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ASTM A234 WP11-S 180 Degree U Bend For Piping Systems

    Buy cheap ASTM A234 WP11-S 180 Degree U Bend For Piping Systems from wholesalers
     
    Buy cheap ASTM A234 WP11-S 180 Degree U Bend For Piping Systems from wholesalers
    • Buy cheap ASTM A234 WP11-S 180 Degree U Bend For Piping Systems from wholesalers
    • Buy cheap ASTM A234 WP11-S 180 Degree U Bend For Piping Systems from wholesalers
    • Buy cheap ASTM A234 WP11-S 180 Degree U Bend For Piping Systems from wholesalers
    • Buy cheap ASTM A234 WP11-S 180 Degree U Bend For Piping Systems from wholesalers

    ASTM A234 WP11-S 180 Degree U Bend For Piping Systems

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    Brand Name : YuHong
    Model Number : ASTM A234 WP11-S 180 Degree U Bend
    Certification : ISO,PED, TUV, ABS, DNV, GL , LR , KR, BV, CCS, COST
    Price : Negotiable
    Payment Terms : T/T,L/C AT SIGHT
    Supply Ability : According to Clients' requirements
    Delivery Time : Generally within 30 Days
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    ASTM A234 WP11-S 180 Degree U Bend For Piping Systems

    ASTM A234 WP11-S 180 Degree U Bend For High Temperature And Pressure Application
    Product Specifications
    Product Name180 Degree Return Bend
    SpecificationASTM A234
    MaterialWP11-S
    RadiusLR or SR (Depend on Customer's Requirements)
    SurfaceBlack Painted or Oiled
    TestSize Inspection, Visual Inspection, NDE Test
    Size StandardASME B16.9
    ApplicationHeat Exchangers, Piping Systems, Oil and Gas Industry, Water Treatment
    Product Description

    A 180-degree U-bend is a pipe fitting that curves back on itself in a semi-circular or U-shaped pattern, changing the flow direction by 180 degrees. It is commonly used in piping systems where space constraints or thermal expansion management require a tight directional reversal.

    Key Features
    • Shape & Geometry: Forms a complete half-circle (U-shape) with specified bend radius (R) as a multiple of pipe diameter
    • Types: Short Radius (1D) for tight spaces, Long Radius (1.5D+) for smoother flow, or custom engineered radii
    • Manufacturing: Hot induction bending for thick walls, cold bending for smaller pipes, or mandrel bending for smooth interiors
    • Materials: Carbon steel, alloy steel (ASTM A234 WP11), stainless steel, or nickel alloys
    • End Connections: Plain ends for welding, beveled ends for butt welding, or threaded ends for screw connections
    Advantages vs. Two 90° Bends: Fewer welds reduce leak risks, lower pressure drop for smoother flow, and more compact design for tight spaces.
    ASTM A234 WP11 Chemical Composition (%)
    ElementWP11 Class 1WP11 Class 2WP11 Class 3
    Carbon (C)0.05-0.150.05-0.200.05-0.20
    Manganese (Mn)0.30-0.600.30-0.800.30-0.80
    Phosphorus (P)≤ 0.030≤ 0.030≤ 0.030
    Sulfur (S)≤ 0.030≤ 0.030≤ 0.030
    Silicon (Si)0.50-1.000.50-1.000.50-1.00
    Chromium (Cr)1.00-1.501.00-1.501.00-1.50
    Molybdenum (Mo)0.44-0.650.44-0.650.44-0.65
    Nickel (Ni)≤ 0.50≤ 0.50≤ 0.50
    Vanadium (V)--≤ 0.03
    Columbium (Cb)--≤ 0.08
    ASTM A234 WP11 Mechanical Properties
    PropertyWP11 Class 1WP11 Class 2WP11 Class 3
    Tensile Strength (MPa)≥ 415≥ 485≥ 485
    Yield Strength (MPa)≥ 205≥ 275≥ 275
    Elongation (%) (min)202020
    Hardness (HB) (max)197197197
    Notes: WP11 Class 1 is standard grade, while Classes 2 & 3 offer higher strength through modified heat treatment (Class 3 includes micro-alloying elements). Suitable for high-temperature service up to 593°C (1100°F).
    Applications
    • Power Plants: Boiler systems, steam lines, and thermal expansion loops
    • Oil & Gas Refineries: Crude oil processing and high-pressure gas lines
    • Chemical Plants: Resistant to sulfur compounds and acidic/alkaline environments
    • Steam Systems: Steam distribution networks up to 593°C
    • Heating/Cooling: Heat recovery systems and condensers
    ASTM A234 WP11-S 180 Degree U Bend for industrial piping systems
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