The ASME B16.11 Forged Alloy Steel Socket Weld Elbow is a high-performance fitting engineered for extreme temperature and high-pressure small-bore piping. Forged from chrome-moly grades like ASTM A182 F11, F22, or F91, it offers superior creep resistance and strength at elevated temperatures compared to carbon steel. The socket design ensures precise pipe alignment and a robust fillet weld joint. It is a critical component in power plant headers, refinery heaters, and high-pressure steam services where safety and durability are paramount.
Technical Attributes: Alloy Steel Socket Weld Elbow
Standard,ASME B16.11 / BS 3799
Material Grades,"ASTM A182 F5, F9, F11, F22, F91"
Fitting Type,90° or 45° Socket Weld Elbow
Pressure Class,"3000#, 6000#, 9000#"
Size Range,1/8" to 4" (NPS)
Manufacturing,"Forged, Heat Treated, Fully Machined"
End Connection,Socket Weld (SW)
Chromium Content,1.0%–9.5% (Grade dependent)
Molybdenum Content,0.5%–1.1% (Grade dependent)
Tensile Strength,≥415–585 MPa
Yield Strength,≥205–415 MPa
Heat Treatment,Normalizing & Tempering / Full Annealing
Testing Standard,"PMI, UT, MT (Magnetic Particle), Hardness"
Hardness,≤143–248 HBW (Grade dependent)
Surface Finish,Anti-rust Oil / Black Phosphated
Socket Precision,Tolerance per ASME B16.11 Table
Certification,EN 10204 3.1 / MTR
Marking,"Heat No, Grade, Rating, Size, Brand"
Primary Use,High-Temp Steam & Petrochemical Lines
Contact: Jorge Yang
Phone: +86-13588258503
E-mail: sales@fluvalve.com
Whatsapp:+86-13588258503
Add: Room 331, South Building,Building 1, No.3 Jinpeng Street, Sandun Town, Xihu District, Hangzhou City, Zhejiang Province
