Alloy Steel Socket Weld and Threaded Fittings

Alloy Steel Socket Weld and Threaded Fittings are designed for use in applications requiring superior mechanical properties and resistance to high temperatures and pressures. These fittings are commonly used in industries such as oil and gas, power generation, and chemical processing. Here's a detailed overview of the specifications, grades, and equivalent materials for alloy steel socket weld and threaded fittings.Alloy Steel Socket Weld and Threaded Fittings1. Overview• Grades: Common alloy steel grades include ASTM A234 WPB, ASTM A234 WPC, ASTM A420 WPL6, and ASTM A182 F5, F9, F11, F22, F91.• Standard: ASME B16.11 (for dimensions)• Types: Socket Weld Fittings and Threaded Fittings2. Material Grades and SpecificationsASTM A105/A105NASTM A420 WPL6ASTM A182 F5 (UNS K41545)ASTM A182 F9 (UNS K90941)ASTM A182 F11 (UNS K11597)ASTM A182 F22 (UNS K92460)ASTM A182 F91 (UNS K91560)3. Types of FittingsSocket Weld Fittings:• Elbows: Change the direction of the pipe.o 90° Elbowo 45° Elbow• Tees: Connect three pipes.o Equal Tee: All three outlets are the same size.o Reducing Tee: One outlet is a different size.• Couplings: Join two pipes of the same size.o Full Couplingo Half Coupling• Unions: Allow for easy disconnection of piping.• Plugs and Caps: Seal the end of a pipe or fitting.Threaded Fittings:• Elbows: Change the direction of the pipe.o 90° Elbowo 45° Elbow• Tees: Connect three pipes.o Equal Teeo Reducing Tee• Couplings: Join two pipes of the same size.o Full Couplingo Half Coupling• Bushings: Reduce the size of a fitting.• Plugs and Caps: Seal the end of a pipe or fitting.• Unions: Allow for easy disconnection of piping.5. Pressure Ratings• Class 3000: Up to 3000 psi (206.8 bar) at 100°F (38°C)• Class 6000: Up to 6000 psi (413.7 bar) at 100°F (38°C)6. Standards and Specifications• ASME B16.11: Covers the dimensions, materials, and pressure-temperature ratings for socket weld and threaded fittings.• ASTM Standards: Provide material specifications for alloy steel grades, such as ASTM A234, 8. Testing and Quality Control• Visual Inspection: Identifies any visible defects or irregularities.• Dimensional Inspection: Ensures that the fittings comply with specified dimensions.• Non-Destructive Testing (NDT): Includes ultrasonic or radiographic testing to check for internal flaws.• Hydrostatic Testing: Verifies that the fittings can withstand the specified pressure without leakage.SummaryAlloy Steel Socket Weld and Threaded Fittings are critical components in high-temperature and high-pressure systems. They are manufactured to meet specific mechanical and chemical property requirements, as defined by ASTM standards and ASME B16.11. Key grades include ASTM A234 WPB, ASTM A182 F5, F9, F11, F22, and F91, each suited to different service conditions. These fittings provide reliable performance in demanding environments such as power generation, oil and gas, and chemical processing industries.SPECFICATIONS:• Manufacturing Range: DN 15 (1/2”) to DN 100 (4”)• Rating/Class: 3000/6000/9000• Dimension Standard: ANSI/ASME B16.11, BS 3799, MSS SP83, MSS SSP97, etc.• Material Type: CARBON/ALLOY STEEL: ASTM/ASME A105/105N, ASTM / ASME A182, ASTM / ASME A335 GR F1, F5, F9, F11, F12, F22, F23, F91, etc.