Types of Forgings
- Open-Die Forging: In this classic method, the metal is elegantly deformed between flat or contoured dies, making it the perfect choice for crafting large and relatively simple shapes. This method shines in providing excellent strength and ductility, ensuring top-notch performance in demanding applications.
- Closed-Die Forging: With precision and expertise, the metal is enclosed within a die cavity, compelling it to assume the desired complex shape. This advanced method is ideal for producing intricate geometries and achieving tighter tolerances, making it a favorite for high-detail requirements.
- Hot Forging: By heating the metal above its recrystallization temperature, this process facilitates easier deformation and is a staple in large-scale production, ensuring efficiency and consistency. Hot forging is integral for crafting a wide array of components with ease and precision.
- Cold Forging: At ambient room temperature, the metal is expertly shaped, enhancing its strength through work hardening. Although this method may require higher forces, it is unparalleled in delivering superior strength for various applications.
Process
The forging process is a sophisticated journey that typically involves several meticulously orchestrated steps:
- Heating: The metal is skillfully heated to the precise temperature required for its transformation during the forging process, setting the stage for excellence.
- Shaping: Once heated, the metal undergoes shaping using powerful mechanical presses or hammers, bringing designs to life with precision.
- Cooling: Post-shaping, the forged masterpiece is allowed to cool, often followed by specialized heat treatment, ensuring durability and resilience.
- Finishing: To achieve the final specifications, additional processes like precise machining or sophisticated surface treatments are employed, perfecting the part to meet exacting standards.
Dimensions
Forged components showcase remarkable versatility in size, extending from small fasteners to monumental structural parts. Standard dimensions can span a few millimeters to several meters, tailored to the unique demands of each application.
Applications
Forgings enjoy a prominent role across diverse industries such as aerospace, automotive, and construction, celebrated for their unmatched strength, enduring durability, and unwavering reliability, making them indispensable in critical applications.

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




Our Our factory is equipped with a state-of-the-art, comprehensive production line specifically for alloy steel pipes. We commence with a thorough initial evaluation of raw materials, adhering strictly to a robust Standard Operating Procedure (SOP) that ensures perfection at every stage—from PMI material re-inspection to rigorous experimental data validation, culminating in final product approval. Our welding procedures strictly comply with both WPS and PQR standards, guaranteeing meticulous quality assurance and delivering products of superior quality.
Our manufacturing prowess is backed by advanced technology, featuring Dutch DELEM CNC bending machines that expertly handle thicknesses ranging from 2mm to an impressive 100mm. We utilize Austrian Fronius welding machines, Japanese FANUC welding robots, and sophisticated laser welding seam guidance and tracking systems. This cutting-edge automated welded pipe production line ensures that our products offer exceptional uniformity and unparalleled reliability.
Weldpi proudly holds a collection of esteemed certifications, both domestic and international. Among these are the prestigious EU ISO9001 quality management system certification, TUV welding certification, and the China Pressure Pipe Manufacturing License (TS), reflecting our unwavering commitment to excellence.
Weldpi Pipe Industry is privileged to be the sole licensee in China, entrusted by the American Hastelloy Company, to collaborate, innovate, and produce a range of Hastelloy long products, marking a significant stride in our industry leadership.
Our unwavering commitment is to excellence in crafting superior quality products. We promise to deliver fast, reliable piping solutions and services to our valued customers across the globe, consistently meeting their diverse needs with utmost efficiency.
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