Types of Forgings
- Open-Die Forging: Witness the power of open-die forging, where metal is skillfully deformed between flat or intricately contoured dies. This robust method is ideal for crafting large, straightforward shapes, delivering unparalleled strength and ductility.
- Closed-Die Forging: Dive into the precision world of closed-die forging, where metal is artfully enclosed in a die cavity to assume its designated shape. This sophisticated technique supports more intricate geometries and achieves tighter tolerances.
- Hot Forging: Embrace the efficiency of hot forging, where metal is heated beyond its recrystallization threshold, allowing for seamless deformation. Perfect for mass production, this method ensures high-quality outcomes on a large scale.
- Cold Forging: Discover the advantages of cold forging, which shapes metal at room temperature, increasing its strength through work hardening. While it may demand higher forces, the results speak for themselves in terms of durability.
Process
The forging process typically involves several meticulously crafted steps:
- Heating: Begin with precision heating, where metal is warmed to the exact temperature needed for its transformation.
- Shaping: Enter the shaping stage, where the heated metal is expertly molded using advanced mechanical presses or powerful hammers.
- Cooling: After shaping, the forged masterpiece is allowed to cool naturally, sometimes supplemented by a precise heat treatment.
- Finishing: To perfect the piece, additional finishing processes such as machining or surface treatments are employed to meet exact specifications.
Dimensions
Forged components showcase immense versatility in size, ranging from tiny fasteners to colossal structural elements. Standard dimensions span from a few millimeters to several meters, tailored to diverse applications.
Applications
Forgings are the cornerstone of industries like aerospace, automotive, and construction, renowned for their unparalleled strength, enduring durability, and unwavering reliability.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, proudly leading the industry in stainless steel, titanium, and nickel alloy welded pipes with unmatched distinction.
With the prestigious endorsement of Haynes International, Inc., we unwaveringly adhere to the rigorous ISO9001:2001 quality management system, ensuring unmatched quality and reliability every step of the way.
Our distinguished credentials are a testament to our relentless pursuit of excellence, boasting the illustrious EU EN3.1 certificates and the coveted TS pressure pipeline component manufacturing license. Our welding standards consistently meet and often surpass premier international criteria, such as TUV certifications.
Our unwavering commitment is to deliver expedited, reliable, and cutting-edge metal pipeline solutions to our esteemed global clientele.




Our Company Our factory boasts a comprehensive, state-of-the-art production line dedicated to alloy steel pipes. From meticulous raw material evaluation to the final stamp of approval on our products, we adhere to a thorough and all-encompassing SOP process. This includes PMI material re-inspection and rigorous experimental data validation. Our welding processes meet the stringent requirements of WPS and PQR standards, ensuring unparalleled quality assurance at every step.
Equipped with cutting-edge manufacturing technology, we employ Dutch DELEM CNC bending machines that expertly manage thicknesses ranging from 2mm to an impressive 100mm. Our arsenal includes Austrian Fronius welding machines and precision Japanese FANUC welding robots, complemented by sophisticated laser welding seam guidance and tracking systems. This robust automated welded pipe production line assures our clients of unparalleled product uniformity and reliability.
Weldpi has achieved numerous coveted domestic and international certifications. We are proud bearers of the EU ISO9001 quality management system certification, the esteemed TUV welding certification, and the prestigious China Pressure Pipe Manufacturing License (TS).
The Weldpi Pipe Industry is privileged to be entrusted with the exclusive authorization from the renowned American Hastelloy Company in China. This collaboration enables us to innovate and produce superior Hastelloy long products.
Our steadfast commitment is to produce products of outstanding quality. We strive to provide swift, reliable piping solutions and world-class 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