carbon steel reducing weld neck flange

1. Automated Painting Production Line
2. Compliant with International Standards: ASME、ANSI,gost,EN,BS,SANS,DIN、JIS
3. Diverse Material Options: carbon steel, stainless steel ,alloy steel
4. Customization for Special Requirements: surface treated with sandblasting + anti-rust oil / water-based eco-friendly paint / epoxy coating
5. Certification Support
Product Description

Carbon Steel Reducing Weld Neck Flange: Premium Quality for Industrial Applications

Hebei Jinsheng Pipe Fitting Manufacturing Co., Ltd is a leading carbon steel reducing weld neck flange manufacturer and supplier. With 39 years of expertise, our 35,000 m² facility houses advanced production lines, delivering 30,000 tons of ASTM/EN-compliant fittings annually. Our ISO 9001, CE, and PETROBRAS certifications ensure uncompromising quality for oil & gas, shipbuilding, and construction sectors. Trust Jinsheng for reliable, high-performance products that meet your project's demanding requirements.

Key Features

  1. Superior Strength and Durability
    Our products are engineered for exceptional strength, ensuring long-lasting performance in high-pressure and high-temperature applications.
  2. Precise Dimensional Accuracy
    We utilize advanced CNC machining to guarantee tight tolerances and perfect fit, reducing installation time and minimizing potential leakage points.
  3. Excellent Corrosion Resistance
    Our flanges undergo rigorous surface treatments to enhance corrosion resistance, extending their operational lifespan in harsh industrial environments.
  4. Seamless Integration
    The reducing design allows for smooth transitions between different pipe sizes, optimizing flow characteristics and reducing turbulence in your piping systems.

carbon steel reducing weld neck flange

Product Types

We offer a comprehensive range of the products to suit various industrial needs:

  1. Standard Reducing Weld Neck Flanges
  2. Long Weld Neck Reducing Flanges
  3. Heavy Duty Reducing Weld Neck Flanges
  4. Custom-Engineered Solutions

Available in sizes ranging from 1/2" to 60" and pressure ratings from 150# to 2500#, our product line covers virtually all industrial requirements.

Materials & Grades

Our products are available in various grades to meet specific application demands:

  1. ASTM A105
  2. ASTM A350 LF2
  3. ASTM A234 WPB
  4. Custom alloy steels upon request

Each material is carefully selected and tested to ensure optimal performance under your operating conditions.

All our flanges strictly adhere to global standards, including:

ASME B16.5 / B16.47 (ANSI Flanges)
EN 1092-1 (DIN Flanges)
MSS SP-44 / API 605
JIS B2220
GOST Standards (for CIS markets)
This ensures compatibility with international piping systems and meets client regulatory requirements worldwide.

Surface Treatment

To enhance durability and aesthetics, we offer multiple surface treatment options:

  1. Black Oxide Coating
  2. Hot-Dip Galvanization
  3. Epoxy Paint Finish
  4. Custom Coatings for Specialized Applications

Our eco-friendly sandblasting and 100-meter automated painting lines ensure consistent, high-quality finishes for every flange.

Applications

Our carbon steel reducing weld neck flanges find extensive use across various industries:

  1. Oil & Gas: Wellhead equipment, pipeline systems, and refinery infrastructure
  2. Petrochemicals: Process piping and chemical transfer lines
  3. Power Generation: Steam systems and coolant circuits
  4. Water Treatment: High-pressure pumping stations and distribution networks
  5. Shipbuilding: Marine piping systems and offshore platforms

Packaging & Delivery

We understand the importance of protecting your investment during transit. Our packaging options include:

  1. Wooden Cases
  2. Palletized Bundles
  3. Custom Crating for Oversized or Delicate Items

With our dedicated logistics network, we ensure timely deliveries worldwide, supporting your project schedules effectively.

carbon steel weld neck flanges

Quality Control

At Jinsheng, quality is paramount. Our rigorous quality control process includes:

  1. Material Certification and Traceability
  2. Dimensional Inspection
  3. Non-Destructive Testing (NDT)
  4. Hydrostatic Pressure Testing
  5. Final Visual Inspection

Each product undergoes thorough checks to meet or exceed industry standards.

Certificates

Our commitment to quality is backed by international certifications:

  1. ISO 9001:2015
  2. CE Marking
  3. GOST-R
  4. API 6A (for specific product lines)

These certifications demonstrate our adherence to global quality standards and regulatory requirements.

FAQ

Q: What is the lead time for bulk orders of the products?
A: Typical lead times range from 2-4 weeks, depending on order volume and specifications. We can often accommodate rush orders for critical projects.

Q: Do you provide material test reports (MTRs) with each shipment?
A: Yes, we provide comprehensive MTRs for all our products, ensuring full material traceability.

Q: Can you manufacture custom sizes or pressure ratings?
A: Absolutely. Our engineering team can design and manufacture custom flanges to meet your specific project requirements.

Q: What are your minimum order quantities (MOQs)?
A: While we specialize in bulk orders, we offer flexible MOQs to accommodate various project sizes. Contact us for details.

Contact Us

Ready to elevate your industrial piping systems with our premium carbon steel reducing weld neck flanges? Our team of experts is here to assist you in selecting the perfect solution for your project.

Email: admin@chinajsgj.com
Phone: +8618003119682 

Experience the Jinsheng difference – where quality, reliability, and customer satisfaction converge in every product we produce.

carbon steel weld neck flange supplier

 

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