Nanjing Zhitian Mechanical And Electrical Co., Ltd.
| Payment Terms | T/T,L/C |
| Supply Ability | 500 Sets / Month |
| Delivery Time | 10-60 Days |
| Packaging Details | Anti-corrosion film + Shockproof foam + Wooden crate |
| Applicable Industries | Plastic rubber machinery parts |
| Hs Code | 8477900000 |
| Feature Effect | Wear adn corrosion resistance |
| Customization | Drawing Or Sample Accepted |
| Heat Treatment | Vacuum heat treatment |
| Diameter Range | Φ10-Φ500mm |
| Type | standard |
| Processing Tolerance | ±0.02 mm |
| Material | W6Mo5Cr4V2,38CrMoAlA,42CrMo,SAM26,38CrMoALA or W6Mo5Cr4V2 |
| After-sales service provided | Engineers available to service machinery overseas,Online support,Video technical support,Free spare parts |
| Brand Name | zhitian |
| Model Number | 110 |
| Certification | iso9001 |
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Product Specification
| Payment Terms | T/T,L/C | Supply Ability | 500 Sets / Month |
| Delivery Time | 10-60 Days | Packaging Details | Anti-corrosion film + Shockproof foam + Wooden crate |
| Applicable Industries | Plastic rubber machinery parts | Hs Code | 8477900000 |
| Feature Effect | Wear adn corrosion resistance | Customization | Drawing Or Sample Accepted |
| Heat Treatment | Vacuum heat treatment | Diameter Range | Φ10-Φ500mm |
| Type | standard | Processing Tolerance | ±0.02 mm |
| Material | W6Mo5Cr4V2,38CrMoAlA,42CrMo,SAM26,38CrMoALA or W6Mo5Cr4V2 | After-sales service provided | Engineers available to service machinery overseas,Online support,Video technical support,Free spare parts |
| Brand Name | zhitian | Model Number | 110 |
| Certification | iso9001 |
At ZHITIAN, we manufacture Twin Screw Extruder Screw Elements designed for the world’s most demanding compounding environments. Each element is machined from high-performance alloys using advanced CNC and heat treatment technology, ensuring perfect geometry, mechanical stability, and interchangeability across leading extruder systems.
Our design philosophy combines engineering precision, material science, and process understanding, allowing our screw elements to deliver stable torque transfer, optimized shear distribution, and extended service life in continuous operation.
The performance of screw elements is largely determined by their base materials. ZHITIAN offers a full range of materials engineered to withstand mechanical and chemical stress in polymer and chemical processing.
| Material Grade | Category | Key Properties | Typical Application |
|---|---|---|---|
| 38CrMoAla | Nitrided Steel | Cost-effective, surface hardness up to 1000HV | General compounding |
| W6Mo5Cr4V2 | High-Speed Steel | Superior wear resistance, stable at high temperature | Glass fiber reinforced plastics |
| Cr12MoV / DC53 | Tool Steel | High toughness, anti-deformation | Masterbatch and filled polymer |
| SAM26 / SAM39 | PM-HIP Alloy | Exceptional wear and corrosion resistance | Engineering plastics and flame retardants |
| CPM10V / CPM9V | PM-HIP Alloy | Extreme hardness up to 66HRC | Abrasive and reactive polymers |
| 440C / Hastelloy-C | Stainless Alloy | Corrosion-resistant, ideal for chemical and food extrusion | Reactive or corrosive materials |
Each ZHITIAN screw element undergoes a tightly controlled manufacturing process:
Extended Service Life: PM-HIP alloys deliver superior resistance against abrasion and fatigue.
Corrosion Protection: Suitable for reactive materials, chemical additives, and bio-based polymers.
Custom Geometry: Profile, pitch, and kneading angles are fully adjustable to match process needs.
High Torque Stability: Designed for consistent torque transmission even under heavy load.
Compatibility: Fully interchangeable with extruders from major global manufacturers.
Engineering plastics (PA, PC, PBT, ABS)
Color and additive masterbatch production
Biodegradable and recycled polymer processing
Food and feed extrusion lines
Specialty chemical and elastomer compounding
| Parameter | Specification |
|---|---|
| Machining Tolerance | ±0.02 mm |
| Surface Hardness | 58–66 HRC |
| Treatment Options | Nitriding, Polishing, Coating |
| Length Range | 18–120 mm per segment |
| Torque Transmission | Optimized for co-rotating systems |
| Material Options | Nitrided, Tool Steel, PM-HIP, Stainless Alloy |
| Quality Standard | ISO9001 & Internal SOP/SIP Inspection |
| Country of Manufacture | China |
| Attribute Name | Value |
|---|---|
| Structure Type | Co-rotating twin screw segment |
| Material Category | Tool steel / PM-HIP alloy |
| Processing Method | CNC precision machining |
| Surface Treatment | Nitriding / Polishing / Coating |
| Hardness Range | 58–66 HRC |
| Customization | Geometry & material optional |
| Compatibility | Multi-brand extruder systems |
| Brand | ZHITIAN |
ZHITIAN’s engineering team has over 20 years of expertise in the design and manufacture of twin screw extruder components. Our integrated process—from powder metallurgy to precision machining—ensures consistency, efficiency, and reliability across every production batch.
With exports to Europe, North America, and Southeast Asia, ZHITIAN is recognized globally for precision, durability, and value in extrusion component manufacturing.
Q1: What’s the best material for highly abrasive formulations?
A1: We recommend PM-HIP alloys suchs as SAM26 or CPM10V for maximum wear resistance.
Q2: Can ZHITIAN manufacture non-standard or custom screw profiles?
A2: Yes. Custom geometry and material combinations can be produced based on drawings or performance targets.
Q3: How long is the typical service life?
A3: Depending on material and application, service life can be 2–5 times longer than conventional tool steel elements.
Q4: Are these elements compatible with other international extruder brands?
A4: Absolutely. All dimensions follow OEM standards or can be customized for specific models.
Company Details
Business Type:
Manufacturer,Exporter
Year Established:
2006
Total Annual:
10000000-12000000
Employee Number:
100~150
Ecer Certification：
Verified Supplier
Specializing in the production of twin-screw extruder parts Zhitian, a high-tech enterprise and Jiangsu Province-certified Specialized, Refined, Distinctive, and Innovative (SRDI) company, has specialized in twin-screw extruder parts for over two decades. With two production bases in Nanjing... Specializing in the production of twin-screw extruder parts Zhitian, a high-tech enterprise and Jiangsu Province-certified Specialized, Refined, Distinctive, and Innovative (SRDI) company, has specialized in twin-screw extruder parts for over two decades. With two production bases in Nanjing...
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