Crucible Steel Flange,CSM® S60V (440V) Tool Steel Flange, AISI 440C Modified

1,We Manufacturing processes are primarily classified into four types: 1:Forging, 2:Casting, 3:Cutting, 4:Rolling. 2,We can manufacture in accordance with these standards. Standards: GB Series (Chinese Standards), JB Series (Machinery Standards), HG Series (Chemical Industry Standards), ASME B16.5 (American Standards), BS4504 (British Standards), DIN (German Standards), and JIS (Japanese Standards). Internationally, there are two primary systems of pipe flange standards: the European system, represented by the German DIN standards (including those of the former Soviet Union), and the American system, represented by the US ANSI pipe flange standards. Other common standards include: the Chinese Ministry of Machinery Industry standards (JB series), the Ministry of Chemical Industry standards (HG series), the Chinese National Standard *GB/T 9112–9124-2010 Steel Pipe Flanges*, as well as US standards (ASME B16.5), British standards (BS4504), German standards (DIN), Japanese standards (JIS), and marine standards (CBM), among others. The nominal pressure ratings for the PN series are designated by "PN" and comprise the following nine levels: PN2.5, PN6, PN10, PN16, PN25, PN40, PN63, PN100, and PN160. The nominal pressure ratings for the Class series are designated by "Class" and comprise the following six levels: Class150, Class300, Class600, Class900, Class1500, and Class2500. Flange Classification 1. **According to Chemical Industry Standards:** Flanges are classified as follows: Plate Flat Welding Flange (PL), Necked Flat Welding Flange (SO), Necked Butt Welding Flange (WN), Integral Flange (IF), Socket Welding Flange (SW), Threaded Flange (Th), Butt Welding Ring Loose Flange (PJ/SE), Blind Flange (BL), Flat Welding Ring Loose Flange (PJ/PJ), and Lined Blind Flange (BL(s)). 2. **According to Petrochemical (SH) Industry Standards:** Flanges are classified as follows: Threaded Flange (PL), Butt Welding Flange (WN), Flat Welding Flange (SO), Socket Welding Flange (SW), Loose Flange (LJ), and Blind Flange (no specific designation). 3. **According to Machinery (JB) Industry Standards:** Flanges are classified as follows: Integral Flange, Butt Welding Flange, Plate Flat Welding Flange, Butt Welding Ring Plate Loose Flange, Flat Welding Ring Plate Loose Flange, Lap Joint Ring Plate Loose Flange, and Blind Flange. 4. **According to Connection Method/Type:** Flanges are classified as follows: Plate Flat Welding Flange, Necked Flat Welding Flange, Necked Butt Welding Flange, Socket Welding Flange, Threaded Flange, Blind Flange, Necked Butt Welding Ring Loose Flange, Flat Welding Ring Loose Flange, Ring-Type Joint (RTJ) Flange and Blind Flange, Large-Diameter Plate Flange, Large-Diameter High-Neck Flange, Figure-8 Blind Plate, Butt Welding Ring Loose Flange, etc. 5. **According to the Component Being Connected:** Flanges can be classified into Vessel Flanges and Pipe Flanges. 6. **According to Structural Type:** Flanges include Integral Flanges, Threaded Flanges, Flat Welding Flanges, Butt Welding Flanges, Lap Joint (Loose/Swivel) Flanges, and Blind Flanges. A flange—also referred to as a flange plate or rim—is a component used to connect shafts to one another, or, more commonly, to join the ends of pipes. Flanges are also utilized at the inlet and outlet ports of equipment to facilitate connections between two devices—for instance, the flange on a speed reducer. A "flange connection" or "flanged joint" refers to a detachable joint assembly comprising three interconnected elements—a flange, a gasket, and bolts—that together form a sealed structural unit. In the context of piping systems, a "pipe flange" specifically denotes a flange used for plumbing within the installation; when applied to equipment, it refers to the inlet or outlet flange of that specific device. Flanges feature a series of holes through which bolts are inserted to securely fasten the two flanges together, while a gasket placed between the flanges ensures a leak-proof seal. Flanges are broadly categorized into three types: threaded (screw-in) flanges, welded flanges, and clamp-type flanges. Flanges are invariably used in pairs; threaded flanges are suitable for low-pressure piping applications, whereas welded flanges are required for systems operating at pressures exceeding 4 kilograms per square centimeter. A sealing gasket is inserted between the two flange plates, which are then firmly secured using bolts. The thickness of a flange—as well as the specifications of the bolts used to fasten it—vary depending on the specific pressure rating required for the application. When connecting equipment such as water pumps or valves to piping systems, the corresponding connection points on these devices are often manufactured in the shape of a matching flange; this method of attachment is also referred to as a "flange connection." Generally, any connecting component that utilizes bolts to join and seal the perimeters of two flat surfaces—such as the joints in ventilation ducts—is termed a "flange"; such components may collectively be classified as "flange-type parts." However, since such a connection often constitutes merely a *portion* of a larger device—for instance, the interface between a flange and a water pump—it would be inappropriate to classify the entire water pump itself as a "flange-type part." Conversely, smaller components—such as valves—that feature such flanged interfaces may indeed be appropriately categorized as "flange-type parts." -:- For detailed product information, please contact sales. -: Crucible Steel Flange CSM® S60V (440V) Tool Steel Flange, AISI 440C Modified Product Information -:- For detailed product information, please contact sales. -: Crucible Steel Flange CSM® S60V (440V) Tool Steel Flange, AISI 440C Modified Synonyms -:- For detailed product information, please contact sales. -:

