Structural Sections

Angles, Channels & Beams for Structures

Equal and unequal angles, C-channels, I-beams and H-beams for construction, frames and supports — in structural carbon steel and stainless steel.

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Steel angles, channels and beams
IS 2062 · ASTM A36IS 808
Structural SectionsConstruction, frames and supports
4 SectionsAngle · Channel · I-Beam · H-Beam
IS · ASTM · ENStructural grades
MTCEN 10204 3.1 / 3.2
Heat No.Marked and traceable
Overview

Sections That Carry the Load

Structural sections are chosen for strength, stiffness and weight per metre — so the section designation and grade must be specified exactly.

We supply angles, channels, I-beams and H-beams for buildings, platforms, frames, supports and equipment skids. Sections are ordered by designation, grade and length, and are supplied with their mill test certificate.

If you are working from a drawing or a bill of quantities, send it across and we will match the sections to the specification.

  • Equal & unequal angles
  • C-channels, I-beams & H-beams
  • Carbon steel & stainless
  • Cut-to-length on request
Product Range

Four Sections, Four Jobs

The shape decides how the section resists bending, compression and twisting.

01

Angles

L-shaped sections with equal or unequal legs. Used for bracing, frames, supports and edging.

Best for · Bracing, frames, racks
02

Channels

C-shaped sections with a flat web and two flanges. Used for purlins, frames and supports.

Best for · Purlins, supports, trailers
03

I-Beams

Sections with a narrow flange and tall web, efficient in bending along their major axis.

Best for · Girders, floor beams, gantries
04

H-Beams

Wide-flange sections with equal-width flanges. Strong in bending and as columns.

Best for · Columns, heavy framing
Specifications

Common Specifications We Supply Against

Governing standards for each material family. Tell us the one on your purchase order.

Material / ProductSpecificationTypical GradesNotes
Structural steel (India)IS 2062E250 (Gr A / B / C) · E300 · E350 · E410Hot-rolled medium and high tensile structural steel
Structural carbon steel (ASTM)ASTM A36A36General structural use
High-strength low-alloyASTM A572Grade 50Higher strength structures
Wide-flange shapesASTM A992A992W-shaped sections for buildings
Structural steel (Europe)EN 10025-2S235JR · S275JR · S355JRNon-alloy structural steels
Stainless angles & shapesASTM A276 · A479304 · 304L · 316 · 316LBars and shapes in stainless steel

Section dimensions: IS 808 (beam, column, channel and angle), IS 12778 (parallel-flange sections), EN 10056 (angles), EN 10034 (I and H sections), ASTM A6 (general requirements). Availability depends on section and length.

  • Grades we supply:
  • IS 2062 E250
  • IS 2062 E350
  • ASTM A36
  • ASTM A572 Gr 50
  • EN S235JR
  • EN S355JR
  • SS 304 / 304L
  • SS 316 / 316L
Designations

Reading IS Section Designations

The letters tell you the section type and weight series.

DesignationStands forSection
ISAIndian Standard AngleEqual and unequal angles
ISMC · ISLCMedium · Light weight ChannelC-channels
ISMB · ISLB · ISWBMedium · Light · Wide-flange BeamI-beams
ISHBHeavy-weight column sectionH-type columns
ISJB · ISJCJunior Beam · Junior ChannelLight sections
Applications

Where Angles / Channels / Beams Are Used

The industries that most often specify this product.

  • 01Building Construction
  • 02Infrastructure
  • 03Industrial Sheds
  • 04Fabrication
  • 05Oil & Gas
  • 06Power
  • 07Transport
  • 08Marine
Enquiry Checklist

Six Details Make a Complete Enquiry

Send these with your request and we can quote without going back and forth.

  1. 1

    Section

    Angle, channel, I-beam or H-beam, and the designation or size.

  2. 2

    Grade

    For example IS 2062 E250, A36 or stainless 304.

  3. 3

    Standard

    IS, ASTM or EN, and the dimensional standard.

  4. 4

    Length & quantity

    Standard length, cut length, and total weight or pieces.

  5. 5

    Finish

    Black, hot-dip galvanised or painted.

  6. 6

    Documents & testing

    MTC 3.1 or 3.2, or third-party inspection.

Certificates & Testing With Every Order

Mill test certificates to EN 10204 3.1 / 3.2, PMI, hydro and NDT testing, and third-party inspection can be arranged. Read how every order is checked.

Quality Policy
FAQ

Angles / Channels / Beams: Common Questions

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An H-beam has wider flanges relative to its web height, so it is stronger in compression and better suited to columns. An I-beam has narrower flanges and is efficient in bending, so it is often used as a girder or floor beam.

They are Indian Standard designations from IS 808: ISMB is a Medium-weight Beam, ISMC a Medium-weight Channel and ISA an Angle. A number follows to give the section depth in mm, for example ISMB 200.

They are similar mild structural steels with a minimum yield strength of about 250 MPa, but they are different specifications with different chemistry and test requirements. Always order to the specification named in your design.

Sections are supplied with a mill test certificate. Ask for EN 10204 3.1 or 3.2 when you enquire. See our Quality Policy.