Types of Forgings
- Open-Die Forging: In open-die forging, metal is skillfully deformed between either flat or intricately contoured dies. This method is ideal for crafting large, simple shapes while ensuring superior strength and impressive ductility.
- Closed-Die Forging: In this precise method, metal is expertly enclosed within a die cavity, compelling it to assume the desired shape. It is perfect for creating complex geometries with unparalleled precision and tighter tolerances.
- Hot Forging: During hot forging, metal is heated beyond its recrystallization temperature, easing deformation. This method is prevalent in large-scale production, ensuring efficiency and quality.
- Cold Forging: At room temperature, metal is meticulously shaped, enhancing strength through work hardening. While it may require more substantial forces, the result is a robust and resilient product.
Process
The forging process typically involves several well-coordinated steps:
- Heating: Metal is precisely heated to the optimal temperature, setting the stage for the forging process.
- Shaping: The expertly heated metal is then adeptly shaped using mechanical presses or hammers, forming the core of the forging process.
- Cooling: Post shaping, the forged part is allowed to gracefully cool, often followed by a heat treatment to enhance its properties.
- Finishing: Additional meticulous processes such as machining or surface treatment may be applied to meet the precise final specifications.
Dimensions
Forged components can display remarkable variability in size, stretching from small fasteners to substantial structural parts. Standard dimensions may range from mere millimeters to several meters, tailored to the application's needs.
Applications
Forgings are indispensable across industries like aerospace, automotive, and construction, celebrated for their unparalleled strength, enduring durability, and unwavering reliability.

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.
Endorsed by the renowned Haynes International, Inc., we unwaveringly adhere to the rigorous ISO9001:2001 quality management system, ensuring unrivaled quality and dependability for our products and services.
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 frequently surpass 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 epitomizes a pinnacle of industrial advancement with its comprehensive, state-of-the-art production line dedicated to alloy steel pipes. From the meticulous initial raw material evaluation to the final product approval, including PMI material re-inspection and experimental data validation, we adhere to an exhaustive and all-encompassing SOP process. Our welding protocols are rigorously aligned with WPS and PQR standards, guaranteeing meticulous quality assurance at every phase.
We are equipped with cutting-edge manufacturing technology, featuring: Dutch DELEM CNC bending machines skillfully adept at handling thickness ranging from 2mm to an impressive 100mm; Austrian Fronius welding machines, Japanese FANUC welding robots, complemented by sophisticated laser welding seam guidance and tracking systems. This formidable and automated welded pipe production line assures remarkable product uniformity, reliability, and excellence.
Weldpi has proudly achieved numerous esteemed domestic and international certifications, such as the EU ISO9001 quality management system certification, the prestigious TUV welding certification, and the authoritative China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry is privileged to possess the exclusive authorization from the American Hastelloy Company in China, enabling us to collaborate, innovate, and produce superior Hastelloy long products.
Our steadfast commitment is to the art of crafting products of unparalleled quality, and we are devoted to delivering swift and reliable piping solutions and services to our esteemed global clientele.
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