EDD Carbon Steel: Properties, Composition, Applications & Leading Suppliers in India

EDD carbon steel, short for Extra Deep Drawing Steel, is a low-carbon, cold-rolled steel grade specifically designed for complex forming operations. It is used where superior formability, excellent surface finish, and consistent mechanical properties are critical—particularly in the automotive and appliance manufacturing sectors.

This detailed guide covers everything you need to know about EDD carbon steel, including its chemical composition, mechanical properties, forming capabilities, equivalent grades, applications, and where to source it from top suppliers in India.

🔍 What is EDD Carbon Steel?

EDD (Extra Deep Drawing) carbon steel is a low-carbon cold-rolled steel that offers exceptional drawability, making it ideal for deep or extra-deep drawn parts. It features high ductility, superior surface quality, and excellent dimensional accuracy, and is commonly produced through vacuum degassing or interstitial-free (IF) processing to eliminate impurities like nitrogen and carbon.

It belongs to the class of drawing quality steels like DD (Drawing Quality), DDD (Deep Drawing Quality), and IF (Interstitial Free), but provides enhanced formability for complex stamping operations.

🧪 Chemical Composition of EDD Carbon Steel

(Typical values for cold-rolled EDD grade as per IS 513 / JIS G3141 / equivalent standards)

✅ The ultra-low carbon content is essential for deep drawing capability without cracks or splits.

⚙️ Mechanical Properties of EDD Carbon Steel

(Cold Rolled Condition – typical values)

💡 These values may vary slightly depending on standards (IS 513, JIS G3141, EN 10130).

🔥 Formability and Surface Finish

EDD steel offers:

• 🌟 Outstanding drawability for deep or complex shapes

• 🔩 Good weldability with standard techniques

• 🎨 Superior surface finish for post-processing (coating, painting)

• ⚙️ Excellent dimensional stability under stress

It is commonly supplied in skin-passed, oiled, or phosphated finish to prevent rust and improve stamping.

🧰 Applications of EDD Carbon Steel

EDD steel is preferred in applications where precision forming and smooth finishes are crucial:

• 🚗 Automotive Industry

  • Car doors, hoods, roofs, and inner panels

  • Fuel tanks and reinforcement parts

• 🧺 Appliances and White Goods

  • Washing machine panels, refrigerator doors

• 🧴 Consumer Packaging

  • Gas cylinders, pressure containers, food cans

• 🧾 Electrical Panels and Enclosures

• 🛠 Office and Storage Equipment

  • Filing cabinets, drawers, steel furniture

📌 Wherever deep-drawn, form-stable, and coated parts are needed, EDD is a preferred choice.

🔁 Equivalent Grades of EDD Carbon Steel

📌 SPCE (Japan) and DC05 (Europe) are widely accepted international equivalents.

📦 Available Forms of EDD Carbon Steel

EDD carbon steel is supplied in the following forms:

• Cold Rolled Coils (CR Coils)

• Cold Rolled Sheets (CR Sheets)

• Cut-to-Length Sheets

• Slit Coils

• Oiled or Phosphated Surface Finishes

📏 Thickness range: 0.30 mm to 3.0 mm; Widths: up to 1500 mm

💰 EDD Carbon Steel Price in India (Indicative)

📌 Prices depend on coil size, finish, grade standard, and location.

🧭 Top Suppliers of EDD Carbon Steel in India

Looking for reliable EDD-grade steel stockists? Here are some trusted suppliers:

• Triton Alloys Inc., Mumbai

• JSW Steel, India

• Tata Steel Ltd., Jamshedpur

• SAIL – Steel Authority of India Ltd.

• Bhushan Steel, now part of Tata Steel

• Essar Steel / ArcelorMittal Nippon Steel India (AM/NS)

• Virwadia Steels, Chennai

✅ Always request IS 513 / JIS / EN compliant test certificates and third-party inspection (TPI) if needed.

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✅ Conclusion

EDD carbon steel is a specialized low-carbon grade engineered for extra deep drawing applications, offering exceptional formability, smooth finish, and dimensional accuracy. It plays a vital role in automotive, appliance, and packaging industries, enabling the manufacturing of complex shapes without cracking.

With equivalent grades like SPCE, DC05, and CR5, and widespread availability across Indian mills and suppliers, EDD steel is a trusted material for high-precision forming projects.

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