100Cr6 ISO 683-17 (ref) Steel Sheet,Plate

Ovako 100Cr6 ISO 683-17 (ref) Steel Sheet/Plate, +A, Round bar Product Information -:- For detailed product information, please contact sales. -: Ovako 100Cr6 ISO 683-17 (ref) Steel Sheet/Plate, +A, Round bar Synonyms -:- For detailed product information, please contact sales. -:

Ovako 100Cr6 ISO 683-17 (ref) Steel, +A, Round bar Product Information -:- For detailed product information, please contact sales. -: # **Ovako 100Cr6 ISO 683-17 (ref) Steel – +A (Soft Annealed), Round Bar** ## **Product Overview** Ovako 100Cr6 ISO 683-17 (ref) +A is a **high-quality, standard-grade bearing steel** supplied as round bar in a **soft annealed ("+A") condition**, fully conforming to the specifications of the international standard **ISO 683-17**. The **"ref"** designation indicates a **reference-quality material** produced with strict adherence to the standard's chemical and mechanical property limits, serving as a reliable and consistent baseline for general-purpose applications. The soft annealing process produces a **spheroidized carbide microstructure within a ferrite matrix**, providing optimal machinability and a homogeneous foundation for subsequent heat treatment. This product is the fundamental, high-integrity feedstock for manufacturing a wide range of hardened components where premium-grade enhancements are not required. ## **Key Features & Benefits** * **Certified Conformance to ISO 683-17:** Guarantees compliance with the internationally recognized standard for through-hardening bearing steels, ensuring material reliability, traceability, and suitability for global supply chains and quality systems. * **Excellent Machinability:** The soft annealed condition results in a uniform hardness of **~190-220 HB** and a spheroidized carbide structure, offering **superior chip formation, extended tool life, good surface finish, and efficient machining** for cost-effective component production. * **Predictable and Consistent Hardenability:** As a reference-quality material, it exhibits the standard and well-documented hardenability profile of 100Cr6/52100 steel. This allows for reliable prediction of hardness penetration and final properties after quenching and tempering, ensuring consistent batch-to-bust performance. * **Optimal Microstructure for Heat Treatment:** The spheroidize annealed structure minimizes the risk of overheating during austenitizing, promotes uniform carbide dissolution, and reduces the potential for distortion and cracking during quenching, leading to high-quality hardened parts. * **Cost-Effective Versatility:** Represents the most economical yet fully capable grade of Ovako 100Cr6, providing an ideal balance of performance and value for the vast majority of bearing and mechanical component applications that do not require specialized properties like ultra-high cleanliness or guaranteed dimensional stability. ## **International Standards & Designations** This product is defined by and supplied to meet the requirements of the ISO standard. | Region/Standard | Standard Designation | Condition | Ovako Designation | | :--- | :--- | :--- | :--- | | **ISO** | **ISO 683-17: 100Cr6** | Soft Annealed | **100Cr6 ISO 683-17 (ref) +A** | | **EUR (EN)** | **1.3505** (100Cr6) | Equivalent standard. | The "+A" suffix explicitly denotes the **Soft Annealed** delivery condition. | | **USA (AISI/ASTM)** | **52100** | Direct equivalent. | | | **Japan (JIS)** | **SUJ2** | | | ## **Chemical Composition (in accordance with ISO 683-17 - %)** The composition strictly adheres to the limits specified for 100Cr6 in the standard. | Element | Content (%) | Role | | :--- | :--- | :--- | | **Carbon (C)** | 0.98 - 1.10 | Provides the carbon necessary for high-carbon martensite and carbide formation upon hardening. | | **Chromium (Cr)** | 1.35 - 1.60 | Enhances hardenability and promotes the formation of wear-resistant chromium carbides. | | **Manganese (Mn)** | 0.25 - 0.45 | Increases hardenability and contributes to strength. | | **Silicon (Si)** | 0.15 - 0.35 | Acts as a deoxidizer during steelmaking and provides solid solution strengthening. | | **Phosphorus (P)** | ≤ 0.025 | Impurity element; kept at or below the standard maximum limit. | | **Sulfur (S)** | ≤ 0.020 | Impurity element; kept at