Ovako 100CrMnSi6-6 832K Steel

Ovako 100CrMnSi6-6 832K Steel, Spheroidize annealing Product Information -:- For detailed product information, please contact sales. -: Ovako 100CrMnSi6-6 832K Steel, Spheroidize annealing Synonyms -:- For detailed product information, please contact sales. -:

Ovako 100CrMnSi6-6 832K Steel, Spheroidize annealing Product Information -:- For detailed product information, please contact sales. -: # **Ovako 100CrMnSi6-6 832K Steel – Spheroidize Annealed Condition** ## **Product Overview** Ovako 100CrMnSi6-6 832K is a **specialized, high-carbon, high-chromium bearing steel** supplied in a **spheroidize annealed condition**, engineered for applications demanding **exceptional wear resistance and high compressive strength**. Distinguished by its elevated chromium and balanced silicon-manganese content, this alloy represents a distinct chemistry within Ovako's portfolio, positioned between standard 100Cr6 and higher-alloy tool steels. The **"832K"** designation indicates a **premium controlled-quality grade** ("K" often denoting a specially processed or high-integrity variant), characterized by enhanced homogeneity and consistent hardenability. The spheroidize annealed microstructure provides optimal machinability and prepares the material for achieving maximum hardness and wear performance after heat treatment. ## **Key Features & Benefits** * **Superior Wear and Abrasion Resistance:** The high chromium content (~1.5%) promotes the formation of a significant volume of hard, wear-resistant chromium carbides. After hardening, this results in **exceptional resistance to abrasive wear, galling, and rolling contact fatigue**, exceeding the performance of standard 100Cr6. * **High Hardness and Compressive Strength Potential:** With a carbon content of approximately 1%, this steel can achieve very high hardness (**61-65 HRC**) after proper heat treatment. This, combined with the alloy carbides, provides **outstanding compressive yield strength** and resistance to deformation under extreme contact pressures. * **Good Toughness Balance:** The balanced manganese and moderate silicon content contribute to good hardenability while helping to maintain **adequate toughness for a high-carbon, high-chromium steel**, reducing the risk of chipping or brittle fracture compared to more extreme alloy compositions. * **Controlled Quality for Predictable Performance:** The 832K grade ensures consistent chemical composition and a homogeneous spheroidized annealed structure. This leads to **predictable machining behavior, uniform response to heat treatment, and reliable final properties**. * **Excellent Machinability in Annealed State:** The spheroidize annealed condition provides a uniform hardness (~200 HB) and fine globular carbide structure, ensuring **good chip formation, extended tool life, and efficient machining** of complex geometries prior to hardening. ## **International Standards & Designations** This steel corresponds to a specific, high-chromium bearing steel grade. | Region/Standard | Standard Designation | Common Name / Equivalent | | :--- | :--- | :--- | | **EUR (EN)** | **~1.3528** (Approximate) | The likely standard designation. The name **100CrMnSi6-6** describes its typical chemistry (C~1%, Cr~1.5%, Mn~0.8%, Si~0.6%). *Note: Exact mapping may vary.* | | **Germany (DIN / W-Nr.)** | **100CrMnSi6-6 / ~1.3528** | | | **ISO** | **ISO 683-17: 100CrMnSi6-6** | Recognized variant within the bearing steel standard. | | **USA (AISI/ASTM)** | **No direct equivalent.** | Similar in function to a modified **52100 with higher Cr**, or approaching lower-alloy **D-type** tool steel characteristics. | | **Ovako Designation** | **832K** | **"832"** correlates with the approximate material number; **"K"** denotes a **controlled, high-quality variant** within Ovako's production. | ## **Chemical Composition (Typical - %)** The composition is defined by its elevated chromium and balanced other elements. | Element | Content (%) | Role | | :--- | :--- | :--- | | **Carbon (C)** | 0.95 - 1.10 | Provides the basis for high-carbon martensite and substantial carbide formation. | | **Chromium (Cr)** | **1.40 - 1.70** | **Elevated content.