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ASTM A36 Structural Steel Plates – Mild Carbon Steel Sheets

Hindustan Steel Corporation offers ASTM A36 structural steel plates—a globally recognized mild carbon steel used for its excellent weldability, formability, and structural strength. A36 plates are extensively used in the fabrication of bridges, frames, tanks, construction equipment, and PEB buildings due to their balanced mechanical performance and cost-efficiency.

We supply cut-to-size ASTM A36 plates in various thicknesses, meeting international export and mill certification requirements.

Table of Contents

What is ASTM A36 Steel? Composition, Strength & Uses

ASTM A36 is a low-carbon, hot-rolled structural steel grade defined by the American Society for Testing and Materials (ASTM). Known for its versatility, A36 combines moderate strength with excellent machinability and weldability.

  • Carbon content: up to 0.26%
  • Yield Strength: min 250 MPa (36 ksi)
  • Tensile Strength: 400–550 MPa
  • Weldable using standard processes (MIG, TIG, SMAW)
  • Cold and hot forming compatible

A36 is widely used across civil, mechanical, and industrial applications, making it one of the most stocked steel grades in the global market.

Where Are A36 Plates Used in Industry & Fabrication?

Due to its strength, ease of cutting/welding, and cost-efficiency, ASTM A36 is a preferred material in:

  • Bridge Construction & Infrastructure
  • PEB Buildings & Steel Frame Structures
  • Storage Tanks & Heavy Equipment
  • Shipbuilding & Offshore Bracing
  • Transmission Towers & Fabricated Platforms
  • Machinery Components & Automotive Bases
  • Railway Coaches, Wagons, and Chassis

It is ideal for both static load-bearing and mildly dynamic structures.

ASTM A36 Mechanical & Chemical Properties Explained

Property Value
Yield Strength ≥ 250 MPa (36 ksi)
Tensile Strength 400 – 550 MPa
Elongation ≥ 20% in 200 mm gauge length
Hardness (Brinell) ~119 – 180 HB
Weldability Excellent – No preheating for thin plates
Chemical Composition C ≤ 0.26%, Mn 0.60–0.90%, P ≤ 0.04%, S ≤ 0.05%

Plates are generally supplied in as-rolled condition, but can also be stress-relieved or normalized on request.

ASTM A36 Standard Specification & Equivalent Grades

ASTM A36 is governed by the ASTM A36/A36M standard and is globally recognized as the benchmark for mild carbon structural steel. It is often cross-referenced with the following equivalents:

ASTM A36 Equivalent Standard Notes
IS 2062 E250 BIS (India) Closest Indian match
EN 10025 S235JR European EN Widely used across Europe
JIS SS400 Japanese JIS Equivalent in strength & chemistry
GB Q235B Chinese GB Similar in mechanical profile

Due to its international acceptance, A36 is a universal choice in fabrication where cost, strength, and weldability matter.

Plate Thickness, Widths & Supply Range Available

We stock and supply ASTM A36 plates in a wide range of sizes and tolerances, including:

  1. Thickness: 3 mm to 150 mm
  2. Width: 1000 mm to 2500 mm
  3. Length: 6000 mm, 12000 mm, or custom-cut
  4. Edge Condition: Mill Edge / Sheared Edge
  5. Finish: Hot Rolled / Shot Blasted + Primer Coated (optional)

Plates can be cut to size, beveled, and even profiled with CNC/plasma upon request.

Welding, Cutting & Machining A36 Mild Steel Plates

One of A36’s biggest advantages is its ease of fabrication. It performs well in:

  • Welding: Excellent with SMAW, GMAW, TIG, and FCAW
  • Cutting: Works with oxy-fuel, plasma, waterjet, or mechanical saws
  • Machining: Compatible with standard turning, drilling, or milling tools
  • Forming/Bending: Good ductility makes it suitable for rolling, folding, and brake press

Preheating is not mandatory for thin to moderate thicknesses, saving cost and time.

A36 vs IS 2062 vs EN 10025 – Which One to Choose?

Feature ASTM A36 IS 2062 E250 EN 10025 S235JR
Yield Strength ≥ 250 MPa ≥ 250 MPa ≥ 235 MPa
Standard Authority ASTM (USA) BIS (India) EN (Europe)
Weldability Excellent Excellent Excellent
Global Acceptance High Medium High
Charpy Impact Not specified Optional 27J @ 20°C
  • Use A36 when sourcing from global vendors or for export-compatible fabrication.
  • IS 2062 is ideal for domestic use, while EN 10025 suits CE-compliant projects.

Why Buy ASTM A36 Plates from Hindustan Steel?

