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Electrodes for welding stainless steel BES-310Z
Product Description of BES-310Z Hand Electrode for Stainless Steel Welding (A407) Austenitic Type/High Temperature/Alkaline Type Compliant with: GB/T 983 E310-15 AWS A5.4 E310-15 A5.4M E310-15 EN ISO 3581-A: E(25 20)B 2 2 EN ISO 3581-B: ES310-15 Purpose Used for welding...
Description
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Product Description
BES-310Z
Hand Electrode for Stainless Steel Welding (A407)
Austenitic type / high temperature / alkaline type
Complies with:
GB/T 983 E310-15
AWS A5.4 E310-15
A5.4M E310-15
EN ISO 3581-A: E(25 20)B 2 2
EN ISO 3581-B: ES310-15
Purpose
It is used for welding heat-resistant products such as high-temperature furnaces, coal coking equipment, etc., and can also be used for welding dissimilar materials.
Characteristics
1.Handheld electrode for welding pure austenitic stainless steel with low hydrogen content, main composition: 25%Cr-20%Ni. It has stable performance at high temperatures and can be used in environments up to 1150℃;
2.Excellent welding characteristics, high fire resistance of the coating, good resistance to pore formation, stable mechanical properties of the deposited metal.
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 | 2.10 | 0.40 | 26.2 | 21.5 | 0.08 | 0.021 | 0.004 | 0.15 |
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 | - | 600 | 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 / welding in lower and horizontal position | 30-55 | 50-85 | 80-120 | 100-150 | 140-180 |
| Current, A / welding in vertical and ceiling position | 20-50 | 45-80 | 70-110 | 90-135 | - |
Welding position
Precautions
1.Use in accordance with the instructions for use of hand-held electrodes for stainless steel.
2.Preheating temperature and interlayer temperature should be kept below 150℃.
3. Since 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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