
⚙️ Technical Compatibility
- Hole Size: Custom to requirements
- Compression Ratio: Tailored to feed formula
Hardwood Pellet Die for CPM 7932 (6mm)
Wear Resistant Alloy: Made of high-grade 20CrMnTi alloy steel, specifically optimized for abrasive wood fibers and silica sand.
Deep Carburization: Carburizing heat treatment achieves HRC 58-62 surface hardness while maintaining a tough inner core to prevent cracking.
| Material | 20CrMnTi Alloy Steel |
| Hole Size | 6.0 mm (Standard Wood) |
| Compression Ratio | 1:5 (Hardwood) |
| Hardness | HRC 58-62 (Carburized) |
| Feature | Extreme Wear Resistance |
Why Choose Hongyue Spare Parts?
Precision manufacturing for ultimate pelleting performance.
Deep Carburization
Advanced carburizing heat treatment achieves HRC 58-62 surface hardness while maintaining a tough inner core, providing extreme wear resistance against abrasive wood fibers.
CNC Gun Drilling
Precision gun-drilled holes with controlled geometry ensure consistent pellet density and maximum throughput for hardwood and softwood biomass pelleting.
Reinforced Blank Forging
High-pressure forged blanks eliminate internal metallurgical defects, preventing catastrophic die failure during high-pressure biomass compression.

Premium Material & Extended Lifespan
Forged from high-grade 20CrMnTi (Alloy Steel), our replacement ring dies and roller shells offer superior resistance against corrosion and abrasive wear during high-temperature pelleting. Processed through advanced vacuum heat treatment, we ensure a uniform hardness (typically HRC 52-56), which maximizes output capacity while minimizing the cost per ton of feed produced.
Frequently Asked Questions
Why use Alloy Steel (20CrMnTi) instead of Stainless Steel for wood pellets? ▼
Wood pelleting is highly abrasive but not corrosive. 20CrMnTi alloy steel allows for carburization, reaching HRC 58-62, which offers far superior wear resistance against wood fiber compared to stainless steel.
What is the lifespan of this CPM 7932 wood die? ▼
Depending on the wood species (hardwood vs softwood) and sand content, our premium alloy dies typically run for 1,500 to 2,000+ hours.
Why Material Matters
The lifespan of a ring die is determined by its material composition and heat treatment. We use only certified X46Cr13 stainless steel and 20CrMnTi alloy steel, processed through vacuum heat treatment to ensure uniform hardness and maximum wear resistance.
🐟 Feed Ring Die Material
X46Cr13 Stainless Steel
- • Hardness: HRC 52-56
- • Feature: Excellent corrosion resistance for aqua feed
- • Surface Finish: Mirror-polished holes (Ra ≤ 0.8)
🪵 Biomass Ring Die Material
20CrMnTi Alloy Steel
- • Hardness: HRC 55-62
- • Feature: High impact strength for wood fibers
- • Tensile Strength: ≥ 1080 MPa

Hole Finish
Ra 0.8
Precision Gun Drilling

Hardness
HRC 52-62
Vacuum Heat Treatment

Accuracy
100% Check
Final Quality Inspection
✓ OEM Brand Compatibility
* Disclaimer: Hongyue Machinery is an independent manufacturer of premium aftermarket replacement parts. Any reference to original equipment manufacturer (OEM) brand names, trademarks, or machine models (such as CPM, Buhler, Muyang, Zhengchang, etc.) is strictly for the purpose of identifying compatibility. We are not affiliated with, sponsored by, or endorsed by these manufacturers.