Industrial Pipe Manufacturing

    Precision ManufacturingIndustrial Pipe Systems

    Specialized manufacturer of stainless steel, titanium alloy, and nickel alloy welded pipe
    Serving chemical, energy, aerospace, and other high-end industrial sectors

    About

    Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. was founded in 2017 and specializes in stainless steel, titanium alloy, and nickel alloy welded pipe for chemical processing, petroleum, aerospace, nuclear power, marine engineering, and other demanding industries.

    Advanced European and American Equipment

    FANUC robots and Fronius welding equipment

    Laser Tracking Technology

    Welding accuracy up to ±0.1 mm

    Quality Certification System

    ISO 9001, TS, and TUV international certifications

    Officially Authorized Manufacturing

    Focused on what we do best

    Core Products

    Hastelloy C276 Welded Pipe
    Nickel Alloy Welded Pipe

    Hastelloy C276 Welded Pipe

    Hastelloy C276

    C276 alloy provides excellent corrosion resistance for critical pipe systems in chemical, pharmaceutical, C22, and 625 alloy applications.

    Specifications

    Outer Diameter: Ø19mm - Ø1200mm
    Wall Thickness: 2.0mm - 20mm
    Length: Up to 18 m

    Applications

    Chemical equipment piping systems
    Flue gas desulfurization units
    Inconel 625 Welded Pipe
    Nickel Alloy Welded Pipe

    Inconel 625 Welded Pipe

    Inconel 625

    Inconel 625 offers excellent high-temperature strength and oxidation resistance for aerospace, nuclear, and marine engineering applications.

    Specifications

    Outer Diameter: Ø10mm - Ø800mm
    Wall Thickness: 1mm - 40mm
    Length: Up to 15 m

    Applications

    Aerospace engines
    Nuclear reactors
    Haynes C22 Welded Pipe
    Nickel Alloy Welded Pipe

    Haynes C22 Welded Pipe

    Haynes C22

    C22 alloy delivers outstanding corrosion resistance in oxidizing and reducing media, especially in chloride-containing high-temperature environments.

    Specifications

    Outer Diameter: Ø8mm - Ø600mm
    Wall Thickness: 0.8mm - 30mm
    Length: Up to 12 m

    Applications

    Chemical processing equipment
    Waste treatment systems

    Core Materials

    Focused on the development and application of high-performance alloy materials

    C276
    Haynes C22
    Inconel 625
    Inconel 800H
    Incoloy 825
    Inconel 718
    17-4PH
    17-7PH

    Certifications

    Authoritative Certifications

    ISO 9001 Quality Management System Certification
    Quality Certification

    ISO 9001

    International Organization for Standardization
    2023-06

    European UnionISO 9001;EN10204 3.1

    TS Special Equipment Manufacturing License
    Quality Certification

    TS Pressure Component License

    State Administration for Market Regulation
    2023-03

    Licensed for special equipment and pressure piping components, including GC1 and GC2 applications.

    TUV Welding Procedure Certification
    Quality Certification

    TUV

    TÜV
    2023-09

    Germany""Welding process

    Haynes International Authorized Manufacturer
    Authorization

    Haynes Authorization Certificate

    Haynes International
    2022-12

    Officially authorized by Haynes International to manufacture Haynes alloy pipe and related products.

    News

    Read industry updates and company news

    Weldpi Successfully Delivered a C276 Pipe System for a Large Chemical Project
    Company News
    2026-02-15

    Weldpi Successfully Delivered a C276 Pipe System for a Large Chemical Project

    Weldpi completed a C276 nickel alloy piping system totaling more than 5,000 meters for a large chemical project.

    2026 Nickel Alloy Market Trend Analysis
    Industry News
    2026-02-08

    2026 Nickel Alloy Market Trend Analysis

    Demand for nickel alloy pipe continues to grow, and the market is expected to exceed USD 15 billion in 2026.

    Application of Laser Seam Tracking Welding in Pipe Manufacturing
    Technical Articles
    2026-01-25

    Application of Laser Seam Tracking Welding in Pipe Manufacturing

    Laser seam tracking welding improves weld accuracy and efficiency through real-time weld monitoring.

    Production Workshop

    Start a Cooperation Project

    We look forward to providing professional pipe solutions for your project

    16+
    years of industry experience
    500+
    customers
    99.5%
    product pass rate

    Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd.

    Manufacturer of stainless steel, titanium alloy, nickel alloy welded pipe, and high-performance alloy materials

    ISO 9001TS Special Equipment Production LicenseTUV

    Address Information

    Factory Address

    No. 51-2 Chunhui Middle Road, Xishan District, Wuxi, Jiangsu, China

    Office Address

    Room 1006, Yunma Innovation Center, Xinwu District, Wuxi, Jiangsu, China

    © 2017-2026 Weldpi Stainless Steel Pipe Manufacturing. All rights reserved.

    Focused on what we do best