Polished Hex Bars Manufacturer, Supplier & Exporter – Inox Steel India
Inox Steel India is a manufacturer, supplier, and exporter of polished hex bars, supplying to precision engineering, pharmaceutical, food processing, decorative fabrication, and high-finish industrial sectors across India, GCC countries, the Middle East, Africa, Europe, and the Americas.
Polished hex bars are produced through precision grinding and centerless polishing, resulting in very high dimensional accuracy, smooth surface finish, and uniform appearance. This makes polished hex bars suitable for applications where surface quality, straightness, and close tolerance are critical.
Inox Steel India supplies polished hex bars across carbon steel, alloy steel, stainless steel, duplex, tool steel, nickel alloys, titanium, and copper alloy grades, processed to meet applicable ASTM, ASME, EN, DIN, and IS standards.
Polished hex bars are solid hexagonal bars that undergo secondary finishing operations after hot rolling, forging, or cold drawing. The polishing process removes surface irregularities and achieves a fine, consistent surface roughness suitable for precision and aesthetic applications.
Polished hex bars are commonly used where minimal machining, visual finish, and dimensional stability are required.
Manufacturing Steps:
1️⃣ Selection of Bright / Machined Base Bar
Base bars are selected based on material grade and dimensional requirement.
2️⃣ Precision Grinding / Centerless Polishing
Bars are polished to achieve tight tolerance and low surface roughness.
3️⃣ Straightening
Polishing improves straightness and dimensional consistency.
4️⃣ Heat Treatment (Where Required)
Annealing, quenching & tempering, or solution annealing is applied depending on material grade.
5️⃣ Cutting to Length
Bars are cut to standard or custom lengths.
6️⃣ Final Inspection
Surface finish, dimensional accuracy, and material verification are carried out prior to dispatch.
These characteristics make polished hex bars ideal for high-quality and finish-sensitive components.
🧩 Materials Available in Polished Hex Bars
Polished hex bars can be supplied in a wide range of materials, including:
Material selection depends on mechanical requirements, corrosion resistance, and surface finish expectations.
MASTER TECHNICAL DATA SHEET:
Polished Hex Bars
| Parameter | Polished Hex Bars |
|---|---|
| Product Form | Hexagonal Bars (Solid) |
| Manufacturing Process | Precision Grinding / Centerless Polishing |
| Base Material Condition | Bright / Cold Drawn / Machined |
| Applicable Materials | Carbon Steel, Alloy Steel, Stainless Steel, Duplex, Tool Steel, Nickel Alloy, Titanium, Copper Alloys |
| Standards (Material Dependent) | ASTM / ASME / EN / DIN / IS |
| Surface Finish (Ra) | ≤ 0.8 µm (Typical) |
| Appearance | Smooth, Shiny, Scratch-Free |
| Edge Condition | Sharp & Defined |
| Supply Condition | Polished / Polished + Heat Treated (Material Dependent) |
| Heat Treatment Options | Annealed / Q&T / Solution Annealed (Material Dependent) |
| Dimensional Accuracy | Very High (Precision Tolerance) |
| Straightness | Excellent |
| Surface Scale | None |
| Across Flats (AF) Size Range | 6 mm – 60 mm |
| Smaller Precision Sizes | Available on Request |
| Standard Lengths | 3 m / 6 m |
| Custom Cut Lengths | Available |
| Machinability | Excellent |
| Weldability | Material Dependent |
| Corrosion Resistance | Material Dependent |
| Typical Weight Basis | Calculated on AF dimension |
| Testing | Chemical, Mechanical, Surface Finish |
| Certification | EN 10204 3.1 / 3.2 (on request) |
| HSN / HS Code | As per Base Material |
| Typical Applications | Precision Components, Decorative, Pharma |
| Packaging |
When selecting polished hex bars, the following parameters should be evaluated:
1️⃣ Surface Finish Requirement (Ra Value)
2️⃣ Tolerance and Straightness Requirement
3️⃣ Material Grade and Corrosion Resistance
4️⃣ Machining vs Direct Use
5️⃣ Application Environment
Correct selection ensures functional performance and premium visual quality.
