ASTM A403 WP304L Concentric Reducer Supplier in China | ASME B16.9 Stainless Steel Pipe Fittings

C&N is a professional ASTM A403 WP304L concentric reducer manufacturer and supplier in China, providing high-quality stainless steel pipe fittings for global piping systems.

Our WP304L concentric reducers are manufactured according to ASME B16.9 standards, ensuring excellent performance in corrosion-resistant and high-purity applications.

What is ASTM A403 WP304L Concentric Reducer

ASTM A403 WP304L concentric reducer is a type of buttweld pipe fitting used to connect pipes of different diameters in a straight line.

Compared with eccentric reducers, concentric reducers are mainly used in:

  • Vertical pipelines
  • Clean fluid systems
  • High-pressure piping

WP304L material features:

  • Low carbon content (≤0.035%)
  • Excellent corrosion resistance
  • Good weldability
  • Suitable for food, chemical, and water systems

ASTM A403 WP304L Reducer Specifications

Specification Details
Standard ASTM A403 / ASME SA403
Dimensions ASME B16.9
Size Range 1/2” NB to 48” NB
Schedule SCH 10S, 40S, 80S, 160S
Type Concentric Reducer
Manufacturing Seamless / Welded

Chemical Composition of WP304L

C Mn Si P S Cr Ni
≤0.035 ≤2.0 ≤1.0 ≤0.045 ≤0.03 18–20 8–12

Mechanical Properties

Tensile Strength Yield Strength Elongation
≥485 MPa ≥170 MPa ≥35%

Applications of WP304L Concentric Reducer

  • Chemical Processing
  • Food & Beverage Industry
  • Water Treatment Systems
  • Pharmaceutical Industry
  • Oil & Gas Pipelines

Inspection & Testing

All products are strictly tested to ensure quality:

  • Chemical composition analysis
  • Mechanical testing
  • Dimensional inspection
  • Non-destructive testing (NDT)
  • Hydrostatic testing
  • Third-party inspection (SGS / BV available)

Packaging & Delivery

  • Standard export wooden cases (fumigation-free)
  • Plastic caps and protective packing
  • Delivery time: 7–20 days

Why Choose Our WP304L Reducer

  • ✔ Experienced stainless steel fittings manufacturer in China
  • ✔ Competitive factory price
  • ✔ Fast delivery & stable supply
  • ✔ Full certification (EN 10204 3.1)
  • ✔ Custom sizes and specifications available
ASTM A403 WP304L Concentric Reducer

ASTM A403 WP304L Concentric Reducer


Related Products (Stainless Steel Pipe Fittings System)

We also supply a full range of matching products: