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Steel Supplier
Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.40 – 0.45 |
| Manganese (Mn) | 0.70 – 0.90 |
| Phosphorus (P) | Max 0.045 |
| Sulphur (S) | Max 0.045 |
Hardness Range: 180 – 220 HRC (in untreated condition)
EN8D Carbon Steel – High Ductility & Machinability Engineering Steel
Overview of EN8D Carbon Steel
- EN8D Carbon Steel is a premium engineering steel grade specially designed for industrial applications where high strength, durability, and dependable mechanical performance are required.
- The carbon content of 0.40–0.45% gives EN8D Carbon Steel excellent hardness and high tensile strength, making EN8D Carbon Steel ideal for heavy-duty machine components.
- Manganese content ranging from 0.70–0.90% improves toughness and wear resistance, allowing EN8D Carbon Steel to perform efficiently under continuous mechanical pressure.
- Controlled phosphorus content of Max 0.045% ensures structural consistency and reduces brittleness, improving the reliability of EN8D Carbon Steel.
- Sulphur content of Max 0.045% enhances machinability and supports smoother cutting, shaping, and drilling performance.
- EN8D Carbon Steel is widely used for shafts, gears, bolts, studs, axles, and industrial machine parts requiring superior durability and long service life.
Key Features of EN8D Carbon Steel
- EN8D Carbon Steel offers superior hardness and excellent tensile strength for demanding engineering and industrial applications.
- Balanced manganese levels improve the toughness of EN8D Carbon Steel and increase resistance to wear and mechanical stress.
- Low phosphorus content ensures EN8D Carbon Steel maintains structural reliability and reduces cracking risks during fabrication.
- Controlled sulphur composition supports smooth cutting performance and improves machining quality.
- Excellent wear resistance makes EN8D Carbon Steel suitable for heavy-duty industrial components requiring long operational life.
- EN8D Carbon Steel delivers reliable mechanical stability and consistent efficiency in precision engineering applications.
EN8 vs. EN8D – What’s the Difference?
| Feature | EN8 | EN8D |
|---|---|---|
| Carbon Content | 0.36 – 0.44% | 0.40 – 0.45% |
| Surface Hardening | Flame/Induction Hardenable | Flame/Induction Hardened (by default) |
| Application Focus | General engineering parts | High-strength, wear-resistant components |
| Wear Resistance | Good | Superior |
| Machinability | Easy to machine | Improved machinability |
Heat Treatment Processes
| Treatment | Description |
|---|---|
| Hardening | Heat to 820–860°C and quench in oil or water |
| Tempering | Reheat to 550–660°C, hold ~1 hour/inch of thickness, then cool in oil/water |
| Normalizing | Heat to 830–860°C and air-cool to refine grain structure |
| Quenching | Quench after heating to improve strength and wear resistance |
Equivalent Grades of EN8D Steel
| Standard | Equivalent Grade |
|---|---|
| BS | 080A40 |
| DIN | CK45 |
| IS | 45C8 |
| EN | EN8D |
| SAE/AISI | 1040, 1045 |
Why Choose Steel Mart as an EN8D Carbon Steel Supplier
- Steel Mart supplies certified EN8D Carbon Steel with strict quality assurance and precise chemical composition compliance.
- Every batch of EN8D Carbon Steel is thoroughly tested to ensure accurate carbon, manganese, phosphorus, and sulphur specifications.
- Steel Mart offers a wide stock range of EN8D Carbon Steel with multiple sizes and customised specifications for industrial requirements.
- Competitive pricing makes Steel Mart the preferred supplier for sourcing premium-grade EN8D Carbon Steel without compromising quality.
- Fast pan-India delivery ensures EN8D Carbon Steel reaches customers safely and on time for urgent project requirements.
- Industries across India trust Steel Mart for reliable EN8D Carbon Steel quality, expert technical support, and complete customer satisfaction.