or below the standard maximum limit. | | **Iron (Fe)** | Balance | | ## **Physical & Mechanical Properties (+A Soft Annealed Condition)** * **Delivery Condition:** **Soft Annealed (+A) Round Bar**. * **Hardness:** **190 - 220 HB** (Typical target: ~205 HB). This range is optimal for machining. * **Microstructure:** **Spheroidized carbides** uniformly distributed in a **ferritic matrix**. The annealing process is controlled to achieve a fine, globular carbide structure. * **Tensile Strength:** ~650 - 800 MPa * **Yield Strength (Rp0.2):** ~400 - 550 MPa * **Elongation (A5):** ≥ 20% * **Machinability:** **Excellent** for the hardness class. ## **Properties After Hardening & Tempering (Typical Process)** Following customer heat treatment: * **Austenitizing:** 830-860°C in a protective atmosphere. * **Quenching:** Oil quench. * **Tempering:** 150-200°C for 1-3 hours. * **Final Hardness:** **60 - 64 HRC** (dependent on tempering temperature). * **Core Properties:** Good wear resistance and contact fatigue strength characteristic of through-hardened 100Cr6. ## **Typical Applications** This versatile annealed bar stock is used to manufacture a wide array of components across industries. * **General Industrial Bearings:** Inner and outer rings, rollers, and balls for ball and roller bearings used in electric motors, gearboxes, and machinery. * **Automotive Components:** Transmission parts, shafts, pins, and various bearing applications. * **Industrial Machinery Parts:** Gears, spindles, arbors, bushings, and tool holders. * **Agricultural & Off-Highway Equipment:** Durable wear parts and bearing components. * **Consumer & General Engineering:** Components for appliances, power tools, and other devices requiring hardened steel. ## **Processing Guidelines** * **Machining:** All machining (turning, milling, drilling, grinding) should be performed in the soft annealed state. * **Heat Treatment (Customer Process):** 1. **Preheating:** Recommended at 650-700°C to minimize thermal stress. 2. **Austenitizing:** Heat to 830-860°C in a controlled atmosphere or vacuum furnace to prevent decarburization. 3. **Quenching:** Agitated oil quench is standard. 4. **Tempering:** Temper immediately after quenching to the desired hardness and for stress relief. Double tempering is recommended. * **Final Grinding:** Perform after hardening to achieve final dimensions and surface finish. ## **Summary** **Ovako 100Cr6 ISO 683-17 (ref) Steel in the +A (Soft Annealed) condition** is the **benchmark for reliable, standard-quality bearing steel feedstock**. By guaranteeing conformance to the ISO 683-17 standard and supplying it in an optimally machinable annealed state, Ovako provides manufacturers with a trustworthy and versatile material foundation. It delivers the proven performance of 100Cr6/52100 steel in a form ready for efficient manufacturing and predictable heat treatment. For applications where a certified, high-quality standard-grade material is specified or sufficient, this product offers an unbeatable combination of performance, consistency, and value. -:- For detailed product information, please contact sales. -: Ovako 100Cr6 ISO 683-17 (ref) Steel, +A, Round bar Specification Dimensions Size： Diameter 20-1000 mm Length <5285 mm Size:We can customized as required Standard： Per your request or drawing We can customized as required Properties（Theoretical） Chemical Composition -:- For detailed product information, please contact sales. -: Ovako 100Cr6 ISO 683-17 (ref) Steel, +A, Round bar Properties -:- For detailed product information, please contact sales. -:

Applications of Ovako 100Cr6 ISO 683-17 (ref) Steel Sheet,Plate, +A, Round bar -:- For detailed product information, please contact sales. -: Chemical Identifiers Ovako 100Cr6 ISO 683-17 (ref) Steel Sheet,Plate, +A, Round bar -:- For detailed product information, please contact sales. -:

Packing of Ovako 100Cr6 ISO 683-17 (ref) Steel Sheet/Plate, +A, Round bar -:- For detailed product information, please contact sales. -: Standard Packing: -:- For detailed product information, please contact sales. -: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and Steel Sheet/Plate drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 1756 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition