO 3581-B: ES308H-16
Purpose
Applicable to petrochemical industry, pressure vessel industry, food processing equipment, medical equipment, fertilizer and other industries for welding 18%Cr-8%Ni stainless steel (SUS304, etc.).
Characteristics
1.Hand-held stainless steel electrode with titanium-calcium coating, the strength is higher than 308 electrode, main composition: high carbon C-18%Cr-9%Ni;
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 |
| GB/T standard | 0.04-0.08 | 0.5-2.5 | 1.00 | 18.0-21.0 | 9.0-11.0 | 0.75 | 0.04 | 0.03 | 0.75 |
| AWS Standard | 0.04-0.08 | 0.5-2.5 | 1.00 | 18.0-21.0 | 9.0-11.0 | 0.75 | 0.04 | 0.03 | 0.75 |
| Typical value | 0.06 | 1.35 | 0.69 | 20.2 | 9.3 | 0.06 | 0.028 | 0.004 | 0.12 |
Mechanical properties
| Mechanical properties | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/℃ |
| GB/T standard | - | 550 | 30 | - |
| AWS Standard | - | 550 | 30 | - |
| Typical value | - | 625 | 40 | - |
Recommended welding parameters: (DC+/AC)
| 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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