Phone:
86-15852949220
NANJING ALAS INTERNATIONAL CO., LTD
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In wood processing or land-clearing work, chipper blades are the most important parts that affect how well your machine works. A good blade not only cuts wood easily—it also saves fuel, eases strain on your engine, reduces downtime, and makes better wood chips.
Our industrial wood chipper blades are perfect replacements for major brands, including Vermeer, Bandit, Morbark, and more. We provide a comprehensive wood chipper blades list for various machine models
Logs
Branches
Bark
Recycled wood
Papermaking and pulping
Engineered wood (particleboard, MDF)
Biomass energy
Forestry work
Attached to a rotating cutter head
Common setups: 4–6 blades, 8–12 blades, or spiral design
Good for large logs
Makes clean, high-quality chips
Mostly used by paper mills
Fixed to a cylindrical drum
Works well with mixed materials (bark, wood waste, small logs)
Good for small-to-medium processing plants
Chips are slightly less even than disc blades
Type: High-toughness steel
Best for: Toughness and impact resistance
Hardness: HRC 58–62
Good for: Small-to-medium chippers, cutting hardwood, knotty wood, or frozen wood
Type: Upgraded A8 steel
Best for: Balance of toughness and wear resistance
Hardness: HRC 58–62 (more consistent)
Good for: Medium-to-large production lines (papermaking, wood panels)
Type: High-carbon, high-chromium steel (semi-stainless)
Best for: Wear resistance and long service life
Hardness: HRC 60–62
Good for: Large machines cutting softwood, bamboo, or straw
Cutting hardwood or frozen logs puts a lot of stress on blades.
ALAS blades use Modified A8 steel—perfect balance of hardness and toughness.
No brittle breaking (common with cheap blades).
Works well even in harsh winter conditions.
The real cost of a blade isn’t just the purchase price—it’s downtime.
ALAS helps you choose the right blade (size, material) for your wood type.
Longer blade life means fewer replacements and less downtime.
Lowers your total cost of ownership (TCO).
Mixed materials, high impact (hardwood, knotty wood, frozen wood) → Choose A8
Continuous production, mostly hardwood → Choose A8B (best value)
Softwood, bamboo, high volume → Choose D2 (longest life)
Specification Item | A8 Steel | A8B Steel (Modified A8) | D2 Steel |
|---|---|---|---|
| Material Type | High-toughness steel | Upgraded A8 steel | High-carbon, high-chromium steel (semi-stainless) |
| Core Advantage | Excellent toughness and impact resistance | Balanced toughness and wear resistance; more consistent performance | Superior wear resistance and long service life |
| Hardness (HRC) | 58–62 | 58–62 (more consistent) | 60–62 |
| Applicable Chipper Size | Small-to-medium chippers | Medium-to-large production lines | Large machines |
| Suitable Cutting Materials | Hardwood, knotty wood, frozen wood | Hardwood (for continuous production) | Softwood, bamboo, straw |
| Applicable Industries | General forestry work, small-scale wood processing | Papermaking, engineered wood (particleboard, MDF) production | Large-scale papermaking, biomass energy, high-volume wood processing |
| Additional Features | Resists brittle breaking under impact | Optimized for continuous production efficiency | Semi-stainless, suitable for high-volume, low-impact cutting |
A8 / A8 Modified: The gold standard for chipper blades. It delivers the best balance of toughness and wear resistance, effectively preventing chipping during operation.
D2 (SKD-11): High carbon and high chrome steel, designed for maximum edge retention—ideal for applications with clean wood (no debris or contaminants).
Cr12MoV: A cost-effective choice, perfect for standard landscaping and brush chipping tasks.
Sharpen: When you notice "stringy" wood chips or excessive wood dust (signs the blade is dull).
Replace: When the blade has reached its minimum width limit, or if it has deep cracks/chips that cannot be ground out (these compromise safety and performance).
Hard enough to maintain sharpness during extended use.
Tough enough to absorb the impact of knots and small stones without snapping or breaking.
Provide us with the blade dimensions (Length x Width x Thickness), hole diameter, and hole spacing; or
Send us a sample of your existing blade.
Nanjing Alas International Co., Ltd. is a professional industrial tooling manufacturer focused on shear blades, bending dies, shredder blades, and custom wear parts. We offer full application engineering, material selection, setup guidance, and after-sales support to global customers.
Tell us your requirements, and our engineering team will provide professional solutions for blade specification, tool life optimization, and cost-effective production.