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Material: Mild Steel / Carbon Steel | Cold Drawn Bright Finish Square Bars
Inox Steel India is a trusted manufacturer, supplier, stockist, and exporter of Bright Square Bars, supplying precision cold drawn mild steel and carbon steel square bars for machining, engineering, and component manufacturing applications. Bright square bars are preferred where tight dimensional tolerance, smooth surface finish, and sharp edges are critical for performance and machining efficiency.
Unlike hot rolled square bars, bright square bars are cold finished, resulting in improved mechanical strength, superior surface quality, and consistent dimensions. These properties make bright square bars ideal for CNC machining, shafts, pins, couplings, fasteners, and precision-engineered components.
All bright square bars supplied by Inox Steel India conform to IS, ASTM, and EN standards, ensuring material consistency, traceability, and compatibility with OEM and industrial drawings.
A bright square bar is a solid steel bar with a square cross-section that has been cold drawn or cold finished after hot rolling. This secondary process removes surface scale and improves dimensional accuracy.
Key characteristics of bright square bars include:
These features make bright square bars suitable for applications where appearance, accuracy, and machinability matter.
Inox Steel India follows controlled cold-finishing processes to ensure precision and consistency.
Manufacturing Process Overview:
This process produces dimensionally accurate, smooth, and machinable square bars.
Bright square bars offer functional benefits over hot rolled bars:
These advantages make bright square bars the preferred choice for OEMs and precision fabricators.
Inox Steel India supplies bright square bars in commonly used grades:
🔹 Mild Steel Bright Square Bars
Used for general machining, shafts, and fabricated components.
🔹 Carbon Steel Bright Square Bars
Used where higher strength and wear resistance are required for mechanical parts.
MASTER TECHNICAL DATASHEET – BRIGHT SQUARE BARS
| Parameter | Bright Square Bars |
|---|---|
| Material Category | Mild Steel / Carbon Steel |
| Manufacturing Process | Cold Drawing / Cold Finishing |
| Surface Condition | Bright / Smooth |
| Edge Condition | Sharp & Well-Defined |
| Standard Specifications | IS 2062, IS 1786, ASTM A29, EN 10277 |
| Common Grades | C20, C30, C45, EN8 |
| Carbon Content | Low to Medium |
| Density | 7.85 g/cm³ |
| Tensile Strength | 500 – 700 MPa |
| Yield Strength | ≥ 350 MPa |
| Elongation | ≥ 16 % |
| Hardness | Higher than Hot Rolled |
| Weldability | Good |
| Machinability | Excellent |
| Heat Treatment | Cold Drawn (Stress Relieved) |
| Dimensional Accuracy | High |
| Surface Finish | Smooth & Bright |
| Straightness | High |
| Tolerance | Close / Precision |
| Size Range (Square) | 5 mm – 80 mm |
| Length | Random / Fixed / Cut Length |
| Testing | Chemical, Mechanical |
| Certification | EN 10204 3.1 |
| HSN / HS Code | 7214.20.90 |
| Typical Applications | Machining, Shafts, Components |
Before selecting bright square bars, buyers should consider:
Correct selection ensures accuracy, productivity, and component reliability.
This section provides procurement-ready technical clarity for Bright Square Bars, including standard size charts, weight calculation, indicative pricing in India, testing requirements, and application mapping for machining and precision engineering use.
Inox Steel India supplies bright square bars in precision cold-drawn sizes with close tolerance, suitable for CNC and component manufacturing.
Standard Square Bright Bar Sizes (mm)
5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 25 | 28 | 30 | 32 | 35 | 40 | 45 | 50 | 55 | 60 | 65 | 70 | 75 | 80
Length: Random (3–6 m) or fixed / cut lengths
Tolerance: Close tolerance as per EN 10277 / ASTM A29
Finish: Bright drawn / Cold finished
Frequently demanded sizes include 10mm, 12mm, 16mm, 20mm, 25mm, and 40mm MS bright square bars.
The following square bright bar weight calculator chart helps in estimating material requirement and machining cost.
(Density considered: 7.85 g/cm³)
| Square Size (mm) | Weight (kg/m) |
|---|---|
| 6 × 6 | 0.28 |
| 8 × 8 | 0.50 |
| 10 × 10 | 0.79 |
| 12 × 12 | 1.13 |
| 16 × 16 | 2.01 |
| 20 × 20 | 3.14 |
| 25 × 25 | 4.91 |
| 30 × 30 | 7.07 |
| 40 × 40 | 12.56 |
| 50 × 50 | 19.63 |
| 60 × 60 | 28.26 |
| 80 × 80 | 50.24 |
Covers search intent such as:
square bright bar weight calculator
ms square bar weight
rectangular / square bright bar standard sizes
Pricing depends on size, grade, tolerance, and quantity. Below is an indicative MS bright bar price per kg.
Indicative Price Range (INR/kg – India)
| Material | Approx. Price / Kg (INR) | Typical Use |
|---|---|---|
| MS Bright Square Bar (C20 / EN8) | ₹ 68 – ₹ 88 | Machining, shafts |
| Carbon Steel Bright Square Bar (C45) | ₹ 78 – ₹ 105 | Mechanical components |
Prices vary based on cold drawing cost, tolerance, and order volume.
HSN Code (India): 7214.20.90
HS Code (Export): 7214.20
Applicable for billing, GST, and export documentation.
Bright square bars supplied by Inox Steel India undergo precision-focused quality checks.
Bright square bars are chosen where accuracy, finish, and machinability are essential.
OEMs, machine shops, and fabrication units trust Inox Steel India for precision steel with dependable supply and transparent pricing.
Key Advantages:
Our focus is to supply ready-to-machine steel bars that reduce production time and improve component quality.
| Industry | Application |
|---|---|
| CNC Machining | Shafts, pins, precision parts |
| Automotive & OEM | Linkages, brackets, assemblies |
| General Engineering | Fixtures, tooling, components |
| Equipment Manufacturing | Machine parts, couplings |
| Fabrication Units | Precision frames & supports |
Bright square bars are packed to preserve surface finish and dimensional accuracy.
Packing Standards:
Domestic Supply: Mumbai, Pune, Ahmedabad, Surat, Chennai, Bengaluru
Export Markets: Middle East, Africa, Southeast Asia
If you are looking for precision MS bright square bars with reliable quality and fast delivery, Inox Steel India offers competitive pricing, certified stock, and technical support.
52-A, Mulji Thackersi Bldg, Islampura Street, Shop No. 10, Near Alankar Cinema, Mumbai – 400 004
alloy@inoxsteelindia.in, steel@inoxsteelindia.in
+91 9930796690
Bright bars are cold finished, more accurate, and smoother than hot rolled bars.
Common grades include C20, EN8, and C45.
Standard sizes range from 5 mm to 80 mm, with cut lengths available.
The HSN code is 7214.20.90.
Inox Steel India supplies MS bright square bars with close tolerance. Get size chart, weight calculator, price per kg & certified stock.