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

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

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
Applications
Core Materials
Focused on the development and application of high-performance alloy materials
Certifications
Authoritative Certifications

ISO 9001
European UnionISO 9001;EN10204 3.1

TS Pressure Component License
Licensed for special equipment and pressure piping components, including GC1 and GC2 applications.

TUV
Germany""Welding process

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

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We look forward to providing professional pipe solutions for your project