🌍 Usage & Demand Overview
In India, polished hex bars are widely used by pharmaceutical equipment manufacturers, food-grade machinery producers, decorative fabricators, and precision machining units, particularly in industrial regions such as Mumbai, Pune, Ahmedabad, and Chennai.
Export demand is driven by process equipment, cleanroom applications, and high-finish industrial components requiring certified and polished bar stock.
Polished hex bars supplied by Inox Steel India are selected for applications where surface finish, dimensional precision, and straightness are critical. These bars are commonly used where components are either used directly without heavy machining or require minimal finishing operations.
🧩 Applications by Use Case
Precision Engineering & CNC Components
Service Use: Tight tolerance and smooth surface for high-accuracy components.
Typical Applications: Precision fasteners, connectors, shafts, fittings.
Industry Sectors: Precision Engineering | CNC Machining | OEM Manufacturing
Pharmaceutical, Food & Clean Applications
Service Use: Clean, smooth surface with controlled finish.
Typical Applications: Pharma equipment parts, food-grade machinery components, cleanroom fittings.
Industry Sectors: Pharmaceutical | Food Processing | Clean Utilities
Decorative & Architectural Applications
Service Use: Visual appearance and surface aesthetics.
Typical Applications: Decorative fasteners, architectural fittings, exposed components.
Industry Sectors: Architectural | Decorative Fabrication | Interior Applications
Polished hex bars are supplied in standard metric hex bar sizes with precision tolerances.
(Refer to standard hex bar sizes in mm PDF and hex bar size chart in mm India for complete dimensional details.)
⚖ Polished Hex Bar Weight Chart (Indicative)
| AF Size (mm) | Approx. Weight (kg/m) |
|---|---|
| 6 | 0.25 |
| 8 | 0.43 |
| 10 | 0.68 |
| 12 | 0.98 |
| 16 | 1.74 |
| 20 | 2.72 |
| 25 | 4.25 |
| 30 | 6.11 |
| 40 | 10.86 |
| 50 | 16.90 |
| 60 | 24.60 |
Weights are indicative and may vary slightly based on polishing allowance and base material.
💰 Polished Hex Bars Price (Indicative – India)
| Material Category | Approx. Price Range (INR / kg) |
|---|---|
| Carbon / Alloy Steel | ₹ 140 – ₹ 280 |
| Stainless / Duplex | ₹ 320 – ₹ 650 |
| Special Alloys | On Request |
Prices depend on material grade, size, surface finish requirement (Ra), polishing process, and quantity.
HSN Code: As per base material
(Commonly 7215 / 7228 / 7222 / 8108 / 7505 depending on alloy category)
🧪 Testing & Quality Inspection
Polished hex bars are inspected with emphasis on surface finish, straightness, and dimensional accuracy.
Testing includes:
Material can be supplied with EN 10204 3.1 / 3.2 certification on request.
Inox Steel India supplies polished hex bars with controlled finishing processes, close tolerances, and documented traceability for applications where surface quality and dimensional precision are critical. Each batch is processed and inspected to ensure consistency in finish, straightness, and geometry.
Key supply features:
Typical surface roughness is Ra ≤ 0.8 µm, with finer finishes available on request. Yes, many applications use polished hex bars directly due to their finish and accuracy. Yes, polished hex bars can be supplied in custom cut lengths as per requirement. Material can be supplied with EN 10204 3.1 / 3.2 test certification on request. What surface finish can be achieved on polished hex bars?
Are polished hex bars suitable for direct use without machining?
Are custom cut lengths available?
Is test certification provided with supply?
🧩 Industries Served
Polished hex bars are supplied to the following industries:
Material and finish selection is aligned with functional requirements, visual standards, and regulatory compliance.
📦 Packaging & Supply
Polished hex bars are packed and dispatched with special care to preserve surface finish and straightness.
Dispatch supported through JNPT (Mumbai), Mundra, and Hazira ports for export shipments.