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Electrodes for welding stainless steel BES-307
Product Description of BES-307 Handheld Electrode for Stainless Steel (A172) Fully Austenitic Type/For Non-Magnetic Steel Conforms to: GB/T 983 E307-16 AWS A5.4 E307-16 A5.4M E307-16 EN ISO 3581-A: E (18 9 Mn Mo) R 1 2 EN ISO 3581-B: ES307-16 Purpose Suitable for welding in...
Description
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Product Description
BES-307
Hand Electrode for Stainless Steel (A172)
Fully austenitic type / for non-magnetic steel
Complies with:
GB/T 983 E307-16
AWS A5.4 E307-16
A5.4M E307-16
EN ISO 3581-A: E (18 9 Mn Mo) R 1 2
EN ISO 3581-B: ES307-16
Purpose
Suitable for welding in areas requiring non-magnetic properties, such as armored steel plates, nuclear submarines and other structures. Also used for welding dissimilar steels that are prone to cracking and materials that are difficult to weld.
Characteristics
1.Hand-held electrode for stainless steel with titanium-calcium coating, main composition: 18%Cr-8%Ni-4%Mn;
2. Stable arc, beautiful weld formation, fine flakes, extremely low spatter, easy slag removal, excellent fire resistance of the coating and good resistance to pore formation;
3. Stable mechanical properties of the deposited metal, high percentage of successful X-ray inspection.
Chemical composition
| Alloy, wt.% | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| GB/T standard | 0.04-0.14 | 3.30-4.75 | 1.00 | 18.0-21.5 | 9.0-10.7 | 0.5-1.5 | 0.04 | 0.03 | 0.75 |
| AWS standard | 0.04-0.14 | 3.30-4.75 | 1.00 | 18.0-21.5 | 9.0-10.7 | 0.5-1.5 | 0.04 | 0.03 | 0.75 |
| Typical value | 0.072 | 3.64 | 0.63 | 19.5 | 9.8 | 0.7 | 0.027 | 0.003 | 0.01 |
Mechanical properties
| Mechanical properties | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/℃ |
| GB/T standard | - | 590 | 25 | - |
| AWS standard | - | 590 | 30 | - |
| Typical value | - | 612 | 36 | - |
Recommended welding parameters: (DC+/AC)
| 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 general instructions for using hand electrodes for stainless steel.
2.Preheating temperature and interlayer temperature should be kept below 150℃.
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