Hexagon Bar

Hexagon Bar Manufacturer, Stockist & Exporter in India – Exotic Metals LLP

Introduction: The Foundation of Precision Engineering

At Exotic Metals LLP, we stand as a distinguished manufacturer and global supplier of high-performance Hexagon Bars (also known as Hex Bars). These six-sided solid sections are the cornerstone of the fastener and fluid power industries. Unlike traditional round bars, the hexagonal geometry offers a unique mechanical advantage, providing multiple flat surfaces that allow for maximum torque application through wrenches and automated tooling.

Hexagon Bar Manufacturer & Supplier in India

Our Hexagon Bars are produced using state-of-the-art cold-drawing and hot-rolling technologies. We prioritize metallurgical integrity, ensuring that every bar possesses uniform hardness and excellent internal soundness. Whether you require free-machining grades for high-speed mass production or high-corrosion-resistant alloys for offshore environments, our inventory is curated to meet the most stringent engineering specifications. As a trusted exporter in India, we ensure that our hex bars provide the "Across Flats" (A/F) precision required for seamless integration into CNC machining centers and automatic screw machines.

Technical Specification Overview

Feature Details
Size Range (Across Flats) 4mm to 100mm (1/8” to 4”)
Standard Specifications ASTM A276, A479, A484, ASME SA276, SA479, ASTM B164, B166
Length 3 Meters, 6 Meters, or Custom Cut-to-Length (up to 12 meters)
Tolerances h10, h11, h12, k12, or DIN 1015
Condition Cold Drawn, Bright, Centerless Ground, Annealed, Solution Annealed
Surface Finish Cold Finished (Bright), Polished, Peeled, or Pickled
Straightness 0.5mm to 1.5mm per meter (Higher precision available on request)

Comprehensive Types of Hexagon Bars

To cater to various industrial demands, we categorize our hexagon bars based on their manufacturing process and surface treatment:

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Material Grade Range

We stock and manufacture Hexagon Bars in a massive variety of alloys to ensure performance in every environment:

  1. Stainless Steel: 201, 202, 303 (Free Machining), 304, 304L, 316, 316L, 316Ti, 317L, 321, 310, 310S, 347, 410, 416, 420, 430, 431, 446.
  2. Duplex & Super Duplex: UNS S31803, S32205, S32750, S32760, F51, F53, F55.
  3. High Nickel Alloys: Inconel 600, 625, 718, Monel 400, K500, Hastelloy C276, C22, B2, Alloy 20.
  4. Titanium Alloys: Grade 2, Grade 5 (Ti-6Al-4V), Grade 7.
  5. Carbon & Alloy Steel: EN1A, EN8, EN9, EN19, EN24, 1018, 1045, 4140, 4340.

Chemical Composition (%)

An overview of the chemical makeup of our highest-selling hex bar grades.

Grade C (Max) Mn (Max) Cr Ni Mo S/P (Max)
SS 303 (Free-Cut) 0.15 2.00 17.0–19.0 8.0–10.0 0.60 S: 0.15 Min
SS 316L 0.03 2.00 16.0–18.0 10.0–14.0 2.0–3.0 0.045 / 0.03
Alloy 400 0.30 2.00 63.0 Min Cu: 28–34
EN1A 0.15 1.20 S: 0.30

Mechanical Properties

Our hex bars are tested to ensure they meet the mechanical stress requirements of modern engineering.

Grade Tensile (MPa) Yield (MPa) Elongation (%) Hardness (HRB/HB)
SS 304/L 515 Min 205 Min 40% 92 HRB Max
SS 316/L 485 Min 170 Min 40% 95 HRB Max
Duplex 2205 655 Min 450 Min 25% 290 HB Max
Inconel 625 827 Min 414 Min 30% 220 HB Max

Standard Weight Chart (Theoretical)

Use this chart to estimate the weight of your shipment. Formula: $Width Across Flats (mm)^2 \times 0.0068 = Weight (kg/m)$.

Size (mm) Size (inches) Weight (kg/meter) Weight (kg/6m)
6 mm 1/4" 0.24 1.44
10 mm 3/8" 0.68 4.08
12.7 mm 1/2" 1.10 6.60
19.05 mm 3/4" 2.47 14.82
25.4 mm 1" 4.39 26.34
38.1 mm 1.5" 9.87 59.22
50.8 mm 2" 17.55 105.30
75 mm 3" 38.25 229.50

Delivery & Packaging Information

Exotic Metals LLP understands that the precision of a hexagon bar lies in its edges. We take extreme care in our logistics process:

  1. Protective Bundling: Hex bars are arranged in hexagonal bundles to prevent surface-to-surface impact and maintain the sharpness of the corners.
  2. Surface Preservation: For bright or polished bars, we provide individual plastic sleeve wrapping (LDPE) to prevent scratches during handling.
  3. Corrosion Resistance: For carbon steel and alloy grades, we apply a high-grade rust-preventative oil and wrap the bundles in moisture-proof HDPE fabric.
  4. Sea Worthy Packaging: For international exports, materials are housed in robust wooden boxes or reinforced steel frames, ensuring they arrive at your facility in pristine condition.
  5. Full Traceability: Every bundle is tagged with a unique batch number, heat number, and grade. We provide Mill Test Certificates (MTC) as per EN 10204 3.1 with every delivery.

Frequently Asked Questions (FAQ)

Why use a Hexagon Bar instead of a Round Bar?

Hexagon bars are preferred when the final part needs to be turned with a wrench or used in a clamping system. They are the primary stock for making nuts, bolts, and valve bodies where flat sides are essential for mechanical grip.

Does Exotic Metals LLP provide "Across-Flats" customization?

Yes. While we have a massive stock of standard metric and imperial sizes, we can provide custom grinding services to achieve non-standard "Across Flats" dimensions for specialized engineering projects.

What is the benefit of the SS 303 grade in hex bars?

SS 303 is the "Free-Machining" version of 304. Because hex bars are almost always machined into fasteners, using 303 allows for much faster production speeds and longer tool life on automatic lathes.

Can you ship small quantities internationally?

We cater to both massive industrial orders and smaller prototype requirements. We have logistics partnerships that allow us to ship LCL (Less than Container Load) or air freight globally.

Do you offer third-party testing?

Yes, we frequently work with TPI agencies such as DNV, Lloyds, TUV, and SGS to verify chemical, mechanical, and ultrasonic properties as per customer demand.