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Electrodes for welding stainless steel BES-308Z
Product Description of BES-308Z Stainless Steel Manual Welding Electrode (A107) Austenitic Type/Basic Coating Type Meets Standards: GB/T 983 E308-15 AWS A5.4 E308-15 A5.4M E308-15 EN ISO 3581-A: E(19 9)B 2 2 EN ISO 3581-B: ES308-15 Purpose Widely used for important...
Description
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Product Description
BES-308Z
Hand Electrode for Stainless Steel Welding (A107)
Austenitic type/basic coating type
Complies with standards:
GB/T 983 E308-15
AWS A5.4 E308-15
A5.4M E308-15
EN ISO 3581-A: E(19 9)B 2 2
EN ISO 3581-B: ES308-15
Purpose
Widely used for critical structural connections in the petrochemical industry, LNG equipment, pressure vessels and other critical applications.
Characteristics
1.Hand-held electrode with basic coating for welding stainless steel, main composition: 18%Cr-8%Ni;
2. Excellent welding and technological properties, high resistance to the formation of cracks and pores, stable mechanical properties of the deposited metal, a high percentage of acceptable results during radiographic testing.
Chemical composition
| Alloy, wt.% | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| GB/T standard | 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 | 0.08 | 0.5-2.5 | 1.00 | 18.0-21.0 | 9.0-11.0 | 0.75 | 0.04 | 0.03 | 0.75 |
| Actual value | 0.039 | 1.38 | 0.65 | 19.8 | 9.4 | 0.04 | 0.028 | 0.004 | 0.10 |
Mechanical properties
| Mechanical properties | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/℃ |
| GB/T standard | - | 550 | 30 | - |
| AWS Standard | - | 550 | 35 | - |
| Actual value | - | 605 | 43 | - |
Recommended welding parameters: (DC+)
| 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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