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Electrodes for welding stainless steel BES-310Nb
Product Description of BES-310Nb Hand Electrode for Stainless Steel Welding Austenitic Type Complies with: GB/T 983 E310Nb-16 AWS A5.4 E310Nb-16 A5.4M E310Nb-16 EN ISO 3581-A: No corresponding standard EN ISO 3581-B: ES310Nb-16 Purpose 1.Widely used for welding heat-resistant...
Description
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Product Description
BES-310Nb
Hand electrode for welding stainless steel
Austenitic type
Complies with:
GB/T 983 E310Nb-16
AWS A5.4 E310Nb-16
A5.4M E310Nb-16
EN ISO 3581-A: no corresponding standard
EN ISO 3581-B: ES310Nb-16
Purpose
1. Widely used for welding heat-resistant products such as high-temperature furnaces, coal coking equipment, etc.;
2.Also can be used for welding dissimilar materials.
Characteristics
1.Hand-held electrode for welding titanium-calcium type stainless steel, main composition: 25%Cr-20%Ni-Nb. The addition of Nb improves corrosion resistance and strength at high temperatures;
2. Stable arc, beautiful weld formation, fine flake, minimal spatter, easy slag removal, excellent coating fire resistance and good pore resistance.
Chemical composition
| Alloy, wt.% | C | Mn | Si | Cr | Ni | Mo | P | S | Cu | Nb+Ta |
| GB/T standard | 0.12 | 1.0-2.5 | 0.75 | 25.0-28.0 | 20.0-22.0 | 0.75 | 0.03 | 0.03 | 0.75 | 0.70-1.00 |
| AWS Standard | 0.12 | 1.0-2.5 | 0.75 | 25.0-28.0 | 20.0-22.0 | 0.75 | 0.03 | 0.03 | 0.75 | 0.70-1.00 |
| Actual value | 0.102 | 1.96 | 0.40 | 26.2 | 21.0 | 0.04 | 0.021 | 0.005 | 0.11 | 0.75 |
Mechanical properties
| Mechanical properties | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/℃ |
| GB/T standard | - | 550 | 23 | - |
| AWS Standard | - | 550 | 25 | - |
| Actual value | - | 610 | 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℃.
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