Rectangular Pipe

Rectangular Pipe Manufacturer, Stockist & Exporter in India – Exotic Metals LLP

Introduction: Structural Versatility and Geometry

At Exotic Metals LLP, our Rectangular Pipes represent the perfect synergy of structural efficiency and aesthetic design. These pipes, often referred to as Rectangular Hollow Sections (RHS), are engineered to provide superior strength-to-weight ratios compared to solid sections. The flat surfaces of a rectangular pipe make it the ideal choice for fabrication, as they offer easy joining, welding, and bolting surfaces that are not possible with standard round piping.

Rectangular Pipe Manufacturer & Supplier in India

Our rectangular pipes are manufactured using advanced cold-forming or hot-finishing techniques, ensuring that the internal radius and external corners are uniform and stress-relieved. As a premier manufacturer and exporter in India, Exotic Metals LLP supplies these sections for high-stakes applications—ranging from solar panel support structures and architectural building frames to heavy-duty industrial conveyor systems. By utilizing high-performance alloys and precision rolling, we ensure our pipes deliver maximum resistance to bending and torsional forces.

Technical Specification Table

Feature Details
Size Range 10mm x 20mm to 400mm x 600mm
Wall Thickness 0.5mm to 25.0mm
Standard Specifications ASTM A554 (Decorative), ASTM A500 (Structural), EN 10219, EN 10210
Length 6 Meters, 12 Meters, or Custom Cut-to-Size
Manufacturing ERW (Electric Resistance Welded), Seamless, or Cold Drawn
Surface Finish Pickled, Polished (Grit 180, 320, 600), Mirror Finish, or Mill Finish
Corner Radius Sharp corners (Cold formed) or Controlled radius (Hot finished)

Primary Types of Rectangular Pipes

Exotic Metals LLP provides specialized rectangular sections tailored to different industrial environments and structural requirements:

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Grade Range: From Standard to Exotic Alloys

We stock and manufacture rectangular pipes in a vast range of materials to meet every environmental challenge

  1. Stainless Steel: 304, 304L, 316, 316L, 316Ti, 310S, 321, 409, 430, 904L.
  2. Duplex & Super Duplex: UNS S31803, S32205, S32750 (For offshore structural frames).
  3. Nickel Alloys: Inconel 625, Monel 400, Hastelloy C276 (For aggressive chemical exhaust systems).
  4. Carbon Steel: S235, S355J2H, ASTM A36, AISI 1018, 1045.
  5. Alloy Steel: 4130 (Chromoly) for high-strength aerospace and racing frames.

Chemical Composition (%)

Representative chemical analysis for our structural and corrosion-resistant grades.

Grade Carbon (C) Chromium (Cr) Nickel (Ni) Molybdenum (Mo) Others
SS 304L 0.03 Max 18.0–20.0 8.0–11.0 Mn: 2.0
SS 316L 0.03 Max 16.0–18.0 10.0–14.0 2.0–3.0 N: 0.10
S355J2H 0.22 Max Mn: 1.60
Duplex 2205 0.03 Max 22.0–23.0 4.5–6.5 3.0–3.5 N: 0.14

Mechanical Properties

Ensuring your components withstand the rigors of industrial use.

Grade Tensile (MPa) Yield (MPa) Elongation (%) Impact Test (Charpy)
SS 304 515 Min 205 Min 40%
SS 316L 485 Min 170 Min 40%
S355J2H 470–630 355 Min 20% 27J @ -20°C
Duplex 2205 655 Min 450 Min 25%

Standard Weight Chart (Theoretical)

Formula: $[(Width + Height) \times 2 / 3.14 - WT] \times WT \times 0.02466 = Weight (kg/m)$.

Size (mm) Wall (mm) Weight (kg/m) Typical Application
40 x 20 2.0 1.73 Furniture & Racks
60 x 40 3.0 4.39 Architectural Framing
100 x 50 4.0 8.96 Vehicle Chassis
150 x 100 6.0 22.10 Industrial Support
200 x 100 8.0 35.10 Building Frameworks
400 x 200 12.0 108.00 Bridge Structural Members

Delivery & Packaging Information

At Exotic Metals LLP, we understand that structural pipes must arrive straight and scratch-free:

  1. Surface Protection: Ornamental stainless steel pipes are provided with individual PE coating or "Laser Film" to prevent surface damage during fabrication and transport.
  2. Secure Bundling: Pipes are strapped into hexagonal or rectangular bundles using high-tensile steel bands with edge protectors.
  3. Export Logistics: International shipments are packed in seaworthy wooden crates or plywood boxes, specifically designed to prevent bending or "bowing" during maritime transit.
  4. Traceability: Every pipe is stenciled with the Heat Number, Size (Length × Width × WT), Grade.
  5. Documentation: All orders are accompanied by a Mill Test Certificate (MTC) as per EN 10204 3.1, along with NDT (Non-Destructive Testing) reports such as Eddy Current or Hydrostatic testing.

Frequently Asked Questions (FAQ)

What is the difference between a Rectangular Pipe and a Rectangular Tube?

In industry terms, "Pipe" usually refers to fluid-conveying sections, while "Tube" (or Hollow Section) refers to structural members. However, for rectangular sections, the terms are often used interchangearily to describe structural profiles measured by their outside dimensions.

Why use Rectangular Pipes instead of I-Beams?

Rectangular pipes provide better torsional (twisting) resistance and have a much cleaner aesthetic. They are also easier to seal, making them ideal for environments where hygiene or corrosion resistance is a priority, as debris cannot sit on a flat internal flange.

Can Exotic Metals LLP provide custom-sized rectangular pipes?

Yes. We can fabricate custom "Box Sections" by welding two C-channels or using specialized folding and welding for non-standard width-to-height ratios.

Are these pipes suitable for outdoor use?

Absolutely. When supplied in grades like SS 316L or hot-dip galvanized carbon steel, our rectangular pipes offer decades of service life in outdoor and coastal environments.