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Carbon Steel Buttwelding Reducer A234 WPB-WX, Pipe Fittings For Piping Systems In Chemical Plants

Carbon Steel Buttwelding Reducer A234 WPB-WX, Pipe Fittings For Piping Systems In Chemical Plants

  • Carbon Steel Buttwelding Reducer A234 WPB-WX, Pipe Fittings For Piping Systems In Chemical Plants
  • Carbon Steel Buttwelding Reducer A234 WPB-WX, Pipe Fittings For Piping Systems In Chemical Plants
  • Carbon Steel Buttwelding Reducer A234 WPB-WX, Pipe Fittings For Piping Systems In Chemical Plants
  • Carbon Steel Buttwelding Reducer A234 WPB-WX, Pipe Fittings For Piping Systems In Chemical Plants
Carbon Steel Buttwelding Reducer A234 WPB-WX, Pipe Fittings For Piping Systems In Chemical Plants
Product Details:
Place of Origin: CHINA
Brand Name: YUHONG GROUP
Certification: API, PED
Model Number: A234 WPB-WX Reducer
Payment & Shipping Terms:
Minimum Order Quantity: 1PC
Price: NEGITABLE
Packaging Details: PLY-WOODEN CASE OR PALLET
Delivery Time: Depends on quantity
Payment Terms: T/T, L/C
Supply Ability: 10000 PCS PER MONTH
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Detailed Product Description
Standard: ASTM A234 / ASME SA234 Material: WPB (Carbon Steel)
Size: 1/2" - 48" Manufacturing Standard: ASME B16.9
Surface Treatment: Shot Blasted, Rust-proof Black Oil NDT: X-ray Testing For “WX”
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Carbon Steel Buttwelding Reducer A234 WPB-WX, Pipe Fittings For Piping Systems In Chemical Plants

 

 

Overview of A234 WPB-WX Reducer

 

A234 WPB-WX Reducer is a precision-engineered pipe fitting designed to connect two pipes of different diameters in a high-integrity, permanent piping system. Its specification ensures it meets rigorous standards for material quality, performance, and safety.

 

 

Here is a breakdown of its key aspects:

1. Function and Purpose

  • Primary Function: To transition fluid flow between two pipes of different diameters while maintaining a smooth, welded connection.
  • Key Benefits:
    • Reduces Pressure Drop: A smooth internal bore minimizes turbulence and energy loss compared to mechanical alternatives.
    • High Strength: The welded joint becomes as strong as the pipe itself.
    • Leak-proof: Eliminates potential leak points associated with threaded or flanged joints.
    • Durability: Suitable for long-term service under demanding conditions.

2. Material & Specification (ASTM A234 WPB)

  • Standard: ASTM A234 is the overarching standard for "Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High-Temperature Service."
  • Grade: WPB is the most common grade for carbon steel fittings.
    • Chemistry: It has a controlled chemical composition (e.g., Carbon, Manganese, Silicon, Sulfur, Phosphorus) to ensure weldability and strength.
    • Mechanical Properties: It must meet minimum requirements for tensile strength and yield strength.
    • Temperature Range: Typically used for service temperatures between -20°F (-29°C) and 850°F (454°C). Usage outside this range requires careful evaluation.

3. The "WX" Supplementary Requirement

This is a critical differentiator. While "WPB" defines the base material, "WX" specifies an enhanced level of quality control.

  • Interpretation: "WX" is not a universal ASTM code; its meaning is defined by the manufacturer or the customer's purchase order.
  • Most Common Meaning: It almost always signifies that the fittings have undergone Charpy V-Notch (CVN) Impact Testing.
    • Purpose: Impact testing measures the material's toughness and resistance to brittle fracture at specified temperatures.
    • Implication: WX fittings are qualified for use in low-temperature environments or applications where sudden shock loading is a concern (e.g., cryogenic service, offshore platforms, or regions with cold climates). The exact test temperature (e.g., -50°F / -46°C) would be specified in the purchase documents.

4. Manufacturing and Design

  • Type: Buttwelding (BW). The ends are bevelled to match the pipe preparation for a full-penetration weld.
  • Styles:
    • Concentric Reducer: Symmetrical, with a common centerline. Used in vertical pipes or where fluid stratification is not an issue.
    • Eccentric Reducer: Asymmetrical, with one flat side. Used in horizontal pipelines to avoid trapping air (if flat on top) or to allow complete drainage (if flat on bottom).
  • Dimensions: Governed by standards like ASME B16.9, which specifies the precise outside diameters, wall thicknesses, and lengths for each size combination.

 

Chemical Composition (%) of ASTM A234 WPB

 

 

Grade C Mn P S Si Cr Mo Ni Cu V Nb
WPB 0.3 0.29-1.06 0.05 0.058 0.1min 0.4 0.15 0.4 0.4 0.08 0.02

 

Mechanical properties of ASTM A234 WPB

 

Tensile Requirements WPB WPC
Tensile Strength, min, ksi[MPa] 60-85 [415-585] 70-95 [485-655]
Yield Strength, min, ksi[MPa] 32 [240] 40 [275]


 

Application of A234 WPB-WX Reducer

  • Power generation plants
  • Oil and gas refineries
  • Chemical processing plants
  • High-pressure steam lines
  • Any industrial piping system requiring a reliable, permanent welded connection between pipes of different sizes.

 

 

Carbon Steel Buttwelding Reducer A234 WPB-WX, Pipe Fittings For Piping Systems In Chemical Plants 0

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