ASTM A517 Low Alloy Steel Wire, Grade C

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

ASTM A517 Low Alloy Steel, Grade C Product Information -:- For detailed product information, please contact sales. -: ### **Product Introduction: ASTM A517 Low Alloy Steel, Grade C** #### **1. Overview** ASTM A517 Grade C is a high-strength quenched and tempered alloy steel plate designed for extreme service conditions requiring maximum reliability. This grade features an optimized chemical composition that provides enhanced mechanical properties and improved toughness characteristics, making it suitable for the most demanding pressure vessel and structural applications. #### **2. Key International Standards** - **Primary Standard:** **ASTM A517/A517M** - Standard Specification for Pressure Vessel Plates, Alloy Steel, High-Strength, Quenched and Tempered - **Governing Standard:** **ASTM A20/A20M** - Standard Specification for General Requirements for Steel Plates for Pressure Vessels - **International Equivalents:** - **EN 10028-6:** S690Q/S890Q - **JIS G3128:** SHY685 - **GB/T 16270:** Q690D/Q890D #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | Carbon (C) | 0.20-0.28 | | Manganese (Mn) | 0.90-1.20 | | Silicon (Si) | 0.15-0.35 | | Chromium (Cr) | 0.90-1.20 | | Molybdenum (Mo) | 0.18-0.28 | | Vanadium (V) | 0.04-0.10 | | Boron (B) | 0.0015-0.005 | | Phosphorus (P), max | 0.035 | | Sulfur (S), max | 0.035 | *Note: The increased carbon, chromium, and boron content provides superior hardenability and strength characteristics compared to Grades A and B.* #### **4. Mechanical & Physical Properties** **Mechanical Properties (Quenched & Tempered):** - **Tensile Strength:** 830-980 MPa (120-142 ksi) - **Yield Strength (min):** 725 MPa (105 ksi) - **Elongation in 2" (min):** 15% - **Reduction of Area (min):** 35% - **Hardness (typical):** 260-320 HB **Impact Toughness Properties:** - **Charpy V-Notch Impact:** 34 J @ -45°C (25 ft-lb @ -50°F) min **Physical Properties:** - **Density:** 7.86 g/cm³ - **Modulus of Elasticity:** 206 GPa - **Thermal Conductivity:** 40.5 W/m·K (at 100°C) - **Coefficient of Thermal Expansion:** 11.2 × 10⁻⁶/K (20-100°C) #### **5. Product Applications** - **Extreme Service Pressure Vessels:** High-pressure reactors and separators - **Power Generation:** Critical pressure components in power plants - **Heavy Construction:** Crane components, excavator frames - **Mining Equipment:** Shovel dippers, dragline components - **Structural Applications:** Critical bridge components - **Defense Industry:** Armored vehicle components #### **6. Key Characteristics & Advantages** - **Enhanced Strength:** Higher yield and tensile strength than Grades A and B - **Superior Hardenability:** Optimized chemistry for maximum through-thickness properties - **Excellent Fatigue Resistance:** Superior performance under dynamic loading - **Good Weldability:** Can be welded with proper procedures and consumables - **Temperature Resistance:** Maintains properties at elevated temperatures #### **7. Fabrication Considerations** - **Welding:** Requires strict control of pre-heat (200-300°C) and post-weld heat treatment - **Forming:** Requires careful attention to bending radii and forming techniques - **Machining:** Requires premium tooling and appropriate cutting parameters - **Heat Treatment:** Critical to maintain specified mechanical properties #### **8. Quality Assurance** - **Comprehensive Testing:** Full mechanical and impact testing required - **Ultrasonic Inspection:** Mandatory for critical applications - **Hardness Verification:** Essential for quality control - **Full Traceability:** Complete documentation and certification ASTM A517 Grade C represents the pinnacle of high-strength alloy steel technology, providing engineers with an exceptional material solution for applications where maximum strength, reliability, and performance are absolutely essential in the most challenging service environments. -:- For detailed product information, please contact sales. -: ASTM A517 Low Alloy Steel, Grade C Specification Dimensions Size： Diameter 20-1000 mm Length <4409 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 C Properties -:- For detailed product information, please contact sales. -:

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

Packing of ASTM A517 Low Alloy Steel Wire, Grade C -:- 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 Wire 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 880 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