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Welcome to Dongguan HonHo Jewelry Co., Ltd. – your trusted manufacturer of high-precision industrial components. Since 2010, we have been specializing in the production of Industrial Stainless Steel Ring 304 designed for mechanical seals and other demanding applications. With a factory spanning 3,000-5,000 square meters and a dedicated team of 51-100 skilled workers, we ensure every ring meets rigorous quality standards. Our rings are crafted from premium 304 stainless steel, offering excellent corrosion resistance and dimensional stability, making them the ideal choice for critical sealing systems in pumps, compressors, and mixers.
Our Precision 304 Stainless Steel Rings are engineered to deliver consistent performance under high pressure and temperature variations. Each ring undergoes strict quality control, including dimensional inspection and surface finish verification. We understand that mechanical seal parts require absolute reliability – our rings help reduce leakage, minimize downtime, and extend equipment life. Below you will find detailed technical specifications and key features of our product.
Product Highlights & Technical Specifications
- Material: AISI 304 Stainless Steel – excellent corrosion resistance, suitable for water, oil, mild chemicals.
- Precision Machining: CNC turning and grinding ensure tolerances as tight as ±0.01mm.
- Surface Finish: Ra 0.2-0.8μm standard; finer finishes available upon request.
- Customizable Dimensions: Outer diameter from 10mm to 200mm, inner diameter from 5mm to 180mm, thickness from 2mm to 30mm.
- Hardness Options: Standard as-supplied hardness HRB 70-90; solution annealing or other heat treatments optional.
- Applications: Ideal for mechanical seals in centrifugal pumps, rotary compressors, agitators, and other rotating equipment.
- Certification: ISO9001 certified quality management system ensures consistency and traceability.
- Packaging & Shipping: Individually wrapped or bulk packed; shipped via Shenzhen, Dongguan, or Guangzhou ports.
| Parameter | Value / Range |
|---|---|
| Material Grade | 304 (1.4301) |
| Tolerance (OD/ID) | ±0.01mm – ±0.05mm (customizable) |
| Surface Roughness (Ra) | 0.2 – 0.8 μm (lower available) |
| Hardness (HRB) | 70 – 90 (as supplied) |
| Cross-Section Shape | Rectangular, L-shaped, custom profiles |
| Applicable Temperature | -196°C to +800°C (depending on media) |
Beyond the numbers, what sets our Industrial Stainless Steel Ring 304 apart is the precision and consistency we deliver. Our rings are manufactured using advanced CNC lathes and grinding machines, supported by a rigorous in-house quality lab equipped with CMM, surface profilometer, and hardness tester. Every batch is documented for full traceability, meeting the demanding requirements of mechanical seal manufacturers.
Customer Benefits
- Improved seal reliability: tight tolerances reduce vibration and wear, extending seal life by up to 30%.
- Cost-effective: direct factory pricing eliminates middlemen, offering competitive rates without sacrificing quality.
- Flexible customization: we accept small to large orders, prototypes, and complex geometries – just share your drawing.
- Fast turnaround: typical lead time is 7-15 working days for standard sizes; rush service available for urgent needs.
Why Choose Dongguan HonHo Jewelry Co., Ltd.?
With over 14 years of manufacturing experience, we have built a reputation for delivering precision components to clients across North America, South America, Europe, Asia, Africa, and Oceania. Our annual export value of US$2.5 - 5 Million reflects the trust global buyers place in us. We are ISO9001 certified, ensuring our processes meet international quality standards. Our factory size of 3,000-5,000 m² and a team of 51-100 employees allow us to handle both volume production and intricate custom jobs. We ship from major ports (Shenzhen, Dongguan, Guangzhou) with reliable logistics partners.
By choosing our Industrial Stainless Steel Ring 304, you are partnering with a supplier committed to excellence. We invite you to request a quote or sample to experience our quality firsthand. Our sales engineers are ready to assist with technical inquiries and provide tailored solutions for your mechanical seal applications.
Frequently Asked Questions (FAQ)
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Q: Are your rings made of genuine 304 stainless steel?
A: Yes, we use AISI 304 (1.4301) stainless steel sourced from reputable mills. Material certificates are available upon request. -
Q: Can you manufacture rings to my specific dimensions?
A: Absolutely. We accept custom dimensions based on your drawings or samples. We can also assist in design optimization. -
Q: What is the minimum order quantity (MOQ)?
A: Our standard MOQ is 100 pieces for stock sizes, but we can accommodate smaller quantities for prototyping or trial orders. -
Q: How long does production and delivery take?
A: For standard sizes, lead time is 7-15 working days after order confirmation. Custom parts may require 15-25 working days depending on complexity. -
Q: Do you provide samples? Are they free?
A: Yes, we offer samples. Samples are charged at cost, but the cost will be deducted from your first bulk order. Shipping is collect. -
Q: What quality certifications do you hold?
A: Our factory is ISO9001 certified. We also comply with other standards as per customer requirements – please specify your needs. -
Q: What surface finishes do you offer?
A: Standard surface finish is Ra 0.4-0.8μm. We can achieve finer finishes (Ra 0.2μm or better) or special coatings (passivation, electropolish) upon request. -
Q: Can you produce rings with non-circular shapes (e.g., oval, D-shaped)?
A: Yes, we have the capability to produce custom profiles and non-standard shapes. Please provide a 2D/3D drawing for evaluation.
Contact us today to discuss your requirements or request a quote. Let us help you optimize your mechanical seal performance with precision stainless steel rings.
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