ASTM A533 Low Alloy Steel Foil/Strip, Grade D, Class 1

ASTM A533 Low Alloy Steel Foil, Grade D, Class 1 Product Information -:- For detailed product information, please contact sales. -: ASTM A533 Low Alloy Steel Foil, Grade D, Class 1 Synonyms -:- For detailed product information, please contact sales. -:

ASTM A533 Low Alloy Steel, Grade D, Class 1 Product Information -:- For detailed product information, please contact sales. -: ### **ASTM A533 Grade D Class 1: Superior Toughness Manganese-Nickel-Molybdenum Alloy Steel Plate** #### **1. Overview** ASTM A533 Grade D Class 1 is a **manganese-nickel-molybdenum alloy steel plate** within the ASTM A533 specification, specifically engineered to provide **enhanced toughness properties** for critical pressure vessel applications. This grade represents an evolution in alloy steel plate technology, offering improved performance characteristics for nuclear components and other high-integrity applications where reliability under demanding service conditions is paramount. #### **2. Chemical Composition** Grade D features a carefully balanced chemistry optimized for toughness: | Element | Composition (%) | |---------|-----------------| | Carbon (C) | 0.20 max | | Manganese (Mn) | 1.20 - 1.60 | | Phosphorus (P) | 0.025 max | | Sulfur (S) | 0.025 max | | Silicon (Si) | 0.15 - 0.40 | | Nickel (Ni) | 0.70 - 1.00 | | Molybdenum (Mo) | 0.45 - 0.60 | | Copper (Cu) | 0.25 max | **Advanced Composition Features:** - **Optimized Carbon (0.20% max)**: Enhanced weldability and toughness - **Elevated Manganese (1.20-1.60%)**: Improved hardenability and strength-toughness balance - **Controlled Nickel (0.70-1.00%)**: Balanced toughness enhancement - **Ultra-Low Impurities**: 0.025% max phosphorus and sulfur for superior purity #### **3. Physical & Mechanical Properties** **Mechanical Properties (Up to 2½ inches / 63 mm thickness):** | Property | Requirement | |----------|-------------| | **Tensile Strength** | 80 - 100 ksi (550 - 690 MPa) | | **Yield Strength** | 50 ksi min (345 MPa min) | | **Elongation in 2 inches** | 18% min | | **Reduction of Area** | 45% min | | **Charpy V-Notch Impact** | 40 ft-lb min at -75°F (-60°C) | **Enhanced Performance Characteristics:** - **Superior notch toughness**: Excellent resistance to brittle fracture - **Consistent through-thickness properties**: Minimal directional variation - **Enhanced fatigue resistance**: Superior performance under cyclic loading - **Stable mechanical properties**: Consistent across large plate areas **Physical Properties (Typical):** - **Density:** 0.284 lb/in³ (7,850 kg/m³) - **Modulus of Elasticity:** 29,000 ksi (200 GPa) - **Thermal Conductivity:** 32.5 W/m·K at 100°C - **Specific Heat:** 480 J/kg·K at 100°C #### **4. Product Applications** Grade D Class 1 is specified for advanced applications requiring optimized toughness: **Nuclear Power Systems:** - Modern reactor pressure vessel components - Nuclear primary circuit piping and headers - Steam generator support structures - Advanced nuclear fuel handling systems **Pressure Vessel Technology:** - High-performance chemical reactors - Advanced heat exchanger systems - High-pressure gas storage vessels - Critical process industry equipment **Energy and Industrial:** - Power generation equipment components - Heavy-wall pressure containers - Advanced energy system vessels - Specialized industrial machinery #### **5. International Standards & Equivalents** | Region/Country | Standard | Equivalent Grade | Notes | |----------------|----------|------------------|-------| | **International** | **ISO 9328-2** | 15MnNi63 | Similar manganese-nickel balance | | **Europe** | **EN 10028-2** | 15MnNi63 | Comparable mechanical properties | | **Japan** | **JIS G3120** | SOV 6A | Advanced nuclear quality grade | | **Germany** | **DIN 17155** | 15MnNi63 | Historical equivalent designation | **Grade D Distinctive Characteristics:** | Parameter | Grade D Advantage | |-----------|-------------------| | **Manganese Content** | Higher range (1.20-1.60%) for improved hardenability | | **Carbon Control** | Lower maximum (0.20%) for enhanced weldability | | **Toughness Focus** | Optimized for modern fracture mechanics requirements | #### **6. Fabrication & Quality Assurance** **Advanced Welding Technology:** - **Enhanced weldability** due to optimized carbon content - **Pre-heat requirements:** 300-400°F (150-200°C) - **Interpass temperature control:** 400-600°F (200-315°C) - **Post-weld heat treatment:** 1100-1150°F (595-620°C) - **Advanced welding consumables**: Specifically formulated for Grade D **Precision Heat Treatment:** - **Controlled austenitizing:** 1600-1650°F (870-900°C) - **Optimized quenching:** Advanced cooling rate control - **Precise tempering:** 1150-1250°F (620-675°C) - **Microstructural engineering:** For optimal property development **Comprehensive Quality Systems:** - **Advanced NDE:** Ultrasonic testing per ASTM A578 Level II+ - **Mechanical testing:** Comprehensive property verification - **Chemical analysis:** Advanced spectroscopic techniques - **Documentation:** Complete digital traceability systems --- **Technical Leadership Features:** - **Optimized balance** of strength, toughness, and weldability - **Enhanced performance** in modern nuclear applications - **Superior consistency** across large plate sections - **Advanced metallurgical** characteristics **Engineering Application Excellence:** - **Modern fracture mechanics** compliance - **Enhanced design flexibility** for advanced pressure vessels - **Superior performance** in demanding thermal cycles - **Advanced aging management** capabilities **Quality and Reliability Assurance:** - **Stringent compliance** with nuclear quality standards - **Advanced inspection methodologies** - **Comprehensive performance verification** - **World-class manufacturing excellence** **Disclaimer:** This information represents current technical understanding of ASTM A533 Grade D Class 1. For nuclear and other critical applications, strict adherence to the latest ASTM specifications and applicable codes (ASME Section III) is mandatory. All material selection, fabrication, and testing must be supervised by qualified engineers and comply with relevant regulatory requirements. -:- For detailed product information, please contact sales. -: ASTM A533 Low Alloy Steel, Grade D, Class 1 Specification Dimensions Size： Diameter 20-1000 mm Length <4432 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 A533 Low Alloy Steel, Grade D, Class 1 Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A533 Low Alloy Steel Foil, Grade D, Class 1 -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A533 Low Alloy Steel Foil, Grade D, Class 1 -:- For detailed product information, please contact sales. -:

Packing of ASTM A533 Low Alloy Steel Foil/Strip, Grade D, Class 1 -:- 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 Foil/Strip 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 903 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