Crucible Steel CSM® S60V (440V) Tool Steel, AISI 440C Modified Product Information -:- For detailed product information, please contact sales. -: # **Product Introduction: Crucible Steel CSM® S60V (440V) Tool Steel (Modified AISI 440C)** Crucible Steel CSM® S60V, historically marketed as 440V, is a premium, high-carbon, high-chromium, high-vanadium martensitic stainless tool steel that represents a significant performance evolution beyond the standard AISI 440C grade. It is engineered to deliver **exceptional wear resistance coupled with good corrosion resistance**, positioning it uniquely between traditional high-wear tool steels and standard stainless steels. The "S60V" designation indicates its high vanadium content, which is the key to its dramatically improved abrasion resistance. While based on the 440-series stainless family, S60V is a substantial modification, with vanadium content increased to form a high volume of ultra-hard vanadium carbides. This modification addresses the primary limitation of 440C—moderate wear resistance—by providing wear performance that approaches or exceeds that of non-stainless tool steels like D2, while still retaining the stainless properties crucial for many applications. CSM® S60V is a solution for components that must endure severe abrasive wear in environments where corrosion resistance is also required. --- ## **1. Chemical Composition (Weight %)** The composition modifies the standard 440C formula with a substantial increase in carbon and the strategic addition of vanadium. | **Element** | **Carbon (C)** | **Chromium (Cr)** | **Vanadium (V)** | **Molybdenum (Mo)** | **Manganese (Mn)** | **Silicon (Si)** | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | **Content** | **2.15 - 2.30** | **16.00 - 18.00** | **5.25 - 5.75** | **0.40 - 0.80** | **≤ 0.50** | **≤ 0.50** | | **Role** | **Elevated level.** Essential for forming the high volume of hard vanadium and chromium carbides that provide extreme wear resistance and high attainable hardness. | **Primary corrosion resistance element.** At ~17%, it ensures excellent stainless properties by forming a robust passive chromium oxide layer. Also contributes to hardenability and wear resistance via chromium carbides. | **Key performance modifier.** The 5.5% vanadium forms a large volume of extremely hard vanadium carbides (VC), which are the primary source of its **exceptional abrasion resistance**. | Enhances hardenability, improves toughness and tempering resistance, and increases resistance to pitting corrosion. | Aids in deoxidation and contributes to hardenability. | Deoxidizer and solid solution strengthener. | *Note: Iron (Fe) constitutes the remainder. This composition transforms it from a general-purpose stainless (440C) into a wear-resistant "super stainless" tool steel.* --- ## **2. Physical & Mechanical Properties** *Typical properties after proper heat treatment to a working hardness of 57-60 HRC.* * **Density:** ~7.67 g/cm³ (0.277 lb/in³) * **Modulus of Elasticity:** ~200 GPa (29 x 10⁶ psi) * **Thermal Conductivity:** Low, due to the high volume of carbide phases. * **Corrosion Resistance:** **Very Good.** Superior to non-stainless tool steels (like D2, M2) and offers good to very good resistance to rust, tarnishing, and many chemicals. Comparable to or slightly better than 440C in many environments due to its high chromium content. * **Hardness (Typical Working Range):** **56 - 60 HRC.** Most commonly used at **57-59 HRC** for an optimal balance of wear resistance and manageable toughness. * **Abrasion Resistance:** **Excellent.** The high volume of vanadium carbides provides wear resistance that far exceeds 440C and approaches that of dedicated high-wear non-stainless PM steels. This is its defining mechanical advantage. * **Toughness:** **Low to Moderate.** This is the trade-off for its high wear and corrosion resistance. It has lower impact toughness than 440C, AEB-L, or CPM 154. It is suitable for applications without severe shock or impact loading. * **Grindability (Hardened):** **Very Difficult.** The high volume of extremely hard vanadium carbides makes grinding challenging. **Diamond or CBN (Cubic Boron Nitride) abrasives are strongly recommended** for sharpening and finishing. --- ## **3. Heat Treatment** Precise heat treatment is required to optimize corrosion resistance and mechanical properties. * **Annealing:** Heat to 900-925°C (1650-1700°F), slow cool. Annealed hardness: 240-280 HB. * **Preheating:** **Essential.** Use a double preheat: First at 540-650°C (1000-1200°F), then at 815-870°C (1500-1600°F). * **Austenitizing:** **1080-1120°C (1975-2050°F).