** Primary carbide former; significantly enhances wear resistance and hardenability. | | **Manganese (Mn)** | 0.50 - 0.90 | Increases hardenability and contributes to strength. | | **Silicon (Si)** | 0.50 - 0.70 | Provides solid solution strengthening, increases tempering resistance, and improves toughness. | | **Sulfur (S)** | ≤ 0.010 | Kept low for good transverse properties. | | **Phosphorus (P)** | ≤ 0.020 | Kept low. | | **Iron (Fe)** | Balance | | ## **Physical & Mechanical Properties (Spheroidize Annealed Condition)** * **Delivery Hardness:** **190 - 220 HB** (Typical aim: ~205 HB) * **Microstructure:** **Fine spheroidized carbides** in a ferritic matrix. * **Tensile Strength:** ~700 - 850 MPa * **Yield Strength (Rp0.2):** ~450 - 600 MPa * **Elongation (A5):** ≥ 15% * **Machinability:** Good for its alloy content. ## **Properties After Hardening & Tempering (Typical Process)** * **Austenitizing:** 830-860°C. Adequate soaking is required for carbide dissolution. * **Quenching:** Oil quench. * **Tempering:** 150-200°C. Double tempering is recommended. * **Final Hardness:** **61 - 65 HRC** (Potential for higher surface hardness than standard 100Cr6) * **Wear Resistance:** **Very High**, due to increased chromium carbide content. * **Toughness:** Manageable with proper heat treatment; care should be taken with stress concentrators. ## **Typical Applications** This material is specified for components subjected to severe wear where standard 100Cr6 may reach its limits. * **High-Wear Bearing Applications:** Bearings in abrasive environments, for heavily loaded rolling elements, or in applications with poor lubrication. * **Wear Parts and Tools:** Guide rollers, wear plates, mandrels, and forming tools requiring high surface hardness and abrasion resistance. * **Machine Components for Severe Service:** Gears, shafts, and pins in mining, agricultural, or material handling equipment exposed to contamination. * **Specialized Tooling:** Dies and inserts for cold forming or extrusion of abrasive materials. * **Automotive High-Wear Components:** Select transmission parts, cam followers, or fuel injection components requiring extreme durability. ## **Processing Guidelines** * **Machining:** Perform all machining in the soft, spheroidize annealed condition. * **Heat Treatment (Customer Process):** 1. **Preheating:** Essential to ~650-700°C to reduce thermal shock and distortion. 2. **Austenitizing:** 840-860°C in a controlled atmosphere. The higher Cr content may require slightly longer soaking times. 3. **Quenching:** Agitated oil quench. High hardenability ensures good results. 4. **Tempering:** **Double tempering** at 160-200°C is strongly recommended to transform retained austenite and maximize toughness/stability. * **Grinding:** Perform after hardening. Use proper techniques to avoid thermal damage (grinding burns). ## **Summary** **Ovako 100CrMnSi6-6 832K Steel in the Spheroidize Annealed condition** is a **high-performance bearing steel engineered for extreme wear resistance**. Its elevated chromium content shifts its performance envelope, providing a clear upgrade in hardness potential and abrasive wear resistance over standard 100Cr6, while maintaining good manufacturability. For applications where wear is the dominant failure mode and operating conditions are particularly severe, the 832K grade offers a robust and reliable solution. It represents a strategic material choice for engineers seeking to extend component life and reliability in demanding mechanical systems without stepping into the more complex processing realm of full tool steels. -:- For detailed product information, please contact sales. -: Ovako 100CrMnSi6-6 832K Steel, Spheroidize annealing Specification Dimensions Size： Diameter 20-1000 mm Length <5293 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 100CrMnSi6-6 832K Steel, Spheroidize annealing Properties -:- For detailed product information, please contact sales. -:

Applications of Ovako 100CrMnSi6-6 832K Steel, Spheroidize annealing -:- For detailed product information, please contact sales. -: Chemical Identifiers Ovako 100CrMnSi6-6 832K Steel, Spheroidize annealing -:- For detailed product information, please contact sales. -:

Packing of Ovako 100CrMnSi6-6 832K Steel, Spheroidize annealing -:- 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 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 1764 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