EN8 Round Bar is a medium-carbon steel product widely known for its excellent strength, toughness, and wear resistance. Riddhi Siddhi Impex, a trusted and established manufacturer and supplier of high-quality carbon steel products, offers premium-grade EN8 Round Bars suitable for a wide range of engineering and industrial applications. With strict quality control and adherence to international manufacturing standards, we ensure the delivery of durable and high-performance EN8 bars..
These round bars are produced using advanced rolling and forging technology to maintain superior dimensional accuracy and surface finish. EN8 steel is particularly valued in manufacturing industries that require components with higher tensile strength and better machining properties compared to mild steel. Riddhi Siddhi Impex guarantees consistent material properties, making these bars ideal for both small-scale applications and heavy-duty engineering requirements..
EN8 Round Bar is extensively used in automotive components, shafts, axles, studs, bolts, connecting rods, and general-purpose mechanical parts. Its balanced combination of machinability and strength makes it a preferred choice for precision components. As a domestic supplier, Riddhi Siddhi Impex ensures timely delivery across India, fulfilling the needs of engineering firms, fabricators, machine shops, and industrial machinery manufacturers...
Riddhi Siddhi Impex supplies EN8 Round Bars across major Indian domestic markets including Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Narmada, Ankleshwar, Navsari, Valsad, Rajpipla, and many more..
Our wide domestic network ensures quick dispatch and availability of material at competitive market prices. Industries across India rely on us for consistent quality, transparent documentation, and reliable delivery schedules. We also specialize in bulk supply for industrial projects, oil & gas installations, fabrication works, and infrastructure development..
| Product Name | EN8 Round Bar |
|---|---|
| Manufacturer | Riddhi Siddhi Impex |
| Material Grade | EN8 / 080M40 |
| Standard | BS 970 / IS 1570 |
| Diameter Range | 10 mm to 600 mm |
| Length | 1 Meter to 6 Meter / Custom Cut |
| Finish | Black, Bright, Polished, Peeled, Turned |
| Condition | Annealed, Normalized, Hardened & Tempered |
| Form | Round Bar, Square Bar, Hex Bar, Flat Bar |
| Applications | Shafts, Bolts, Gears, Studs, Automotive Parts, Machinery Components |
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.36 – 0.44 |
| Manganese (Mn) | 0.60 – 1.00 |
| Silicon (Si) | 0.10 – 0.40 |
| Phosphorus (P) | ≤ 0.05 |
| Sulphur (S) | ≤ 0.05 |
| Property | Value |
|---|---|
| Tensile Strength | 550 – 680 MPa |
| Yield Strength | 280 – 350 MPa |
| Hardness | 150 – 220 HB |
| Elongation | 13 – 16% |
| Impact Strength | ≥ 40 J |
| Diameter (mm) | Weight (kg/m) |
|---|---|
| 10 | 0.62 |
| 20 | 2.47 |
| 25 | 3.85 |
| 30 | 5.55 |
| 40 | 9.87 |
| 50 | 15.42 |
| 75 | 34.66 |
| 100 | 61.60 |
| Standard | Grade |
|---|---|
| BS | EN8 / 080M40 |
| AISI/SAE | 1040 / 1045 |
| DIN | C40 / C45 |
| IS | IS 40C8 |
| Standard | Description |
|---|---|
| BS 970 | Specification for Wrought Steels |
| IS 1570 | Steels for General Engineering Purposes |
| ASTM A29 | General Requirements for Steel Bars |
| DIN EN 10083 | Steels for Quenching and Tempering |
| Type | Description |
|---|---|
| EN8 Square Bar | Used for structural and engineering applications |
| EN8 Hex Bar | Ideal for fasteners, nuts, bolts, and studs |
| EN8 Flat Bar | Used in machine parts and structural fabrication |
| EN8 Bright Bar | Precision dimensional bars with improved surface finish |
| EN8 Forged Bar | High-strength bars for heavy-duty applications |
As a committed EN8 Round Bar domestic supplier, we ensure that our products meet both Indian and international standards such as IS, BS, ASTM, and equivalent grades. Our dedicated team provides complete material traceability, MTC reports, test certificates, and customized packaging..
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