** A common range is **1100-1110°C (2010-2030°F)**. Higher temperatures increase hardness and wear resistance but can reduce corrosion resistance and toughness. * **Quenching:** **Air quench** or positive pressure gas quench. **Do not oil quench,** to preserve corrosion resistance and surface finish. * **Tempering:** **Mandatory.** Temper immediately after quenching. **Minimum of two tempers**, each for 2+ hours. * **Typical tempering range: 205-540°C (400-1000°F).** * For maximum corrosion resistance, temper at **205-425°C (400-800°F)**. **Avoid the 425-565°C (800-1050°F) range** to prevent chromium carbide precipitation and associated loss of corrosion resistance ("sensitization"). * For higher toughness and stability (with a sacrifice in corrosion resistance), temper at **540-565°C (1005-1050°F)**. * **Sub-Zero Treatment:** Recommended after quenching and before tempering to transform retained austenite, improving dimensional stability and hardness. --- ## **4. Key Applications** CSM® S60V (440V) is ideal for components requiring high wear resistance in corrosive or hygienic environments. * **Cutlery & Industrial Blades:** High-end knives, surgical instruments, and slitter blades where extreme edge retention and stain resistance are critical for cutting abrasive materials (fibrous foods, ropes, composites). * **Food & Pharmaceutical Processing:** Wear plates, cutter heads, pump components, and valve parts handling abrasive ingredients where corrosion resistance and cleanability are mandatory. * **Chemical & Marine Equipment:** Seals, bearings, and wear parts exposed to abrasive slurries and corrosive media. * **Plastics Processing:** Screws, barrels, and dies for highly filled or reinforced plastics (glass, minerals) where corrosion from additives is a concern. * **General Wear Parts in Corrosive Atmospheres:** Guides, nozzles, and fixtures where standard tool steels would rust. --- ## **5. International Standards & Cross-References** CSM® S60V is a proprietary modified grade. The name "440V" was its original commercial designation. * **AISI/SAE:** **Modified 440C (High Vanadium)**. Not a standard AISI grade. * **UNS:** No standard UNS designation. Base 440C is S44004. * **European (EN):** No direct equivalent. Conceptually similar to high-carbon, high-chromium, high-vanadium martensitic stainless steels. * **ISO:** No direct equivalent. * **Common Trade Names/Equivalents:** **440V** (original name), **CPM S60V**. The closest competitor analogues are other high-vanadium PM stainless steels like **Böhler M390** or **CTS-204P**. It is distinct from, but often compared to, **CPM S30V** (lower vanadium) and **CPM S90V** (higher vanadium and carbon). --- ## **6. Advantages & Limitations** **Advantages:** * **Exceptional Wear & Corrosion Balance:** Offers one of the best available combinations in a martensitic stainless steel. * **Superior Wear Resistance to Standard Stainless Steels:** Dramatically outperforms 440C, 154CM, and similar grades in abrasive environments. * **High Hardness Attainability:** Can achieve a high hardness (58-60+ HRC) while maintaining good corrosion resistance. **Limitations:** * **Lower Toughness:** Not suitable for high-impact applications. More brittle than 440C or AEB-L. * **Difficult Machining & Grinding:** Requires carbide tooling and diamond/CBN abrasives, increasing manufacturing costs. * **Complex & Sensitive Heat Treatment:** Tempering must be carefully chosen based on the priority of corrosion resistance vs. toughness. * **Higher Cost:** Due to high vanadium and chromium content and specialized processing. --- ## **7. Summary** **Crucible Steel CSM® S60V (440V) is a specialized, high-performance stainless tool steel engineered to solve demanding wear problems in corrosive settings.** It successfully bridges the gap between the exceptional wear resistance of tool steels and the necessary corrosion resistance of stainless steels. For industries such as food processing, cutlery manufacturing, and chemical handling, where component failure from a combination of abrasion and corrosion is a primary concern, S60V provides a durable, long-lasting solution that maintains integrity in challenging conditions. Its performance makes it a premium choice for applications where material failure is not an option. -:- For detailed product information, please contact sales. -: Crucible Steel CSM® S60V (440V) Tool Steel, AISI 440C Modified Specification Dimensions Size： Diameter 20-1000 mm Length <7002 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. -: Crucible Steel CSM® S60V (440V) Tool Steel, AISI 440C Modified Properties -:- For detailed product information, please contact sales. -:

Applications of Crucible Steel Flange CSM® S60V (440V) Tool Steel Flange, AISI 440C Modified -:- For detailed product information, please contact sales. -: Chemical Identifiers Crucible Steel Flange CSM® S60V (440V) Tool Steel Flange, AISI 440C Modified -:- For detailed product information, please contact sales. -:

Packing of Crucible Steel Flange CSM® S60V (440V) Tool Steel Flange, AISI 440C Modified -:- 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 Flange 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 3473 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