Mold Overlay Welding Electrode D397
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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D397 Hardfacing Electrode
GB/T 984 EDRCrMnMo-15
Suitable for hardfacing of hot forging dies and high-strength wear-resistant parts made from cast or forged steel blanks, such as 5CrMnMo, 5CrNiMo, and 5CrNiSiW steel forging dies.
A low-hydrogen sodium-type coated CrMnMo hot forging die hardfacing electrode. The hardfacing layer structure consists of martensite and retained austenite, offering resistance to both metal-to-metal wear and abrasive wear.
Direct current reverse polarity (DC+).
Deposited Metal Chemical Composition (%)
| Test Item | C | Mn | Si | Cr | Mo | S | P |
| GB/T Standard | ≤0.60 | ≤2.50 | ≤1.00 | ≤2.00 | ≤1.00 | ≤0.035 | ≤0.040 |
| Example Value | 0.40 | 1.70 | 0.43 | 1.65 | 0.50 | 0.007 | 0.018 |
Hardfacing Metal Hardness (Air-cooled after welding)
| Test Item | HRC (4 layers or more) |
| GB/T Standard | ≥40 |
Reference Current
| Electrode Diameter (mm) | Φ3.2 | Φ4.0 | Φ5.0 |
| Welding Current (A) | 90～130 | 120～170 | 160～210 |
1. Drying requirement: Electrodes must be baked at 300～350°C for 1 hour before use and used immediately after baking.
2. Preheat hardfacing parts to above 250°C and cool slowly after welding.
| Industry Category: | Machinery & Equipment/General Mechanical Parts/Molds & Dies |
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