ASTM A517 Low Alloy Steel Flange, Grade E

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. -: ASTM A517 Low Alloy Steel Flange, Grade E Product Information -:- For detailed product information, please contact sales. -: ASTM A517 Low Alloy Steel Flange, Grade E Synonyms -:- For detailed product information, please contact sales. -:

ASTM A517 Low Alloy Steel, Grade E Product Information -:- For detailed product information, please contact sales. -: ### **ASTM A517 Grade E: High-Strength Quenched and Tempered Alloy Steel** #### **1. Overview** ASTM A517 is a standard specification for high-strength, quenched and tempered alloy steel plates intended primarily for use in pressure vessels and other critical applications. Grade E is a specific grade within this specification, known for its exceptional strength and toughness, particularly in thicker sections. It is a heat-treated, low-alloy steel that offers a remarkable combination of high tensile strength, good ductility, and superior impact resistance, even at low temperatures. This steel is commonly known by its brand name "T-1" steel, originally developed by U.S. Steel. Its primary advantage is achieving very high strength levels without requiring excessive thickness, making it ideal for weight-sensitive and high-pressure structures. #### **2. Chemical Composition** The chemical composition (by heat analysis) for ASTM A517 Grade E is precisely controlled to achieve its desired properties after heat treatment. The following table outlines the required percentages: | Element | Composition (%) | | :--- | :--- | | Carbon (C) | 0.15 - 0.21 | | Manganese (Mn) | 0.95 - 1.30 | | Phosphorus (P) | 0.035 max | | Sulfur (S) | 0.035 max | | Silicon (Si) | 0.40 - 0.80 | | Nickel (Ni) | 0.70 - 1.00 | | Chromium (Cr) | 0.50 - 0.80 | | Molybdenum (Mo) | 0.18 - 0.28 | | Boron (B) | 0.0015 - 0.0050 | | Vanadium (V) | 0.03 - 0.08 | | Copper (Cu) * | 0.15 - 0.50 | *\* Copper is specified when specified by the purchaser.* **Key Alloying Roles:** * **Carbon:** Provides fundamental strength and hardness. * **Manganese:** Enhances hardenability and strength. * **Nickel, Chromium, Molybdenum:** These elements work synergistically to increase hardenability, strength, and toughness, especially in thick sections. They also contribute to tempering resistance. * **Boron:** A powerful hardenability intensifier, allowing for high strength even with a relatively low carbon equivalent, which improves weldability. * **Vanadium:** Contributes to grain refinement and secondary hardening during tempering. #### **3. Physical & Mechanical Properties** ASTM A517 Grade E is supplied in the quenched and tempered condition to meet the following mechanical properties (for plates up to 2.5 inches / 63.5 mm in thickness): | Property | Requirement | | :--- | :--- | | **Tensile Strength** | 115 - 135 ksi (790 - 930 MPa) | | **Yield Strength (min)** | 100 ksi (690 MPa) | | **Elongation in 2-in (50 mm) (min)** | 16% | | **Reduction of Area (min)** | 50% | | **Hardness (Brinell)** | Typically 235 - 293 HBW | **Impact Toughness:** * **Charpy V-Notch (CVN) Impact Test:** Required at **-50°F (-46°C)**. * **Minimum Average Value:** 15 ft-lb (20 J) for longitudinal specimens, or 10 ft-lb (14 J) for transverse specimens. **Physical Properties (Typical Values):** * **Density:** 0.284 lb/in³ (7850 kg/m³) * **Modulus of Elasticity:** 29,000 ksi (200 GPa) * **Poisson's Ratio:** 0.29 * **Coefficient of Thermal Expansion:** 6.5 x 10^-6/°F (11.7 x 10^-6/°C) from 68-212°F (20-100°C) #### **4. Product Applications** Due to its high strength-to-weight ratio and excellent toughness, ASTM A517 Grade E is used in demanding applications where failure is not an option. Key industries and uses include: * **Pressure Vessels:** For high-pressure gas storage, chemical processing, and oil refinery equipment. * **Penstocks & Hydraulic Turbines:** In hydroelectric power plants, where sections are subject to immense water pressure. * **Construction Machinery:** Critical components in cranes, bulldozers, and excavator booms. * **Mining Equipment:** For shovel bases, buckets, and other high-wear, high-stress parts. * **Transportation:** Frame members for heavy-duty trucks and trailers. * **Wind Turbines:** Towers and structural components to withstand dynamic loads. * **Military and Aerospace:** Armored vehicles and other structural applications requiring ballistic protection. #### **5. International Standards & Equivalents** While ASTM A517 is an American standard, Grade E has close equivalents in other international standards. It is crucial to note that while these grades are similar, they are not always identical, and direct substitution should only be made after a detailed comparison of the specific requirements. | Standard | Equivalent Grade | Key Differences / Notes | | :--- | :--- | :--- | | **ASTM A517** | **Grade E** | The base specification. | | **EN 10028-6** | **S690Q** | A European standard for high-yield strength quenched and tempered steels. The chemistry and strength levels are very similar. | | **ISO 4950-3** | **EQ 70** | An international standard for high-yield strength flat steel products. | | **JIS G 3128** | **SHY 685** | A Japanese standard for high-yield strength steel plates. | | **DIN 17200 (Old)** | **TStE 690** | An older German standard, largely superseded by EN standards. | **Important Note on Fabrication:** Welding and forming ASTM A517 Grade E requires specialized procedures due to its high hardenability. Pre-heating, strict control of heat input, and post-weld heat treatment (PWHT) are often mandatory to prevent the formation of hard, brittle microstructures in the Heat-Affected Zone (HAZ). Fabrication should always follow qualified welding procedure specifications (WPS). --- **Disclaimer:** The information provided here is for general reference purposes. For critical applications, the latest version of the official ASTM A517 standard and consultation with qualified materials engineers are essential. -:- For detailed product information, please contact sales. -: ASTM A517 Low Alloy Steel, Grade E Specification Dimensions Size： Diameter 20-1000 mm Length <4410 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. -: ASTM A517 Low Alloy Steel, Grade E Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A517 Low Alloy Steel Flange, Grade E -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A517 Low Alloy Steel Flange, Grade E -:- For detailed product information, please contact sales. -:

Packing of ASTM A517 Low Alloy Steel Flange, Grade E -:- 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 881 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