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Inox Steel India is a trusted manufacturer, supplier, and exporter of Polished Bright Bars, supplying precision-finished bars for applications where surface finish, dimensional accuracy, and straightness are non-negotiable. Our polished bright bars are widely used in CNC machining, hydraulics, automotive, oil & gas, marine, and aerospace industries across India and global export markets.
Polished bright bars are engineered for components that demand a smooth, defect-free surface and tight tolerances, ensuring superior performance in rotating, sliding, and sealing applications. At Inox Steel India, we use controlled grinding and polishing processes to achieve uniform finish and consistent quality across every bar supplied.
Polished Bright Bars are precision bars produced by further grinding and polishing cold drawn or hot-rolled bars, resulting in improved surface quality and enhanced dimensional control.
Manufacturing Process Flow:
1️⃣ Hot Rolled or Cold Drawn Bar Selection
2️⃣ Straightening & Surface Preparation
3️⃣ Precision Grinding / Polishing
4️⃣ Diameter & Roundness Control
5️⃣ Cutting to Length
6️⃣ Final Inspection & Surface Finish Testing
This process produces bright bars with mirror-like finish, excellent straightness, and low ovality, ideal for high-precision engineering applications.
Key Advantages of Polished Bright Bars
✔ Smooth, mirror-like surface finish
✔ Tight dimensional tolerances (h8 / h9 / h10)
✔ Excellent roundness and straightness
✔ Reduced friction in moving parts
✔ Lower wear on seals and bearings
✔ Minimal secondary machining required
| Parameter / Property | Polished Bright Bars |
|---|---|
| Product Type | Polished Bright Bars |
| Manufacturing Process | Hot Rolled / Cold Drawn Bar → Grinding / Polishing → Straightening → Cutting |
| Available Materials | Carbon Steel · Alloy Steel · Stainless Steel · Duplex · Tool Steel · Nickel Alloy · Copper · Brass · Titanium |
| Common Grades | EN8, EN9, C45 · EN19, EN24, 4140 · SS 304/316/303 · Duplex 2205 · D2/H13 · Inconel 625 · Monel 400 · Cu/CuZn · Ti Gr 2/5 |
| Applicable Standards | ASTM · EN · DIN · IS · ASME |
| Forms Available | Round Bright Bars (Primary) |
| Diameter Range (Round) | 6 mm – 150 mm |
| Standard Length | 3 – 6 meters |
| Custom Cut Lengths | As per drawing / requirement |
| Dimensional Tolerances | h8 / h9 / h10 |
| Straightness | ≤ 1 / 1000 of length |
| Surface Finish (Ra) | ≤ 0.8 – 1.6 µm (Mirror-like Finish) |
| Roundness | Excellent (Low Ovality) |
| Surface Quality | Free from Scale, Scratches, Laps and Surface Defects |
| Mechanical Properties | Uniform Along Length |
| Machinability | Excellent |
| Heat Treatment Condition | As Drawn / Annealed / Q&T (Material Dependent) |
| Testing Performed | Chemical · Mechanical · Dimensional · Surface Finish |
| Certification | EN 10204 3.1 / 3.2 |
| HSN / HS Code | 7228 / 7222 / 7505 / 7407 / 8108 (Material Dependent) |
| Typical Applications | Shafts, Hydraulic Rods, Spindles, Precision Components |
| Industries Served | CNC Machining · Automotive · Hydraulics · Oil & Gas · Aerospace |
| Packaging | HDPE Wrap · Wooden Pallets · Export Seaworthy |
Polished Bright Bars from Inox Steel India are available in a wide range of materials:
All supplies are accompanied by EN 10204 3.1 / 3.2 Mill Test Certificates for full traceability.
Applications of Polished Bright Bars
Polished Bright Bars supplied by Inox Steel India are used where surface integrity, dimensional accuracy, and smooth finish directly impact component performance. These bars are especially critical for rotating, sliding, and sealing applications where rough surfaces can cause wear, leakage, or vibration.
Typical Applications Include:
Size Range & Dimensional Capabilities
Inox Steel India supplies polished bright bars in tight tolerance ranges, ensuring minimal machining and superior fitment.
These specifications ensure excellent roundness, low friction, and long service life.
Polished bright bars offer measurable performance advantages over cold drawn or hot rolled bars:
These benefits make polished bright bars ideal for hydraulic, automotive, and precision engineering applications.
Indicative Polished Bright Bar Price (INR & USD)
| Material Type | Approx. Price (INR / kg – Ex-Mumbai) | Approx. Price (USD / kg – FOB India) |
|---|---|---|
| Carbon Steel | ₹ 95 – ₹ 140 | $ 1.15 – $ 1.70 |
| Alloy Steel | ₹ 140 – ₹ 220 | $ 1.70 – $ 2.65 |
| Stainless Steel | ₹ 260 – ₹ 380 | $ 3.10 – $ 4.60 |
| Duplex / Super Duplex | ₹ 450 – ₹ 950 | $ 5.40 – $ 11.40 |
Prices vary based on grade, diameter, tolerance, and surface finish requirement.
HSN / HS Code
Testing & Quality Assurance
All polished bright bars undergo strict inspection to ensure surface and dimensional accuracy:
Supplies are delivered with EN 10204 3.1 / 3.2 Mill Test Certificates.
Inox Steel India is a reliable manufacturer, supplier, and exporter of Polished Bright Bars, supplying precision-finished bars for applications where surface quality, straightness, and dimensional accuracy directly affect component performance and lifespan. Our polished bright bars are preferred by OEMs, hydraulic equipment manufacturers, and CNC machining units for their consistent quality and superior finish.
Our Core Strengths:
✅ Manufacturer & bulk stockholder
✅ Wide material range: Carbon, Alloy, Stainless, Duplex, Tool Steel, Nickel, Copper, Titanium
✅ Mirror-like surface finish (Ra ≤ 0.8 – 1.6 µm)
✅ Tight tolerances: h8 / h9 / h10
✅ Excellent straightness and roundness
✅ Custom cut lengths for CNC & hydraulic use
✅ EN 10204 3.1 / 3.2 certification
✅ Competitive domestic & export pricing
✅ Export-grade packaging & documentation
Industries & Applications We Serve
| Industry | Typical Components |
|---|---|
| Hydraulics & Pneumatics | Piston rods, cylinder shafts |
| Machining & CNC | Precision shafts, spindles |
| Automotive | Steering & suspension parts |
| Oil & Gas | Valve spindles, actuator rods |
| Marine & Offshore | Corrosion-resistant shafts |
Polished bright bars are selected where surface finish and straightness directly influence sealing, wear, and operational efficiency.
They are commonly used in hydraulic cylinders, precision shafts, CNC components, and automotive parts. Typical surface roughness ranges from Ra ≤ 0.8 to 1.6 µm. Polished bars offer superior surface finish and roundness, making them ideal for sealing and rotating applications. Yes, custom cut lengths are supplied as per drawing or application requirement. HSN codes depend on material and include 7228, 7222, 7505, 7407, and 8108. Where are polished bright bars used?
What surface roughness is achieved in polished bright bars?
Are polished bright bars better than cold drawn bars?
Do you supply custom cut lengths?
What is the HSN code for polished bright bars?