Buyers trust us because we offer:

  • Ready Stock in ASTM A36 across standard & custom thicknesses
  • 3.1 Mill Test Certificates (MTC) with every dispatch
  • Cut-to-size, Edge Prep & Surface Treatment Services
  • PAN India Dispatch from Mumbai, Ahmedabad, Chennai, Raipur
  • Export-Grade Packaging & CE-Equivalent Submissions
  • Competitive Pricing & Guaranteed Delivery Timelines

We serve PEB fabricators, EPC contractors, oil & gas, tower manufacturers, and more.

ASTM A36 Steel Sheet Applications in Global Markets

A36 plates are the default structural choice in:

  • Steel Bridges & Trusses
  • Steel Frames for Warehouses & Commercial Buildings
  • Ship Decks, Braces & Offshore Structures
  • Earthmoving & Agricultural Equipment
  • Rail Wagons, Tracks & Transport Infrastructure
  • Oil Tank Shells, Ducting, Dished Ends
  • Heavy Fabrication, Machine Bases, and Press Frames

Its strength, machinability, and wide acceptance make it a go-to material for both small fabricators and large EPCs.

Exporter of A36 Steel Plates to UAE, Africa, Southeast Asia

Hindustan Steel Corporation is a reliable exporter of ASTM A36 structural steel plates to global infrastructure and fabrication zones. We ship regularly to:

  • UAE, Oman, and Qatar – for civil infrastructure and PEB structures
  • South Africa, Kenya, Nigeria – for machinery and trailer components
  • Vietnam, Thailand, Philippines – for telecom and utility towers
  • Bangladesh and Sri Lanka – for cost-effective fabrication

Our A36 plates are exported with full EN 10204 3.1 MTCs, ULTRASONIC tested material, and custom packaging (with or without coatings) for marine conditions.

How to Choose ASTM A36 for Your Structural Project

ASTM A36 is perfect for buyers who need:

  • A globally accepted steel grade with standard certification
  • Reliable weldability and forming ability
  • Balanced strength, ductility, and price
  • Compatibility with IS 2062 or EN 10025-based drawings
  • Cut-to-size plates for quick PEB or infra fabrication

Pro tip: Use A36 where impact testing isn’t mandatory but consistency and strength are.

Certifications, Testing & Quality Compliance

All our A36 plates come with:

  • ASTM A36 Standard Compliance
  • EN 10204 3.1 / 3.2 Mill Test Certificates
  • Ultrasonic Testing (UT) – Level 2 or 3
  • Third-Party Inspection (TPI) – BV, SGS, Lloyd’s, etc.
  • CE Equivalent Grades on Request
  • Surface Treatment: Shot blasting, primer, or zinc coatings available

We also support custom testing and inspection as per buyer or project specs.

FAQs for ASTM A36 Steel Strength, Uses, and Grades

No, it’s a mild steel with moderate strength (250 MPa yield), suitable for low to moderate stress applications.

C ≤ 0.26%, Mn 0.60–0.90%, P ≤ 0.04%, S ≤ 0.05%, Si ≤ 0.40%

Yes, it has excellent weldability, formability, and machinability, even for large structures.

Yes, both are considered equivalents for fabrication, with similar yield and tensile strength.

Typically ranges from 119–180 HB, depending on processing and thickness.

Yes, but only if impact resistance is not critical. Otherwise, use grades like S355J2 or A572.

Generally no, especially for thinner sections. Preheat may be considered for thicker plates or constrained joints.

5 mm to 150 mm, with widths up to 2500 mm and custom lengths up to 12 meters.

Yes, we offer CNC plasma, laser, and oxyfuel profile cutting based on customer drawings.

Yes. Surface finishes like red oxide primer, zinc silicate, or blasted clean SA2.5 are available.

Yes, it’s widely accepted with proper MTCs and CE-equivalent grading.

Density: 7.85 g/cm³. Plate weight = Thickness (mm) × Width (m) × Length (m) × 7.85

Mill test certificate, heat number, packing list, invoice, and country-of-origin certificate (on request).

No strict MOQ. We accept both project-based bulk orders and retail cut-size requirements.

Get ASTM A36 Plate Price per Kg – Bulk Orders & Cut Sizes

Looking for the latest A36 pricing?

  • Thickness Range: 5 mm to 100 mm
  • Size: Standard & cut-to-size
  • Price Range: ₹58 – ₹72/kg (varies by thickness & volume)
  • MOQ: Flexible – Small or bulk orders accepted
  • Dispatch from: Mumbai, Ahmedabad, Chennai, Hyderabad

Call us or use the form below to get a same-day quotation with technical support.

Call Now

+91-22-66159018
+91-9820944724

Email

sales@hindustansteel.com hindustansteel1@gmail.com

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