Hunan Yuanhong New Materials Co.,Ltd
| Dimensional Tolerance | Down to ±0.002 mm (Coaxiality & Cylindricity) |
| Packaging Details | by carton |
| Surface Roughness | Down to Ra 0.05 μm (Mirror Lapped & Polished) |
| Supply Ability | 10000pcs per month |
| Fracture Toughness | 8.0 – 10.0 MPa·m½ (Transformation Toughened) |
| Density | ≥ 6.0 g/cm³ (High-Density Sintered Body) |
| Dimensions | 100% Customized to Customer Technical Drawings |
| Surface Hardness | 89 – 90 HRA / 1250 – 1350 HV1 (Mohs 8.5–9) |
| Material | 3Y-TZP Zirconia Ceramics (ZrO₂ + Y₂O₃ ≥ 99.5%) |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Flexural Strength | ≥ 1000 – 1200 MPa (Super High Rigidity) |
| Delivery Time | 10-30days |
| Product Name | Ceramic Rotor Core / Valve Spool / Rotor Shaft |
| Chemical Resistance | 100% Acid, Alkali, and Seawater Inert |
| Certification | ISO |
| Place of Origin | CHINA |
| Brand Name | YH |
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Product Specification
| Dimensional Tolerance | Down to ±0.002 mm (Coaxiality & Cylindricity) | Packaging Details | by carton |
| Surface Roughness | Down to Ra 0.05 μm (Mirror Lapped & Polished) | Supply Ability | 10000pcs per month |
| Fracture Toughness | 8.0 – 10.0 MPa·m½ (Transformation Toughened) | Density | ≥ 6.0 g/cm³ (High-Density Sintered Body) |
| Dimensions | 100% Customized to Customer Technical Drawings | Surface Hardness | 89 – 90 HRA / 1250 – 1350 HV1 (Mohs 8.5–9) |
| Material | 3Y-TZP Zirconia Ceramics (ZrO₂ + Y₂O₃ ≥ 99.5%) | Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Flexural Strength | ≥ 1000 – 1200 MPa (Super High Rigidity) | Delivery Time | 10-30days |
| Product Name | Ceramic Rotor Core / Valve Spool / Rotor Shaft | Chemical Resistance | 100% Acid, Alkali, and Seawater Inert |
| Certification | ISO | Place of Origin | CHINA |
| Brand Name | YH |
Custom Zirconia Ceramic Rotor Core High Toughness Precision CNC Valve Spool Mirror Polish Ra0.05 OEM
Key Selling Points
Selling Point 1 — Extreme Fracture Toughness (8–10 MPa·m½) & Anti-Chipping
Manufactured from ultra-fine 3Y-TZP yttria-stabilized zirconia. Leveraging unique stress-induced transformation toughening, it delivers a fracture
toughness of 8.0–10.0 MPa·m½—nearly 2–3 times higher than alumina. Completely prevents chipping, cracking, or edge spalling at sharp drive
slots under high-speed rotational torque.
Selling Point 2 — Ultra-High Flexural Strength (≥1000 MPa) & Compressive Rigidity
Boasts exceptional mechanical load-bearing capacity with flexural strength exceeding 1000–1200 MPa and material density of ≥6.0 g/cm³.
Withstands severe hydraulic pressure pulsations up to 1000 bar without deformation, outlasting metal alloys in high-pressure fluid valves and
metering pumps.
Selling Point 3 — Mirror-Polished Surface Finish (Ra ≤ 0.05μm) & Low Friction Torque
The external cylindrical sealing journals undergo precision centerless diamond grinding and optical micro-lapping, achieving mirror smoothness
down to Ra 0.05μm. Features an extremely low dynamic friction coefficient, minimizing starting torque and preventing seal ring wear.
Selling Point 4 — Intricate Stepped Taper Profile & Symmetric Drive Keyways
CNC-engineered with precision stepped-taper geometry, high-concentricity axial center bore, and dual symmetric drive keyway notches.
Guarantees zero backlash, precise angular indexing, and smooth fluid distribution across complex multi-port valve assemblies.
Selling Point 5 — Multi-Industry Applications: Pumps, Medical Valves & Chemical Metering
Proven durability across critical industries: high-pressure water pump plungers and rotor cores, medical bio-analysis sampling valves (bio-inert
with zero metal ion elution), corrosive chemical metering pumps, and intelligent sanitary mixing cartridges.
Selling Point 6 — Factory Direct Sourcing & 100% CMM Precision Inspection
Produced in Hunan Yuanhong's 8,000㎡ precision technical ceramics facility under ISO9001 quality systems. Every piece is 100% verified using
3D coordinate measuring machines (CMM) and laser micrometers. Rapid prototype samples delivered within 3–7 business days under bilateral
NDA protection.
Geometric & Structural Characteristics:
- Stepped tapered cylindrical body engineered for multi-journal seal housing
- Concentric axial center through-bore for drive shaft or fluid channel connection
- Dual symmetric drive keyway notches at the base for high-torque anti-rotation transmission
- Chamfered micro-radii on all edges to eliminate stress concentration and avoid chipping
- Flawless ivory-white high-gloss mirror surface finish
Chemical & Environmental Resistance:
- 100% chemically inert to concentrated acids, alkalis, saline water, and organic solvents
- Completely immune to galvanic corrosion, pitting, cavitation, and biofouling
- Zero heavy metal ion leaching, meeting stringent medical, food, and semiconductor purity standards
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Quality Control & Assurance:
- Certifications: ISO9001, CE, RoHS, REACH - Inspection Protocol: 100% CMM (Coordinate Measuring Machine) verification and optical surface profilometry - Prototyping Lead Time: 3 to 7 business days - Production Lead Time: 15 to 20 business days - Packaging: Form-fitted high-density EPE foam tray + Export-standard corrugated cartons/wooden crates - Confidentiality: Bilateral Non-Disclosure Agreement (NDA) supported for proprietary CAD designs |
Primary Application Fields:
- High-Pressure Fluid Equipment: Ceramic plungers, rotor cores, pressure regulating valve spools
- Medical & Laboratory Analysis: Syringe micro-metering pump rotors, HPLC bio-inert sampling valves
- Industrial Process Valves: Multi-port rotary fluid distributor cores, chemical drain valve plates
- High-Wear Mechanical Components: Precision ceramic guide bushings, high-speed ceramic spindles
Company Details
Business Type:
Manufacturer
Year Established:
2016
Total Annual:
10000000-30000000
Employee Number:
80~100
Ecer Certification：
Verified Supplier
Hunan Yuanhong New Materials Co.,Ltd Hunan Yuanhong New Materials Co.,Ltd was established in 2016 in Loudi Hunan. As the lead manufacturer of advanced ceramics components, with continuous efforts in research and development, strict production quality control, and over 9 years of production experie... Hunan Yuanhong New Materials Co.,Ltd Hunan Yuanhong New Materials Co.,Ltd was established in 2016 in Loudi Hunan. As the lead manufacturer of advanced ceramics components, with continuous efforts in research and development, strict production quality control, and over 9 years of production experie...
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