Manufacturer, Supplier & Exporter of 16MnCr5 Round Bar
16MnCr5 Round Bar is a high-quality case-hardening alloy steel widely used for manufacturing components requiring high surface hardness while maintaining a tough core. Riddhi Siddhi Impex, a reputed steel manufacturer and supplier, provides premium-grade 16MnCr5 round bars to clients across India. Known for its excellent machinability, wear resistance, and uniform carbon content, 16MnCr5 is ideal for heavy engineering, automotive, and industrial applications. The company ensures that all bars are supplied in strict compliance with international standards, providing reliable performance for demanding applications..
Riddhi Siddhi Impex has positioned itself as a leading 16MnCr5 Round Bar domestic supplier, offering products that combine precision, durability, and consistency. The alloy steel bars are manufactured to meet specific chemical and mechanical specifications, making them suitable for components subjected to high fatigue, dynamic loads, and impact stress. Each bar undergoes thorough quality inspections, including hardness tests, chemical composition verification, and dimensional accuracy checks to ensure consistent performance..
One of the key advantages of 16MnCr5 Round Bar is its case-hardening ability. The steel is typically carburized and then quenched and tempered, providing a hard, wear-resistant surface while retaining a tough and ductile core. This makes it suitable for manufacturing gears, pinions, shafts, axles, and other high-load components. Riddhi Siddhi Impex offers both annealed and heat-treated conditions depending on the customer’s specific requirements, ensuring optimal material properties for various applications..
16MnCr5 is widely used in industries such as automotive, aerospace, industrial machinery, construction equipment, and railway engineering. The material’s balance of surface hardness, core toughness, and fatigue resistance makes it highly suitable for components subjected to repeated stress cycles. Riddhi Siddhi Impex maintains a robust stock of standard and custom sizes to ensure uninterrupted supply to OEMs, fabricators, and machine shops across India.
The chemical composition of 16MnCr5, enriched with manganese and chromium, ensures excellent hardenability, wear resistance, and toughness. Riddhi Siddhi Impex strictly follows specifications to maintain uniform alloy content across the batch, allowing predictable and consistent performance in both large and small components. This precision makes the bars ideal for critical components in high-stress applications, where dimensional stability and mechanical performance are crucial.
16MnCr5 Round Bar — Specification & Datasheet (Riddhi Siddhi Impex)
Specification — 16MnCr5 Round Bar
| Property | Details / Typical |
|---|---|
| Product name | 16MnCr5 Round Bar (Case Hardening Alloy Steel) |
| Manufacturer / Supplier | Riddhi Siddhi Impex |
| Common designation | 16MnCr5 / EN 10084 |
| Equivalent grades | SCM420 (JIS), 16Cr5 (DIN) |
| Form | Hot Rolled, Forged, Bright Turned & Ground |
| Delivery conditions | Annealed, Normalized, or Quenched & Tempered |
| Size range | 10 mm – 300 mm diameter (custom sizes available) |
| Length | 3 m, 6 m, or cut-to-length |
| Typical applications | Gears, pinions, shafts, axles, rollers, camshafts, and other wear-resistant components |
| Traceability | Mill Test Certificate (MTC) available as per EN 10204 2.2 / 3.1 |
Chemical Composition (wt.%) — Typical
| Element | Typical content (%) |
|---|---|
| Carbon (C) | 0.14 – 0.19 |
| Manganese (Mn) | 1.00 – 1.30 |
| Silicon (Si) | ≤ 0.40 |
| Chromium (Cr) | 1.00 – 1.30 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
| Iron (Fe) | Balance |
Mechanical Properties — Typical
| Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | Hardness |
|---|---|---|---|---|
| Annealed | 500 – 600 | ≈ 350 – 400 | 14 – 18 | ≈ 180 – 220 HB |
| Normalized | 600 – 750 | ≈ 400 – 500 | 12 – 16 | ≈ 200 – 250 HB |
| Case Hardened | Surface: 55 – 60 HRC, Core: 250 – 300 HB | Core: 500 – 600 | 8 – 12 | High surface hardness with tough core |
Dimension Chart — Common Sizes & Approx. Weights
| Diameter (mm) | Area (mm²) | Approx. Weight (kg/m) |
|---|---|---|
| 10 | 78.54 | 0.62 |
| 12 | 113.10 | 0.89 |
| 16 | 201.06 | 1.58 |
| 20 | 314.16 | 2.47 |
| 25 | 490.87 | 3.86 |
| 32 | 804.25 | 6.31 |
| 40 | 1256.64 | 9.86 |
| 50 | 1963.50 | 15.39 |
| 80 | 5026.55 | 39.44 |
| 100 | 7853.98 | 61.58 |
Equivalent Grades
| Standard / Region | Equivalent Grade |
|---|---|
| DIN / EN | 16MnCr5 / 1.7131 |
| JIS | SCM420 |
| AISI / SAE | Similar to SAE 5120 / 5122 (approx.) |
Equivalent Standards
| Standard | Description |
|---|---|
| EN 10084 | Case-hardening steel for gears, pinions, shafts, and wear-resistant components |
| DIN 17211 | German standard for low-carbon case-hardening alloy steel |
Other Types / Finishes
| Type | Description |
|---|---|
| Hot Rolled / Black | Economical form for general engineering components |
| Bright Turned & Ground | Precision diameter and smooth surface for high accuracy applications |
| Forged Bars | Improved strength and grain flow for critical machinery components |
| Surface Treatments | Nitriding, induction hardening, shot peening, grinding |
| Custom Sizes | Cut-to-length, diameter-specific, and tolerance-controlled options |
The company has established an extensive distribution network across India, delivering 16MnCr5 Round Bars to major cities and industrial hubs, 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 other domestic locations. This ensures timely supply for both small and bulk orders..
Frequently Asked Questions (FAQs)
- Q1: What are the common applications of 16MnCr5 Round Bar?
- A1: It is used for gears, pinions, shafts, axles, rollers, camshafts, and other case-hardened industrial components.
- Q2: Can Riddhi Siddhi Impex supply 16MnCr5 in custom sizes and heat-treated conditions?
- A2: Yes, we offer custom diameters, lengths, and heat treatments including annealed, normalized, and quenched & tempered as per client requirements.
- Q3: What certifications are available with 16MnCr5 Round Bar?
- A3: All bars are supplied with Mill Test Certificates (MTC) as per EN 10204 2.2 / 3.1. Third-party inspection reports can also be arranged on request.
- Q4: Is 16MnCr5 suitable for high-wear applications?
- A4: Yes, with proper case hardening, 16MnCr5 Round Bar offers a hard surface and tough core, making it ideal for high-wear, high-stress applications.
Cities we have supplied our products to
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Countries we have supplied our products to
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