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Electrodes for welding stainless steel BES-318
Product Description BES-318 Manual Arc Welding Electrode for Stainless Steels (A212) Austenitic Type / For Corrosion Resistant Applications Complies with: GB/T 983 E318-16 AWS A5.4 E318-16 A5.4M E318-16 EN ISO 3581-A: E (19 123Nb) R32 EN ISO 3581-B: ES318-16 Purpose Used for...
Description
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Product Description
BES-318
Electrode for manual arc welding of stainless steels (A212)
Austenitic type / for corrosion resistant applications
Complies with:
GB/T 983 E318-16
AWS A5.4 E318-16
A5.4M E318-16
EN ISO 3581-A: E (19 123Nb) R32
EN ISO 3581-B: ES318-16
Purpose
Used for welding equipment for the production, storage and transportation of sulfuric and nitric acids, for example steels 316Ti, SUS316Nb, etc.
Characteristics
1.Electrode for manual arc welding of stainless steels with titanium-calcium coating, main composition: 18%Cr-12%Ni-2%Mo-Nb;
2.The addition of Nb based on 316 steel can effectively improve the corrosion resistance, especially the intergranular corrosion resistance;
3. Stable arc, beautiful weld formation, fine and uniform flakes, minimal spattering, easy slag separation, excellent fire resistance of the coating, good resistance to pore formation; the mechanical properties of the deposited metal are stable.
Chemical composition
| Alloy, wt.% | C | Mn | Si | Cr | Ni | Mo | P | S | Others |
| GB/T standard | 0.08 | 0.5-2.5 | 1.00 | 18.0-20.0 | 12.0-14.0 | 2.0-3.0 | 0.04 | 0.03 | Cu≤0.75/Nb: 6C-1.0 |
| AWS Standard | 0.08 | 0.5-2.5 | 1.00 | 18.0-20.0 | 12.0-14.0 | 2.0-3.0 | 0.04 | 0.03 | Cu≤0.75/Nb: 6C-1.0 |
| Typical value | 0.040 | 1.66 | 0.70 | 18.5 | 11.6 | 2.5 | 0.026 | 0.003 | Cu 0.17 / Nb 0.42 |
Mechanical properties
| Mechanical properties | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/℃ |
| GB/T standard | — | 550 | 20 | — |
| AWS Standard | — | 550 | 25 | — |
| Typical value | — | 635 | 36 | — |
Recommended welding parameters: (DC+/AC)
| 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. Follow the instructions for using electrodes for manual arc welding of stainless steels.
2.Preheating temperature and interlayer temperature should be kept below 150℃.
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