Hardfacing Electrode D507
Contact Info
- Address:河北省邢臺市信都區(qū)永康街533號, Zip:
- Contact: 韓吉英
- Tel:13833921539
- Email:2891465062@qq.com
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D507 Hardfacing Welding Electrode
GB/T 984 EDCr-A1-15
Suitable for hardfacing of carbon steel or alloy steel shafts and valves operating at temperatures below 450°C.
A low-hydrogen sodium type coated 1Cr13 valve hardfacing electrode. The deposited metal is 1Cr13 semi-ferritic high chromium steel. The hardfacing layer has air-hardening properties, generally requiring no heat treatment, with uniform hardness. It can also be annealed and softened at 750–800°C. When heated to 900–1000°C and air-cooled or oil-quenched, it can be rehardened.
Direct current reverse polarity (DC+)
Chemical Composition of Deposited Metal (%)
| Test Item | C | Cr | S | P | Total Other Elements |
| GB/T Standard | ≤0.15 | 10.00–16.00 | ≤0.030 | ≤0.040 | ≤2.50 |
| Example Value | 0.13 | 13.34 | 0.006 | 0.022 | —— |
Hardfacing Metal Hardness (Air-Cooled After Welding)
| Test Item | HRC (4 layers or more) |
| GB/T Standard | ≥40 |
Reference Current
| Electrode Size (mm) | Φ3.2 | Φ4.0 | Φ5.0 |
| Welding Current (A) | 80–120 | 120–160 | 160–200 |
1. Drying requirement: Electrodes must be baked at 300°C for 1 hour before use and used while warm.
2. Preheat hardfacing components to above 300°C. Post-weld heat treatment can achieve corresponding hardness levels.
| Industry Category: | Hardware & Tools/Welding Materials & Accessories/Welding Rods |
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