Types of Forgings
- Open-Die Forging: In open-die forging, metal is skillfully deformed between flat or artistically contoured dies. This versatile method is ideal for crafting large, simple shapes, offering exceptional strength and ductility to withstand demanding applications.
- Closed-Die Forging: Closed-die forging involves enclosing metal in a precisely engineered die cavity to force it into intricate shapes. This advanced method excels in creating more complex geometries with tighter tolerances, ensuring superior quality and precision.
- Hot Forging: Hot forging elevates the metal above its recrystallization temperature, significantly easing the deformation process. This method is a staple in large-scale production, optimizing efficiency and workability.
- Cold Forging: Cold forging molds metal at ambient room temperature, enhancing its strength through work hardening. Although this method may require greater force, it results in components with heightened strength and robustness.
Process
The forging process typically involves several meticulously planned steps:
- Heating: Initially, the metal is expertly heated to the optimal temperature to prepare for the dynamic forging process.
- Shaping: Once heated, the metal undergoes precise shaping using powerful mechanical presses or hammers, transforming it into the desired form.
- Cooling: Post-shaping, the forged masterpiece is allowed to cool naturally, often followed by heat treatment to enhance its properties.
- Finishing: To meet exacting final specifications, additional processes like precision machining or surface treatment are performed, ensuring the product's integrity and quality.
Dimensions
Forged components boast remarkable size versatility, ranging from tiny fasteners to colossal structural parts. Standard dimensions typically span a few millimeters to several meters, tailored to the specific application needs.
Applications
Forgings stand as the backbone of industries such as aerospace, automotive, and construction, revered for their unparalleled strength, enduring durability, and unwavering reliability.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. Emerging as a luminous beacon of unmatched excellence, Wuxi Weldpi leads the stainless steel, titanium, and nickel alloy welded pipe industry with outstanding distinction, setting new standards for innovation and quality.
With the prestigious endorsement from the renowned Haynes International, Inc., we unwaveringly adhere to the rigorous standards of the ISO9001:2001 quality management system. This commitment ensures our product quality and dependability remain unsurpassed.
Our distinguished credentials are a testament to our relentless dedication to quality. We proudly hold the esteemed EU EN3.1 certificates and the TS pressure pipeline component manufacturing license. Our welding standards not only meet but consistently exceed the highest international criteria, including TUV certifications.
Our unwavering commitment is to deliver expedited, reliable, and cutting-edge metal pipeline solutions to our valued global clientele, ensuring excellence and innovation with every project.




Our Our factory is equipped with a state-of-the-art, comprehensive production line specifically designed for alloy steel pipes. From the meticulous initial evaluation of raw materials to the stringent final product approval, every step is governed by a thorough SOP process, including PMI material re-inspection and precise experimental data validation. Our welding processes rigorously conform to WPS and PQR standards, ensuring impeccable quality assurance that leaves no room for compromise.
Our facility is equipped with cutting-edge manufacturing technology, including Dutch DELEM CNC bending machines that expertly handle thicknesses ranging from an impressive 2mm up to 100mm. We utilize high-performance Austrian Fronius welding machines and Japanese FANUC welding robots, complemented by advanced laser welding seam guidance and tracking systems. This powerful, automated welded pipe production line ensures exceptional product uniformity and steadfast reliability, setting a new benchmark for excellence.
Weldpi has achieved numerous prestigious certifications on both domestic and international fronts. Among these are the coveted EU ISO9001 quality management system certification, TUV welding certification, and the China Pressure Pipe Manufacturing License (TS), each a testament to our unwavering commitment to excellence and industry leadership.
Weldpi Pipe Industry is proud to hold the exclusive authorization from the esteemed American Hastelloy Company in China. This unique partnership enables us to collaborate, innovate, and produce Hastelloy long products, showcasing our ability to exceed industry standards and deliver unparalleled quality.
Our steadfast dedication lies in crafting products of superior quality. We are unwavering in our commitment to providing rapid, reliable piping solutions and services to our valued global customers, ensuring their satisfaction and success.
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