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At Henan San Kuang Machinery Technology Co., Ltd., we specialize in delivering precision custom machining of 316 stainless steel with an exceptional Ra 0.8μm surface finish. As a professional manufacturer established in 2022, we operate a state-of-the-art facility spanning 10,000–30,000 square meters, equipped with advanced CNC machines and skilled technicians. Our commitment to quality and precision ensures that every component we produce meets the highest standards, making us a trusted partner for industries ranging from medical devices to marine engineering.
Our 316 stainless steel custom machining services offer unparalleled accuracy and surface quality. The Ra 0.8μm finish is achieved through carefully controlled processes, including precision turning, milling, grinding, and polishing. This superior surface finish not only enhances the aesthetic appeal but also improves corrosion resistance, reduces friction, and extends the lifespan of your parts. Whether you need complex geometries, tight tolerances, or specific thread profiles, our team can deliver exactly what your project requires.
- Material Excellence: 316 stainless steel offers excellent corrosion resistance against chlorides, acids, and alkaline solutions, making it ideal for harsh environments such as marine, chemical processing, and food equipment.
- Precision Tolerances: We achieve tolerances as tight as ±0.01mm, ensuring consistent quality across batches. Each part undergoes rigorous inspection using CMM, optical comparators, and surface roughness testers.
- Surface Finish Control: Our Ra 0.8μm finish is guaranteed through multiple polishing and finishing steps. We can also customize finishes from Ra 0.4μm to Ra 3.2μm based on your specifications.
- Customization Capabilities: We support prototypes, low-volume production, and high-volume runs. Our flexible manufacturing allows for custom thread sizes, hole patterns, and complex 3D contours.
- Certified Quality Management: Our facility is certified under ISO9001, ISO14000, OHSAS18001, and other international standards. We also hold HACCP, SA8000, and TL900 certifications, ensuring product safety and social responsibility.
- Advanced Equipment: We utilize 5-axis CNC machining centers, Swiss-type lathes, and automatic grinding machines to achieve high efficiency and repeatability.
- Fast Turnaround: Standard lead time is 5–15 working days, with rush service available for urgent orders. We ship globally via Port of Shanghai, Lianyungang, Qingdao, or Tianjin.
| Parameter | Specification |
|---|---|
| Material | 316 Stainless Steel (UNS S31600) |
| Surface Roughness | Ra 0.8μm (32 μin) – customizable |
| Tolerance | ±0.01mm (standard) / ±0.005mm (precision) |
| Max Part Size | Up to 800mm x 500mm x 400mm |
| Processing Methods | CNC Turning, Milling, Drilling, Grinding, EDM, Laser Cutting |
| Secondary Operations | Deburring, Passivation, Electropolishing, Heat Treatment |
| Inspection Equipment | CMM, Microscope, Surface Roughness Tester, Spectrometer |
| Packaging | Anti-rust paper, foam inserts, wooden crates (export grade) |
The benefits of choosing our precision custom machining of 316 stainless steel are clear: you get durable, corrosion-resistant parts with a smooth surface that reduces wear and cleaning time. Our team works closely with you to optimize designs for manufacturability, reducing costs without compromising quality. We also provide full material traceability with mill certificates upon request, ensuring compliance with ASTM A240, A276, and other relevant standards.
Backed by Henan San Kuang Machinery Technology Co., Ltd., we have a proven track record of serving markets across North America, South America, Europe, Asia, and Africa. Our annual export value reaches US$2.5–5 million, and we have a dedicated workforce of 51–100 employees. With certifications including ISO9001, ISO14000, OHSAS18001, HACCP, SA8000, and TL900, we prioritize quality, safety, and environmental responsibility. Our factory is located in Luoyang, a major industrial hub in Henan, China, providing convenient access to major ports.
We invite you to experience our reliable service and exceptional precision. Contact us today for a quote or to discuss your project requirements. Our engineering team is ready to assist with custom designs, rapid prototyping, and volume production. Choose Henan San Kuang for your next 316 stainless steel machining project – where quality meets precision.
Frequently Asked Questions (FAQ)
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Q: What is the minimum order quantity (MOQ) for custom machining?
A: We accept MOQ as low as 1 piece for prototypes and small runs. For larger production, MOQ can be adjusted based on your needs. No minimum quantity is mandatory for standard parts. -
Q: How do you ensure the Ra 0.8μm surface finish quality?
A: We use calibrated surface roughness testers (e.g., Mitutoyo SJ-210) to measure every batch. Our process includes multiple finishing steps: rough machining, semi-finishing, and final polishing. We also offer in-process inspection reports. -
Q: Can you provide material certificates for 316 stainless steel?
A: Yes, we provide mill test certificates (MTC) per ASTM A240 or EN 10204 type 3.1 upon request. Traceability is maintained from raw material to final product. -
Q: What is the typical lead time for custom orders?
A: Standard lead time is 5–15 working days depending on complexity and quantity. For urgent orders, we offer expedited service (rush fee applies). Please contact us for specific timelines. -
Q: Do you offer secondary services like electropolishing or passivation?
A: Absolutely. We provide electropolishing, passivation, deburring, heat treatment, and other surface treatments. These services can be combined to meet your corrosion resistance and aesthetic requirements. -
Q: What industries do you serve with 316 stainless steel machining?
A: We serve medical devices, marine equipment, food processing machinery, chemical processing, oil & gas, aerospace, and automotive industries. Our parts are used in pumps, valves, fittings, sensors, and specialty components. -
Q: How do you handle quality control and inspection?
A: We implement a strict QC process: incoming material inspection, first-article inspection (FAI), in-process sampling, and final inspection. We use CMM, optical comparators, and hardness testers. All inspection records are kept for traceability. -
Q: What are your payment terms and shipping options?
A: We accept T/T, L/C, and other negotiable terms. Shipping is via air, sea, or express (DHL, FedEx). We ship from major Chinese ports including Shanghai, Lianyungang, Qingdao, and Tianjin.
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