Types of Forgings
- Open-Die Forging: In this method, metal is gracefully transformed between flat or skillfully contoured dies. Perfectly designed for large, uncomplicated shapes, it offers excellent strength and impressive ductility.
- Closed-Die Forging: Here, the metal is masterfully enclosed in a die cavity, compelling it to adopt the cavity's shape. This technique excels in creating intricate geometries with unmatched precision and tighter tolerances.
- Hot Forging: The metal is artfully heated beyond its recrystallization temperature, easing deformation. This method is a staple for high-volume production, ensuring efficiency and consistency.
- Cold Forging: At room temperature, the metal is elegantly shaped, enhancing its strength through work hardening, though it demands greater force.
Process
The forging process typically involves a sequence of meticulous steps:
- Heating: The metal is adeptly heated to the precise temperature required for a flawless forging process.
- Shaping: The heated metal is then expertly shaped using powerful mechanical presses or hammers to achieve desired forms.
- Cooling: Post-shaping, the forged piece is allowed to cool naturally, often followed by specialized heat treatments for enhanced properties.
- Finishing: Final touches, such as precision machining or surface treatments, may be applied to meet exact specifications and elevate the final product's quality.
Dimensions
Forged components showcase an impressive range of sizes, from tiny fasteners to monumental structural parts. Standard dimensions span a few millimeters to several meters, tailored to specific applications.
Applications
Forgings, renowned for their unbeatable strength, durability, and reliability, are extensively employed across sectors like aerospace, automotive, and construction.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, leading the industry of stainless steel, titanium, and nickel alloy welded pipes with distinction and innovation.
With the prestigious endorsement from Haynes International, Inc., we adhere to the rigorous ISO9001:2001 quality management system. This guarantees our products deliver unmatched quality and dependability every single time.
Our distinguished credentials display our relentless pursuit of quality. We proudly hold the illustrious EU EN3.1 certificates and the TS pressure pipeline component manufacturing license. Our welding standards not only meet but frequently exceed premier international criteria, including esteemed TUV certifications.
At Wuxi Weldpi, our steadfast commitment is to provide expedited, reliable, and avant-garde metal pipeline solutions, tailored to meet the diverse needs of our cherished global clientele.




Our Our factory prides itself on a state-of-the-art, comprehensive production line dedicated to alloy steel pipes. From the initial assessment of raw materials to the final endorsement of the finished product, every step follows a rigorous, all-inclusive SOP process. We prioritize PMI material re-inspection and conduct thorough experimental data validation to ensure the highest standards. Our welding operations conform strictly to WPS and PQR standards, providing meticulous quality assurance at every stage.
Equipped with cutting-edge manufacturing technology, our facilities boast: Dutch DELEM CNC bending machines capable of seamlessly handling thicknesses from 2mm to an impressive 100mm; Austrian Fronius welding machines, Japanese FANUC welding robots, along with advanced laser welding seam guidance and tracking systems. This robust automated welded pipe production line ensures unparalleled product uniformity and reliability, setting new benchmarks in the industry.
Weldpi has achieved numerous prestigious certifications, both domestically and internationally. Among these are the esteemed EU ISO9001 quality management system certification, TUV welding certification, and the notable China Pressure Pipe Manufacturing License (TS), affirming our commitment to excellence and precision.
Weldpi Pipe Industry is proud to have earned the exclusive authorization from the esteemed American Hastelloy Company in China. This unique partnership allows us to collaborate, innovate, and produce premium Hastelloy long products, further reinforcing our position as industry leaders.
Our unwavering commitment to excellence drives us to craft products of superior quality. We are dedicated to delivering swift and reliable piping solutions and services to our valued global customers, ensuring their needs are met with the highest degree of 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