Types of Forgings: Explore the diverse range of forging techniques available to cater to different needs and applications, ensuring optimal performance and quality.
- Open-Die Forging: Experience the traditional yet robust method of Open-Die Forging, ideal for producing large, straightforward shapes with exceptional strength and ductility.: In Open-Die Forging, metal is skillfully deformed between flat or uniquely contoured dies. This method is perfect for crafting substantial, uncomplicated shapes that boast superior strength and ductility.
- Closed-Die Forging: Embrace the precision and complexity achievable with Closed-Die Forging, which enables the creation of intricate geometries with stringent tolerances.: Closed-Die Forging involves enclosing metal within a die cavity, forcing it to adopt its intricate shape. This technique allows for the production of complex geometries with tighter tolerances, contributing to enhanced precision and quality.
- Hot Forging: Leverage the efficiency of Hot Forging, where metals are heated above their recrystallization temperature for easier deformation, ideal for high-volume production.: During Hot Forging, the metal is heated beyond its recrystallization temperature, facilitating easier deformation. This method is predominantly used for large-scale production due to its efficiency and ability to handle substantial material volumes.
- Cold Forging: Benefit from the strength-enhancing process of Cold Forging, performed at room temperature to increase strength through work hardening.: Cold Forging is executed at room temperature, which significantly enhances the metal's strength via work hardening. This method, however, may require higher forces to achieve the desired shape.
Process: Understand the comprehensive forging process, meticulously performed to ensure excellence in every forged component.
The forging process typically involves several steps: Each stage in the forging process is crucial, meticulously planned, and executed to deliver components that meet exacting standards.
- Heating: Achieve the perfect temperature for forging with precise heating techniques, preparing the metal for subsequent shaping.: The metal is heated to the precise temperature required for the forging process, ensuring readiness for the shaping stage.
- Shaping: Transform heated metal into desired forms using advanced mechanical presses or hammers, ensuring precision and durability.: Once heated, the metal undergoes shaping using cutting-edge mechanical presses or hammers, achieving the desired form with precision and strength.
- Cooling: Cooling is a crucial step, with some parts requiring additional heat treatment to perfect their characteristics.: After the shaping phase, the forged part is allowed to cool, a process sometimes followed by precise heat treatment to enhance its properties.
- Finishing: Conclude with finishing touches like machining or surface treatment, refining components to meet final specifications.: The final phase may involve additional processes such as machining or surface treatment, ensuring every component meets its ultimate specifications with finesse.
Dimensions: Our forged components offer vast dimensional versatility, catering to applications needing anything from tiny fasteners to massive structural parts.
Forged components can vary significantly in size, from small fasteners to large structural parts. Standard sizes typically range from a few millimeters to several meters, depending on the application. This dimensional flexibility ensures suitability for a wide array of applications.
Applications: Discover the vast applicability of our stainless steel forgings, trusted across aerospace, automotive, and construction industries for unparalleled strength, durability, and reliability.
Forgings are widely used in industries such as aerospace, automotive, and construction due to their strength, durability, and reliability. Their robust nature makes them indispensable in these sectors, ensuring longevity and performance.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, proudly leading the stainless steel, titanium, and nickel alloy welded pipe industry with distinction and innovation.
With the prestigious and globally recognized endorsement of Haynes International, Inc., we steadfastly adhere to the rigorous and comprehensive ISO9001:2001 quality management system, guaranteeing unmatched quality, reliability, and dependability.
Our distinguished credentials and certifications are a testament to our relentless pursuit of excellence, featuring the illustrious EU EN3.1 certificates and the TS pressure pipeline component manufacturing license. Our welding standards not only meet but often exceed the most demanding international criteria, including the esteemed TUV certifications.
Our unwavering commitment is to provide expedited, reliable, and avant-garde metal pipeline solutions to our cherished global clientele, ensuring their diverse needs are met with precision and innovation.




Our Our state-of-the-art factory boasts a fully integrated and cutting-edge production line, dedicated to delivering excellence in alloy steel pipes. We meticulously evaluate raw materials from the start and uphold a seamless process through strict SOP guidelines. Our unwavering commitment to quality shines as we perform PMI material re-inspections, thoroughly validate experimental data, and ensure each step adheres to WPS and PQR welding standards, guaranteeing the highest level of quality assurance.
Equipped with the pinnacle of advanced manufacturing technology, our facility includes Dutch DELEM CNC bending machines that masterfully handle thicknesses ranging from 2mm to an impressive 100mm. We utilize Austrian Fronius welding machines, Japanese FANUC welding robots, and cutting-edge laser welding seam guidance alongside tracking systems. This formidable, automated welded pipe production line assures exceptional uniformity and remarkable reliability in every product we deliver.
Weldpi has proudly achieved numerous prestigious certifications on both domestic and international fronts, such as the esteemed EU ISO9001 quality management system certification, TUV welding certification, and the authoritative China Pressure Pipe Manufacturing License (TS). These accolades underscore our commitment to quality and innovation in every endeavor.
Weldpi Pipe Industry is deeply honored to hold the exclusive authorization granted by the renowned American Hastelloy Company in China, facilitating a collaborative synergy to innovate and produce exceptional Hastelloy long products. This collaboration empowers us to push the boundaries of excellence.
Our unwavering dedication to excellence propels us to craft products of superior quality. We are steadfast in our commitment to delivering swift, reliable, and exceptional piping solutions and services that meet the dynamic needs of our global clientele, ensuring unparalleled satisfaction.
Are you a factory or a trading company?
We are a dedicated factory specializing in the manufacturing of seamless stainless steel pipes. Additionally, we offer welded stainless steel pipes and pipe fittings to meet your comprehensive needs. Our in-depth market knowledge ensures that we deliver only the highest quality products, each meticulously inspected before shipment.
Do you have any certificates?
We proudly hold numerous prestigious domestic and international certifications, including the EU ISO9001 Quality Management System Certification, TUV Welding Certification, and the China Pressure Pipe Manufacturing License (TS).We are also exclusively authorized by the American Hastelloy Company in China for the collaboration, development, and production of Hastelloy long products.
What is your delivery time?
Delivery time primarily depends on your order volume. Typically, we deliver within approximately one month for a standard 40FT container. For in-stock items, shipping can be expedited to just 5 days.
What are your payment terms?
Our standard payment terms are a 30% deposit with the remaining balance against the bill of lading. We also accept L/C. Shipping terms include EXW, FOB, CFR, and CIF, tailored to your preference.
How can you guarantee the quality of my goods?
We ensure all materials undergo 100% PMI testing and precise measurement before shipping. We welcome third-party inspections and provide the EN10204.3.1B Mill Test Certificate for all materials.
How do you establish long-term and positive business relationships?
1. We maintain superior quality and competitive pricing to maximize our customers' benefits.
2. We respect every customer, conducting business with sincerity and maintaining high service standards both before and after every transaction