Industrial Grade 316F Stainless Steel Polishing Rods
Excellent for Surface Finishing**
316F Stainless Steel Polishing Rods are the industry standard for high-performance surface finishing applications. Made from a superior version of the widely used 316 stainless steel, these rods provide exceptional corrosion resistance, excellent machinability, and superior surface quality. The addition of sulfur in the alloy composition of 316F stainless steel makes these rods particularly suited for polishing, grinding, and fine finishing tasks. Whether you are working in the marine, aerospace, medical, or industrial sectors, 316F polishing rods offer unparalleled durability and smoothness, ensuring your finished products are of the highest quality.
The primary benefit of 316F stainless steel polishing rods is their ability to maintain high dimensional accuracy and provide outstanding surface finishes under harsh processing conditions. This makes them ideal for polishing intricate components, molds, and tools that require clean, flawless, and durable finishes.
Key Features of 316F Stainless Steel Polishing Rods
1. Unmatched Corrosion Resistance
316F stainless steel rods are highly resistant to corrosion, especially in harsh environments such as:
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Saltwater and marine environments
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Acidic and alkaline solutions
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Industrial chemicals and solvents
With the addition of molybdenum, 316F resists pitting and crevice corrosion, making it ideal for aerospace, chemical, food processing, and marine industries, where exposure to corrosive substances is a constant challenge.
2. Superior Machinability for Polishing and Grinding
One of the defining characteristics of 316F stainless steel is its free-machining properties, which are enhanced by the controlled sulfur content. These rods are:
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Easier to machine and polish
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Smoother during polishing due to minimal friction
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Less prone to tool wear, allowing for longer operational life
This makes 316F polishing rods the preferred material for applications requiring high precision and fine finishes.
3. High-Quality Surface Finish
The rods offer a mirror-like finish, free of surface imperfections, making them perfect for high-spec applications that demand clean and polished surfaces. When used in polishing applications, 316F provides:
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Flawless, uniform finishes without pitting or surface defects
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Minimal surface roughness after processing, ensuring smooth components
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Bright and reflective surfaces, ideal for decorative and functional use
4. Excellent Strength and Durability
316F polishing rods retain a high tensile strength and resilience even at elevated temperatures, making them suitable for high-stress environments. They exhibit:
This makes 316F rods ideal for applications where the component is subjected to mechanical stress during polishing or grinding.
5. Hygiene and Easy Maintenance
316F is widely used in industries where hygiene and contamination resistance are crucial. It is naturally:
This is particularly important in food processing, medical, and pharmaceutical industries where surface cleanliness is critical.
Technical Specifications
Here’s a breakdown of the chemical composition and physical properties of 316F stainless steel polishing rods, which make them superior to other materials for surface finishing.
Chemical Composition
| Element |
Content (%) |
| Carbon (C) |
≤ 0.08 |
| Silicon (Si) |
≤ 1.00 |
| Manganese (Mn) |
≤ 2.00 |
| Phosphorus (P) |
≤ 0.045 |
| Sulfur (S) |
0.10–0.30 (free-machining grade) |
| Chromium (Cr) |
16.0–18.0 |
| Nickel (Ni) |
10.0–14.0 |
| Molybdenum (Mo) |
2.0–3.0 |
| Iron (Fe) |
Balance |
Physical Properties
| Property |
Value |
| Density |
7.98 g/cm³ |
| Melting Point |
1375–1400°C |
| Thermal Conductivity |
16.3 W/m·K |
| Specific Heat |
500 J/kg·K |
| Electrical Resistivity |
74 µΩ·cm |
| Modulus of Elasticity |
193 GPa |
| Magnetic Properties |
Non-magnetic in annealed condition |
Mechanical Properties
| Property |
Value |
| Tensile Strength |
≥ 515 MPa |
| Yield Strength |
≥ 205 MPa |
| Elongation |
≥ 40% |
| Hardness |
150–190 HB |
| Impact Toughness |
Excellent |
| Modulus of Elasticity |
193 GPa |
Available Sizes and Tolerances
316F polishing rods are available in a wide range of diameters and lengths to accommodate different industrial needs. Custom dimensions are available upon request.
| Diameter (mm) |
Length (mm) |
Tolerance |
Surface Finish |
| 1.5–6 mm |
100–2000 mm |
±0.005 mm |
Mirror, Polished |
| 7–12 mm |
100–3000 mm |
±0.01 mm |
Satin, Polished |
| 13–25 mm |
100–4000 mm |
±0.02 mm |
Polished, Brushed |
| Custom Sizes |
By request |
Custom |
Custom |
Applications of 316F Stainless Steel Polishing Rods
316F stainless steel polishing rods are used across a variety of industries where surface finish quality, durability, and resistance to corrosion are critical. Below are some key applications:
1. Aerospace and Aviation
In the aerospace sector, 316F polishing rods are used to finish parts that must meet stringent tolerances and high-performance requirements, such as:
The material's high strength and corrosion resistance make it suitable for components exposed to extreme temperatures and corrosive environments.
2. Marine Engineering
The marine industry depends on materials that can withstand saltwater corrosion. 316F is ideal for:
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Propeller shaft polishing
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Marine components and fittings
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Saltwater exposure resistant parts
316F polishing rods provide long-lasting, smooth finishes on parts used in ships, offshore platforms, and submarines.
3. Medical and Pharmaceutical Equipment
In the medical field, the 316F polishing rods are used for components that need to meet sanitary standards:
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Surgical instruments
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Dental equipment polishing
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Medical devices (e.g., implants, syringes)
316F’s resistance to corrosion, ease of cleaning, and high surface quality make it the go-to material for tools and devices in sterile environments.
4. Food and Beverage Industry
316F is a popular choice in the food and beverage industry for producing equipment that must maintain strict hygiene standards:
Its non-reactivity and resistance to tarnishing help maintain cleanliness and ensure that food-grade equipment stays safe and functional.
5. Precision Manufacturing
For industries that require high dimensional accuracy and smooth surface finishes, 316F polishing rods are essential in:
316F allows for consistent, fine finishes, reducing the need for rework and minimizing the chance of surface defects.
Why Choose 316F Stainless Steel Polishing Rods
1. High-Quality Surface Finish
316F stainless steel is capable of producing smooth, reflective finishes that are free from imperfections. This makes it ideal for applications that require not only structural integrity but also aesthetic appeal.
2. Enhanced Durability
316F polishing rods are designed to handle heavy-duty workloads while maintaining their mechanical properties over time. They are resistant to wear, abrasion, and deformation, ensuring long-term use without compromising on performance.
3. Versatile Use Cases
These rods are suitable for a wide range of industrial applications, whether in the aerospace, medical, food processing, or chemical industries. Their versatility and adaptability make them a go-to material for many high-performance manufacturing processes.
4. Customization and Precision
We offer custom sizes and specialized finishes to meet the unique requirements of your project. Whether you need small batches or large-scale production, 316F polishing rods can be tailored to your exact specifications.
5. Cost-Effective Performance
Despite their premium properties, 316F polishing rods provide an excellent balance of cost and performance, making them an economical choice for industries that require both high-quality finishes and durability.



