Types of Forgings
- Open-Die Forging: In this robust and versatile method, metal is impressively deformed between flat or creatively contoured dies. Best suited for crafting large, straightforward shapes, this approach endows the final product with remarkable strength and ductility, perfect for demanding applications.
- Closed-Die Forging: Experience the precision of closed-die forging, where metal is skillfully enclosed within a die cavity and masterfully shaped. This technique excels in creating complex geometries and achieving tighter tolerances, making it ideal for intricate engineering demands.
- Hot Forging: Embrace the efficiency of hot forging, where metal is expertly heated beyond its recrystallization threshold, facilitating ease of deformation. This process is a staple in large-scale production, ensuring high-quality results with every forging.
- Cold Forging: Cold forging delivers exceptional strength by shaping metal at room temperature, enhancing durability through work hardening. While it may require greater forces, the results offer unparalleled precision and robustness.
Process
The forging process is a meticulous journey involving several expertly coordinated steps:
- Heating: Begin by heating the metal to the meticulously chosen temperature essential for optimal forging.
- Shaping: The art of shaping unfolds as the heated metal is expertly molded using advanced mechanical presses or hammers, bringing designs to life.
- Cooling: Once shaped, the forged masterpiece undergoes controlled cooling, often accompanied by precision heat treatment to perfect its properties.
- Finishing: Reaching the pinnacle of perfection, additional sophisticated processes such as machining or premium surface treatments may be employed to meet exacting specifications.
Dimensions
Discover the versatility of forged components, which can range dramatically in size from diminutive fasteners to impressive large structural parts. Standard dimensions can vary from a few millimeters to several meters, perfectly tailored to diverse applications.
Applications
Forgings are the backbone of industries like aerospace, automotive, and construction, celebrated for their outstanding strength, durability, and reliability. These masterfully crafted components meet the rigorous demands of modern engineering challenges.

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 proudly showcases a state-of-the-art, comprehensive production line dedicated to alloy steel pipes. From the initial raw material evaluation to rigorous final product approval, PMI material re-inspection, and detailed experimental data validation, we adhere strictly to an all-encompassing SOP process. Our welding procedures are in full compliance with WPS and PQR standards, ensuring meticulous and uncompromising quality assurance.
We are equipped with cutting-edge manufacturing technology that includes: Dutch DELEM CNC bending machines, adept at managing thickness from 2mm to 100mm; renowned Austrian Fronius welding machines; advanced Japanese FANUC welding robots; complemented by laser-guided seam welding and sophisticated tracking systems. This robust, automated welded pipe production line ensures outstanding product uniformity and reliability, elevating our standards to the highest levels.
Weldpi is distinguished by numerous prestigious certifications from both domestic and international bodies, such as the esteemed EU ISO9001 quality management system certification, the respected TUV welding certification, and the authoritative China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry is privileged to have the exclusive authorization from the American Hastelloy Company in China, enabling us to collaborate, innovate, and produce high-quality Hastelloy long products.
Our unwavering commitment is to craft products of superior quality, while delivering swift and reliable piping solutions and services to our valued 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