Qidong Fengsu Precision Casting & Drilling Tools lists this sol casting industrial fan with its own published specification, unedited. Supplier profile: 1 year on the platform. Send your target quantity and destination for a firm quotation with current lead times.
Key Features of This Sol Casting Industrial Fan
- Model Number: Custom
- Certification: ISO9001, Material Traceability (COC), PPAP Supported
- Place Of Origin: Guangdong, China
- Typical Application: Pump Impeller, Valve Body, Marine Hardware, Food/Medical Parts
- Supplier Type: OEM/ODM Custom Manufacturing Factory with Design Support
- Single Package Size: 20X20X20 cm
Technical Specifications
| Place Of Origin | Guangdong, China |
|---|---|
| Brand Name | Customize |
| Model Number | Custom |
| Casting Process | Lost Wax Investment Casting, Silica Sol, Medium Temperature Wax |
| Precision Grade | CT5–CT12, ±0.05–0.5 mm (By Size) |
| Certification | ISO9001, Material Traceability (COC), PPAP Supported |
| Surface Finish | Ra 1.6 – 3.2 Micro (As Cast), Electro-polishing Service |
| Heat Treatment | Quenching & Tempering, Normalizing, Annealing |
| Testing Service | CMM Inspection, Material Spectral Report, PT/MT/NDT |
| Secondary Process | CNC Machining In-House, Polishing, Assembly |
| Sample Lead Time | DFM Review 72 Hours, Samples 5–10 Days |
| Typical Application | Pump Impeller, Valve Body, Marine Hardware, Food/Medical Parts |
| Supplier Type | OEM/ODM Custom Manufacturing Factory with Design Support |
| Selling Units | Single item |
| Single Package Size | 20X20X20 cm |
| Single Gross Weight | 2.0 kg |
Product Details
Attribute | Our Capability and Metric |
Casting Process | Silica Sol Investment Casting, Lost Wax Process (Medium-Temp Wax). |
Pattern Material | Medium-Temperature Wax (Higher precision than low temperature wax). |
Precision Grade | Surface Finish: Ra 1.6- Ra 3.2 μm(AS Cast), CT Grade: CT5 -CT12. Linear Tolerance: ±0.10mm per 25mm, tighter on request. |
Size Tolerance | Linear Tolerance:+0.10mm per 25mm, (Increase in proportion to size) tighter on request (e.g., ±0.05mm on critical dims). |
Typical Wall Thickness | Minimum 3mm, Larger than 4 mm is recommended for better filling and integrity. |
Materials | Stainless Steel (304, 316, 17-4PH), Carbon Steel (ZG45), Alloy Steel (40Cr, 42CrMo).Brass/Bronze(CuZn, AB2) |
Heat Treatment Type | Quenching & tempering, normalizing, annealing, tempering, solution treatment. |
Core Making Process | Ceramic Core / Sol-Gel Process (For Complex Internal Channels) |
Gating System Control | Optimized for Directional Solidification / Minimum Hot Tearing. |
Microstructure Check | Metallography Analysis / Grain Size Control (For Critical Parts). |
Max Size / Weight Range | Max Dimension: < 300mm x300mm x 300mm (Typical). Weight Range: 0.05Kg-25Kg |
Surface Treatment | Electro-polishing, Passivation, Shot Blasting, Anodizing, Heat Treatment |
Processing Ability | Precision CNC Machining to 0.05mm, Functional Assembly, 72h DFM Review. Secondary Operation: Tapping, Drilling.Grinding. |
Application | Pump/Valve Components, Impellers, Marine Hardware, Food/Medical Machinery Parts. Micro Components. |
Inspection | CMM Inspection, Spectrometry Analysis (COC), Dynamic Balance(≤G6.3), Magnetic Powder(MT). NDT:X-Ray (RT) or Ultrasonic Testing(UT). |
Inspection Level | AQL or 100% Inspection on Critical Dimensions. |
Batch Repeatability | High Consistency (Cpk/Ppk data on request). |
Custom Packaging | Anti-rust Oil Coating, Neutral Labeling, Cleanroom Packaging (for medical/food). |
Packaging Standard | ISPM15 Certified Wooden Crates,Neutral Labeling, Anti-Corrosion. |
Standard / Certification | ISO9001, PPAP/COC Supported, ASTM, DIN, JIS Standards. SOP on Request. |
Lead Time & Service | Sample 5-10 Days, Mass Production25-30 Days. Tooling/Pattern Cost isdeductible from bulk order. |


















