ASTM A182, Grade F11, Class 1

ASTM A182, Grade F11, Class 1 Product Information -:- For detailed product information, please contact sales. -: ASTM A182, Grade F11, Class 1 Synonyms -:- For detailed product information, please contact sales. -:

ASTM A182, Grade F11, Class 1 Product Information -:- For detailed product information, please contact sales. -: ### **Technical Data Sheet: ASTM A182 / A182M Grade F11 Class 1** --- #### **1. Product Overview** ASTM A182 Grade F11 Class 1 is a **chromium-molybdenum ferritic steel** specifically designed for high-temperature service in pressure vessel components, valves, fittings, and flanges. This grade belongs to the 1.25Cr-0.5Mo steel family and offers excellent high-temperature strength, creep resistance, and oxidation resistance up to 593°C (1100°F). Class 1 represents the standard grade with normalized and tempered heat treatment, making it suitable for various elevated temperature applications in power generation and petrochemical industries. --- #### **2. International Standards & Equivalents** | Standard Organization | Designation | |-----------------------|-------------| | **ASTM International** | **A182 / A182M F11 Class 1** | | **UNS Number** | **K11597** | | **ASME** | **SA182 F11 Class 1** | | **European Norm (EN)** | **1.7335** | | **German (DIN)** | **13CrMo4-5** | | **Japanese (JIS)** | **SCMV 3** | | **Chinese GB** | **15CrMo** | --- #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | **Carbon (C)** | 0.05 - 0.15 | | **Manganese (Mn)** | 0.30 - 0.60 | | **Phosphorus (P)** | 0.025 max | | **Sulfur (S)** | 0.025 max | | **Silicon (Si)** | 0.50 - 1.00 | | **Chromium (Cr)** | 1.00 - 1.50 | | **Molybdenum (Mo)** | 0.44 - 0.65 | | **Iron (Fe)** | Balance | **Key Composition Features:** - **Chromium Content**: 1.00-1.50% for oxidation and corrosion resistance - **Molybdenum Addition**: 0.44-0.65% for high-temperature strength and creep resistance - **Controlled Carbon**: 0.05-0.15% for weldability and strength balance - **Silicon Range**: 0.50-1.00% for deoxidation and strength enhancement --- #### **4. Mechanical Properties** **Tensile Properties (at Room Temperature):** - **Tensile Strength**: 415 MPa (60 ksi) min - **Yield Strength**: 205 MPa (30 ksi) min - **Elongation in 50 mm (2 in)**: 20% min - **Reduction of Area**: 45% min **Hardness Properties:** - **Brinell Hardness**: 121-174 HB - **Rockwell Hardness**: 70-85 HRB **High-Temperature Properties:** - **Maximum Service Temperature**: 593°C (1100°F) - **Creep Strength**: Excellent up to 565°C (1050°F) - **Oxidation Resistance**: Good up to 593°C (1100°F) --- #### **5. Physical Properties** | Property | Value | |----------|-------| | **Density** | 7.85 g/cm³ (0.284 lb/in³) | | **Modulus of Elasticity** | 200 GPa (29,000 ksi) at 20°C | | **Thermal Conductivity** | 42.0 W/m·K at 100°C | | **Coefficient of Thermal Expansion** | 11.5 × 10⁻⁶ /K (20-100°C) | | **Specific Heat Capacity** | 470 J/kg·K | | **Melting Point** | 1425-1470°C (2600-2680°F) | --- #### **6. Product Applications** **Power Generation Industry:** - High-temperature steam piping systems - Boiler components and headers - Heat exchanger tubes and shells - Turbine casings and components - High-pressure valve bodies **Petrochemical Industry:** - Reactor vessels and components - Catalytic cracking units - Hydroprocessing equipment - Pressure vessel flanges and fittings - Refinery piping systems **General Industrial Applications:** - High-temperature fasteners - Pressure-containing parts - Process industry equipment - Chemical processing components --- #### **7. Manufacturing & Fabrication** **Heat Treatment Requirements:** - **Normalizing Temperature**: 899-954°C (1650-1750°F) - **Tempering Temperature**: 677-760°C (1250-1400°F) - **Cooling Method**: Air cooling after normalizing **Welding Characteristics:** - **Good Weldability** with proper procedures - **Recommended Electrodes**: E8018-B2 or E90XX-B2 - **Pre-heat Temperature**: 150-260°C (300-500°F) - **Post-Weld Heat Treatment**: Required at 677-760°C (1250-1400°F) **Machining & Forming:** - Good machinability in annealed condition - Suitable for hot and cold forming - Requires proper tool geometry and cooling --- #### **8. Quality Assurance & Testing** **Mandatory Tests:** - Chemical analysis - Tension test - Hardness test - Hydrostatic test (when specified) **Additional Tests:** - Impact test (when specified) - Non-destructive examination - Microstructure examination - Hardness survey --- #### **9. Corrosion & High-Temperature Performance** - **Oxidation Resistance**: Good up to 593°C (1100°F) - **Sulfidation Resistance**: Moderate - **Hydrogen Attack Resistance**: Good at design temperatures - **Steam Oxidation**: Excellent resistance - **Graphitization Resistance**: Good with proper heat treatment --- #### **10. Available Product Forms** - **Forged Bar**: Various diameters - **Flanges**: All types and pressure ratings - **Fittings**: Elbows, tees, reducers - **Valve Bodies**: Gate, globe, check valves - **Special Components**: Custom forged parts --- **Technical Notes:** - Suitable for service temperatures up to 593°C (1100°F) - Requires proper heat treatment for optimal properties - Post-weld heat treatment is essential - Compatible with most high-temperature coating systems - Must comply with ASME Boiler and Pressure Vessel Code *This information is for reference purposes. For complete technical requirements, consult the latest ASTM A182/A182M standard and applicable pressure vessel codes. Always verify material properties with certified mill test reports before fabrication and installation.* -:- For detailed product information, please contact sales. -: ASTM A182, Grade F11, Class 1 Specification Dimensions Size： Diameter 20-1000 mm Length <4235 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 A182, Grade F11, Class 1 Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A182, Grade F11, Class 1 -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A182, Grade F11, Class 1 -:- For detailed product information, please contact sales. -:

Packing of ASTM A182, Grade F11, 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 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 706 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