Sandvik,20C Shock Absorber Strip Steel Flange

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. -: Sandvik 20C Shock Absorber Strip Steel Flange Product Information -:- For detailed product information, please contact sales. -: Sandvik 20C Shock Absorber Strip Steel Flange Synonyms -:- For detailed product information, please contact sales. -:

Sandvik 20C Shock Absorber Strip Steel Product Information -:- For detailed product information, please contact sales. -: ### **Product Datasheet: Sandvik 20C Shock Absorber Strip Steel** **1. Product Overview** Sandvik 20C is a high-carbon, chromium-alloyed, cold-rolled strip steel specifically engineered for the manufacture of high-performance **shock absorber piston rods** and other critical suspension components. Renowned for its exceptional strength-to-weight ratio, superior fatigue resistance, and excellent surface integrity, it is the material of choice for demanding automotive and industrial suspension systems where durability, reliability, and precision are paramount. **2. Key Features & Benefits** * **High Strength & Hardness:** Provides the necessary mechanical strength to withstand high cyclical loads and pressures within the shock absorber. * **Superior Fatigue Resistance:** Engineered to endure millions of stress cycles without failure, ensuring long service life and safety. * **Excellent Surface Finish & Dimensional Accuracy:** Essential for maintaining a perfect seal with the piston rod guide and seal, preventing oil leakage and ensuring consistent damping performance. * **Good Hardenability:** Responds reliably to heat treatment (quenching and tempering), allowing for tailored mechanical properties. * **Machinability & Grindability:** Offers good machinability in the annealed state and can be precision ground after hardening to achieve the ultra-smooth, mirror-like finish required for piston rods. * **Consistency:** Sandvik's stringent process control guarantees batch-to-batch uniformity in chemistry, microstructure, and properties. **3. Chemical Composition (Typical Analysis)** Sandvik 20C is a high-carbon chromium steel. The typical chemical composition is as follows: | Element | Carbon (C) | Chromium (Cr) | Silicon (Si) | Manganese (Mn) | Phosphorus (P) | Sulfur (S) | | :--- | :--- | :--- | :--- | :--- | :--- | :--- | | **Content (%)** | 0.95 - 1.10 | 0.40 - 0.60 | ≤ 0.35 | ≤ 0.40 | ≤ 0.025 | ≤ 0.020 | *Note: This is a representative analysis; specific heats may vary within Sandvik's defined internal specifications to optimize performance for shock absorber applications.* **4. Physical & Mechanical Properties** * **Standard Delivery Condition:** Typically supplied in a **spheroidized annealed (soft annealed)** condition for optimal cold forming and machining. * **Hardness (Annealed):** 190 - 230 HBW * **Tensile Strength (Annealed):** ~ 600 - 750 MPa * **Final Application Condition:** After customer machining and **heat treatment (quenching & tempering)**: * **Hardness (Hardened & Tempered):** 50 - 60 HRC (typical target for piston rods). * **Tensile Strength:** 1650 - 2150 MPa (approx., dependent on tempering temperature). * **Yield Strength:** > 1500 MPa. * **Core Toughness:** Maintains sufficient toughness at high hardness to resist impact and brittle fracture. * **Surface Finish (Final Rod):** Capable of achieving a super-finished, mirror-like surface (e.g., Ra < 0.1 µm) after grinding and polishing, which is critical for seal life and friction control. **5. Standard Specifications & Dimensional Tolerances** Sandvik 20C for shock absorbers is produced to meet stringent automotive and industry standards. * **Common International & Industry Standards:** * **SAE J403:** Chemical composition for carbon steels (similar to **SAE 1095** modified with Cr). * **DIN EN ISO 4957:** Tool steels (similar to grade **100Cr6 / 1.3505**). * **ASTM A682:** Standard Specification for Steel, Strip, High-Carbon, Cold-Rolled. * **Common Automaker Specifications:** Meets or exceeds the requirements of various OEM material specifications for suspension components. * **Common Available Forms:** Precision cold-rolled strip in coils or straightened and cut lengths. * **Typical Dimensions:** * **Thickness:** 2.0 mm to 8.0 mm (custom ranges possible). * **Width:** 20 mm to 150 mm (standard), depending on rod diameter. * **Tolerances:** Supplied to tight **precision tolerances** for thickness (e.g., ±0.02 mm), width, flatness, and edge condition as per **DIN EN 10131** or customer-specific drawing requirements. **6. Primary Applications** Sandvik 20C is exclusively used for high-stress, precision automotive and industrial components, primarily: * **Monotube & Twin-Tube Shock Absorber Piston Rods:** The core material for rods in passenger cars, motorcycles, commercial vehicles, and racing applications. * **Strut Rods:** For MacPherson strut assemblies. * **Other Precision Suspension Components:** Such as guide pins, certain valve parts, and other hardened, ground shafts within the damping system. **7. Processing & Heat Treatment Guidelines** 1. **Machining:** Components are machined (turned, milled) in the supplied soft-annealed condition. 2. **Heat Treatment:** Machined parts are **austenitized, quenched, and tempered** to achieve the final high hardness and strength. Care must be taken to prevent decarburization. 3. **Finishing:** The rods undergo **centerless grinding** and **superfinishing/polishing** to achieve the final diameter and mirror-like surface finish. 4. **Surface Coating:** Often followed by a **chromium plating** or advanced **Physical Vapor Deposition (PVD)** coating (e.g., chromium nitride) for extreme corrosion and wear resistance. **8. Disclaimer** This information is provided for technical reference only. Properties are typical and may vary based on processing. It is the responsibility of the user to validate the material's suitability for their specific application, equipment, and processes. For the most current and detailed specifications, processing guides, or availability, consult the official **Sandvik Materials Technology** documentation or contact their technical support team. --- -:- For detailed product information, please contact sales. -: Sandvik 20C Shock Absorber Strip Steel Specification Dimensions Size： Diameter 20-1000 mm Length <7449 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. -: Sandvik 20C Shock Absorber Strip Steel Properties -:- For detailed product information, please contact sales. -:

Applications of Sandvik 20C Shock Absorber Strip Steel Flange -:- For detailed product information, please contact sales. -: Chemical Identifiers Sandvik 20C Shock Absorber Strip Steel Flange -:- For detailed product information, please contact sales. -:

Packing of Sandvik 20C Shock Absorber Strip Steel Flange -:- 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 3920 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