This Pump component is a critical fluid handling part designed for water supply systems, chemical transfer pumps, food processing equipment, pharmaceutical production lines, and general industrial pumping applications. It is manufactured by our in‑house Investment Casting + CNC precision machining process. The use of 304 stainless steel provides an excellent balance of corrosion resistance, good weldability, excellent formability, and reliable performance under a wide range of fluids and temperatures. The investment casting process ensures tight dimensional tolerances, smooth internal surface finish, and the ability to form complex hydraulic passages, thin-walled sections, and intricate impeller geometries — all critical for pump components requiring high volumetric efficiency, low flow resistance, cavitation resistance, and long‑term durability in sanitary or mildly corrosive environments.
Our one‑stop approach — covering mold design, investment casting, CNC machining, surface treatment (pickling, passivation, or electropolishing), and engineered packing — delivers a ready‑to‑assemble pump part that meets high‑strength mechanical requirements and withstands pressure fluctuations, fluid erosion, thermal cycling, moisture, and a wide range of chemical media.
Reliable Custom Investment Casting 304 Stainless Steel Pump
| Specification Item | Details for This Case | Matech’s Capability / Notes |
| Material Grade | 304 (conforming to GB/T 20878‑2024) | Other grades available upon request: 316, 304, etc. Full material certificates provided. |
| Unit Weight | 25 kg | Processable weight range: 1 kg – 80 kg |
| Dimensions | 400 × 350 × 400 mm | Maximum working envelope approx. 1000 × 500 × 300 mm (subject to drawing review) |
| Casting Tolerance | CT6 – CT7 | Achieved through in‑house precision tooling and stable casting process |
| Machining Tolerance | ±0.02 mm | Guaranteed by 3/4/5‑axis CNC machining centers; tighter tolerances negotiable |
| Surface Roughness | As‑cast Ra 3.2‑6.5 μm / Machined Ra 0.8 μm | Minimum machined surface Ra 0.8 μm |
| Minimum Wall Thickness | 3 mm | Focus on thin‑wall casting production; minimum achievable 3.0 mm depending on part geometry |
| Heat Treatment | Applicable heat treatment | Solution treatment and other heat treatments available; digital control of furnace temperature throughout process |
| Surface Treatment | Sandblasting | Options: electropolishing, mirror polishing, brushing, etc. Corrosion resistance requirements can be met per customer specifications |
| Applications | Fluid equipment | Serving robotics, automotive, general machinery, pumps & valves, new energy, and other industries |
| Minimum Order Quantity (MOQ) | 100 pieces | Flexible MOQ – prototypes / small batches supported |
| Sample Lead Time | 40‑45 working days (including new tooling) | Lead time confirmed after drawing review; expedited service available |
| Mass Production Lead Time | 45‑50 working days | Lead time determined by order quantity and part complexity; specified in contract |
| Drawing Formats | STEP, IGES, X_T, DWG, PDF | All standard 2D/3D drawing formats supported |
| Customization | Fully customizable | Material, geometry, tolerances, surface treatment – all aspects can be realized according to customer design |
| Certifications | ISO 9001:2015 Quality Management System | EN 10204 3.1 material certificate, dimensional inspection report, PPAP Level 3, and other documents available |
| Packaging | Custom PE foam + wooden case | Customized protective packaging for fragile / critical areas of parts |
Customization Options
Every casting project starts with your unique design and requirements. Whether it's iron, steel, or aluminum, we tailor every aspect of the manufacturing process to your exact specifications. Below are the key dimensions you can customize with Matech — your drawing is our only standard.
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Dedicated Cross-Functional Support
A dedicated project manager oversees the entire process — from design review to final delivery — ensuring efficient communication at every stage.
Fast Response & Transparent Communication
Quotations are typically provided within 24–48 hours. Production progress is updated regularly through photos and production data, with continuous customer feedback collection throughout the project.
Full batch traceability and 24-hour response to quality-related issues ensure reliable post-delivery support.
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