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Hardened Stainless Steel Ring Rockwell HRC45 Precision Machined for Industrial Use Supplier Direct
Product Spotlights
Factory-direct hardened stainless steel rings with consistent Rockwell HRC45 hardness, precision machined to tight tolerances. ISO9001 certified manufacturer with 10+ years experience, customizable sizes, and fast global shipping. Ideal for industrial wear, sealing, and load applications.
US$ 2.4 - 4.4
MOQ: 30 Pieces
Key Specifications
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Material:
Other, Hardened Stainless Steel (e.g., 304, 316)
hardness:
Rockwell HRC45
processing_technology:
Precision Machined (CNC turning, grinding)
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
10 days
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Material
Other, Hardened Stainless Steel (e.g., 304, 316)
hardness
Rockwell HRC45
processing_technology
Precision Machined (CNC turning, grinding)
surface_finish
As machined or optional coating (e.g., passivation)
size_range
Customizable from 10mm to 500mm outer diameter
tolerance
ISO 2768 medium or tighter upon request
application
Industrial machinery, automotive, aerospace, hydraulic systems
certification
ISO9001:2015
packaging
Standard industrial packaging (carton, wooden case)
supply_type
Factory direct (Manufacturer)
Dongguan HonHo Jewelry Co., Ltd. — a trusted ISO9001 certified manufacturer established in 2010 — brings its precision engineering expertise to the industrial sector with our Hardened Stainless Steel Ring at Rockwell HRC45. These rings are precision machined to exacting tolerances, ensuring reliable performance in demanding environments. As a factory-direct supplier with over a decade of experience, we offer consistent quality, competitive pricing, and customized solutions for buyers worldwide.
Our hardened stainless steel rings are designed for heavy-duty industrial use, including sealing, spacing, load distribution, and wear resistance. The HRC45 hardness level provides an optimal balance between strength and machinability, making these rings ideal for applications where moderate wear resistance and corrosion protection are required.
Key Features & Technical Specifications
- Material: Premium hardened stainless steel (304 or 316 grade available), offering excellent corrosion resistance and durability.
- Hardness: Rockwell HRC45 (consistent across batch), verified by in-house testing equipment.
- Precision Machining: CNC turning, milling, and grinding ensure tight dimensional tolerances down to ±0.01mm where required.
- Surface Finish: Smooth machined surface (Ra ≤ 1.6 μm) with optional passivation or electropolishing for enhanced corrosion resistance.
- Size Range: Customizable from 10mm to 500mm outer diameter, with various inner diameters and thicknesses.
- Edge Treatment: Deburred and chamfered edges to prevent damage to mating parts during assembly.
| Parameter | Value / Range |
| Hardness (HRC) | 45 ± 2 |
| Outer Diameter (OD) | 10 - 500 mm (custom) |
| Inner Diameter (ID) | 5 - 450 mm (custom) |
| Thickness | 1 - 50 mm (custom) |
| Tolerance | ISO 2768 medium (tighter available) |
| Surface Roughness (Ra) | ≤ 1.6 μm |
| Applicable Standards | ASTM A276, DIN 125 / 127 (custom) |
Benefits for Industrial Applications
- Extended Service Life: The HRC45 hardness reduces wear and deformation under cyclic loads, prolonging equipment lifespan.
- Corrosion Resistance: Stainless steel composition withstands moisture, chemicals, and harsh environments, reducing maintenance costs.
- Cost Efficiency: Factory-direct pricing eliminates middlemen, offering significant savings for high-volume orders.
- Consistency: Our ISO9001 quality management system ensures repeatable precision across batches, vital for OEM applications.
- Customization: We provide quick turnaround on custom sizes, tolerances, and surface treatments to match your exact blueprint.
Trust Dongguan HonHo Jewelry Co., Ltd. — we have been a reliable manufacturing partner since 2010, operating a 3,000-5,000 m² factory with 51-100 skilled employees. Our annual export value exceeds US$2.5 million, supplying hardened stainless steel rings to markets across North America, Europe, Southeast Asia, and beyond. We ship from Shenzhen, Dongguan, and Guangzhou ports, ensuring timely delivery. Contact us today for a quote or engineering discussion — let our precision support your industrial success.
Frequently Asked Questions (FAQ)
-
Q: What is the minimum order quantity (MOQ)?
A: MOQ is typically 100 pieces for standard sizes, but we can negotiate small trial orders. Contact us for details. -
Q: Can you provide samples before mass production?
A: Yes, sample orders are available. We charge a sample fee which is refundable upon bulk order. -
Q: What grades of stainless steel do you use?
A: We commonly use 304 and 316 stainless steel. Other grades like 17-4PH or 420 are available on request. -
Q: How do you ensure the HRC45 hardness is consistent?
A: We perform Rockwell hardness testing on each batch using calibrated instruments, and we provide test reports upon request. -
Q: What are the typical lead times?
A: For standard sizes, lead time is 7-15 working days. Custom designs may take 15-25 working days depending on complexity. -
Q: Do you offer heat treatment or surface coating services?
A: Yes, we can provide additional treatments such as passivation, electropolishing, or black oxide coating as required. -
Q: Are these rings suitable for high-temperature environments?
A: Stainless steel retains good mechanical properties up to about 800°F (425°C). For higher temperatures, we recommend a different alloy; please consult our engineers. -
Q: What certifications do you have?
A: Our factory is ISO9001:2015 certified. We can also provide material certification (MTC) and compliance with ASTM or DIN standards.
Send Inquiry to This Supplier
1Yr
Business Type
Manufacturer
Year Established
2010
Factory Size
3,000-5,000 square meters
Annual Export Value
US$2.5 Million - US$5 Million
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