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Electrodes for welding stainless steel BES-309
Product Description of BES-309 Hand Electrode for Stainless Steel Welding (A302) Austenitic Type/Dissimilar Steel Welding Complies with Standards: GB/T 983 E309-16 AWS A5.4 E309-16 A5.4M E309-16 EN ISO 3581-A: E(2212)R1 2 EN ISO 3581-B: ES309-16 JIS Z3221 ES309-16 Purpose Application...
Description
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Product Description
BES-309
Hand Electrode for Stainless Steel Welding (A302)
Austenitic type / for welding dissimilar steels
Complies with standards:
GB/T 983 E309-16
AWS A5.4 E309-16
A5.4M E309-16
EN ISO 3581-A: E(2212)R1 2
EN ISO 3581-B: ES309-16
JIS Z3221 ES309-16
Purpose
Used for welding dissimilar joints of stainless steel to carbon or low-alloy steel, to provide a root layer when welding the facing layer of stainless steel on composite sheets, and also to apply a root layer when surfacing 308 series stainless steel to carbon or low-alloy steels.
Characteristics
1. Titanium-calcium coated hand electrode for welding stainless steel, main composition: 22%Cr-12%Ni;
2. The deposited metal contains a large amount of ferrite and has low sensitivity to cracking.
Chemical composition
| Alloy, wt.% | C | Mn | Si | Cr | Ni | Mo | P | S | Cu |
| GB/T standard | 0.15 | 0.5-2.5 | 1.00 | 22.0-25.0 | 12.0-14.0 | 0.75 | 0.04 | 0.03 | 0.75 |
| AWS Standard | 0.15 | 0.5-2.5 | 1.00 | 22.0-25.0 | 12.0-14.0 | 0.75 | 0.04 | 0.03 | 0.75 |
| Actual value | 0.046 | 2.10 | 0.77 | 24.5 | 12.7 | 0.38 | 0.028 | 0.003 | 0.13 |
Mechanical properties
| Mechanical properties | Yield strength, MPa | Tensile strength, MPa | Elongation, % | Impact strength, J/℃ |
| GB/T standard | - | 550 | 30 | - |
| AWS Standard | - | 550 | 30 | - |
| Actual value | - | 632 | 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.See instructions for using hand electrodes for welding stainless steel.
2.Preheating temperature and interpass temperature should be kept below 150℃.
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