TIANJIN GOLDEN BRIDGE WELDING MATERIALS GROUP CO.,LTD.
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JQ·YD212-1
天津市金桥焊材集团股份有限公司
JQ.YD212-1 is a surfacing flux-cored welding wire shielded with CO2 gas; It has excellent surfacing performance with smooth arc, low spatter level, effortless slag removal ability and beautiful bead appearance; The deposited metal has high hardness and excellent abrasive wear resistance.
The product is applicable for single-layer or multi-layer surfacing repair of impact-resistant and wear-resistant work pieces, such as mining machinery, mining machinery and other parts.
Chemical components of deposited metal (%) (shielding gas: CO2)
Item | C | Cr | Mo |
| Guarantee value | 0.30-0.70 | ≤5.00 | ≤4.00 |
Hardness of surfacing metal: (Shielding gas: CO2)
Test item | HRC |
| General value (surfacing 5 layers) | ≥50 |
Reference current (DC+)
Diameter of welding wire (mm) | Φ1.2 | Φ1.4 | Φ1.6 |
| Current range (A) | 180-280 | 200-280 | 220-320 |
1. The work piece shall be degreased and derusted before welding.
2. When welding, the gas flow rate is generally 16-25L/min.
3. When welding flux-cored welding wire, the dry extension length should be 15-25mm.
4. Before surfacing large work pieces, it should be properly preheated to about 300℃.
5. The humidity of welding wire warehouse should be kept below 60%.
6. The welding wire without vacuum package should not be stored for more than half a year and welding wire with vacuum package should not be stored for more than a year.
2. When welding, the gas flow rate is generally 16-25L/min.
3. When welding flux-cored welding wire, the dry extension length should be 15-25mm.
4. Before surfacing large work pieces, it should be properly preheated to about 300℃.
5. The humidity of welding wire warehouse should be kept below 60%.
6. The welding wire without vacuum package should not be stored for more than half a year and welding wire with vacuum package should not be stored for more than a year.
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