Process Type | Process Description | Our Capability & Experience | Typical Materials |
Quenching & Tempering | Quench then temper to balance strength and toughness. | Strict temperature & time control; stable hardness 220–300 HB. | 40Cr, 42CrMo, ZG45 |
Normalizing | Heat and air-cool to refine structure and remove stress. | Used before machining to ensure dimension stability. | Carbon steel |
Annealing | Heat slowly and cool gradually to reduce hardness. | Applied before machining or reshaping. | ZG35, 304, 316 |
Solution Treatment | Heat and quick cool to improve corrosion resistance. | Control ±5 °C uniformity; brightness maintained. | 304, 316, 17-4PH |
Aging Treatment | Medium-temp heating to enhance strength and stability. | 17-4PH parts reach HRC 36–42 after aging. | 17-4PH, Cu-Alloy |
Material Type | Typical Grade | Our Capability | Typical Application | Material Type | Typical Grade |
Carbon Steel | ZG45, Q235, ZG35 | For structural and load-bearing parts; size control within ±0.10mm; cost-effective solution. | Machinery frames, bases, housings | Carbon Steel | ZG45, Q235, ZG35 |
Alloy Steel | 40Cr, 42CrMo, ZG40Cr | Wear-resistant and fatigue-resistant; quenching & tempering available; stable dimension control. | Pump valve bodies, pressure housings, drilling tools | Alloy Steel | 40Cr, 42CrMo, ZG40Cr |
Stainless Steel | 304, 316, 17-4PH | Corrosion-resistant; mirror polish up to Ra1.6; heat treatment supported. | Food equipment, chemical valves, precision hardware | Stainless Steel | 304, 316, 17-4PH |
Copper Alloy | CuZn, AB2, Tin Bronze | Wear-resistant and conductive; fine casting surface; plating available. | Hydraulic parts, decorative components, valve seats | Copper Alloy | CuZn, AB2, Tin Bronze |
Material Type | Typical Grade | Our Capability | Typical Application | Material Type | Typical Grade |
Carbon Steel | ZG45, Q235, ZG35 | For structural and load-bearing parts; size control within ±0.10mm; cost-effective solution. | Machinery frames, bases, housings | Carbon Steel | ZG45, Q235, ZG35 |
Item | Medium-Temp Lost Wax | Conventional Lost Wax | Sand Casting |
CT Grade | CT5 – CT8 | CT7 – CT9 | CT9 – CT12 |
Linear Tolerance (per 25mm) | ±0.10 mm | ±0.20 mm | ±0.50 mm |
Surface Roughness (Ra μm) | Ra 1.6–3.2 | Ra 3.2–6.3 | Ra 12.5–25 |
Recommended Wall Thickness | ≥3.0 mm | ≥4.0 mm | ≥6.0 mm |
Repeatability | Excellent — Constant temp & humidity environment ensures dimensional consistency. | Moderate — Precision subject to environmental variations | Prone to deformation — Significant dimensional instability |
Application Focus | Precision components, complex geometries, and surface-finish demanding parts. | General machinery parts | Large, low-cost structural parts |
Overall Recommendation | Best balance of precision & cost | For general batches | For large rough parts only |
Ordering and Pricing
- Minimum order quantity: 50 piece
- Volume pricing:
- 50–499 piece: US $1.75 / piece
- 500–4999 piece: US $1.25 / piece
- 5000+ piece: US $0.4 / piece
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this sol casting industrial fan?
The standard minimum order quantity is 50 piece. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
Which certifications does this sol casting industrial fan carry?
It is supplied with ISO9001, Material Traceability (COC), PPAP Supported documentation, which covers the requirements of most import markets. Additional test reports can be issued on request.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Qidong Fengsu Precision Casting & Drilling Tools Co., Ltd., based in China. The company 1 years as a verified Alibaba.com supplier, operates its own manufacturing. Browse the full Qidong Fengsu Precision Casting & Drilling Tools Co., Ltd. range on HVACR Nexus.
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