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Electrodes for welding stainless steel BES-310
Product Description of BES-310 Handheld Stainless Steel Welding Electrodes (A402) Austenitic Type/High Temperature Conforms to: GB/T 983 E310-16 AWS A5.4 E310-16 A5.4M E310-16 EN ISO 3581-A: E(25 20) R 1 2 EN ISO 3581-B: ES310-16 JIS Z3221 ES310-16 Purpose Used for...
Description
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Product Description
BES-310
Hand electrodes for welding stainless steel (A402)
Austenitic type / high temperature
Complies with:
GB/T 983 E310-16
AWS A5.4 E310-16
A5.4M E310-16
EN ISO 3581-A: E(25 20) R 1 2
EN ISO 3581-B: ES310-16
JIS Z3221 ES310-16
Purpose
It is used for products operating at high temperatures, such as high-temperature furnaces, coal coking equipment, etc., and is also suitable for welding dissimilar materials.
Characteristics
1.Hand-held electrode with titanium-calcium coating for welding stainless steel, main composition: 25%Cr-20%Ni;
2.Stable performance at high temperatures, operating temperature can reach 1150℃;
3. Stable arc, beautiful weld formation, 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 | 0.08-0.20 | 1.0-2.5 | 0.75 | 25.0-28.0 | 20.0-22.5 | 0.75 | 0.03 | 0.03 | 0.75 |
| AWS Standard | 0.08-0.20 | 1.0-2.5 | 0.75 | 25.0-28.0 | 20.0-22.5 | 0.75 | 0.03 | 0.03 | 0.75 |
| Actual value | 0.09 | 2.23 | 0.40 | 26.2 | 21.0 | 0.30 | 0.021 | 0.004 | 0.05 |
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 | - | 605 | 35 | - |
Recommended welding parameters: (DC+)
| 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 welding stainless steel.
2.Keep the preheating temperature and interlayer temperature below 150℃.
3.Because the weld structure is completely austenitic, the sensitivity to cracking is high, so the surface must be thoroughly cleaned before welding.
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