Types of Forgings
- Open-Die Forging: Experience the robustness of metal as it transforms between flat or contoured dies. This time-honored method is ideal for crafting large, simple shapes, ensuring impeccable strength and remarkable ductility.
- Closed-Die Forging: Discover the precision of metal shaping as it gracefully conforms within an enclosed die cavity. Perfect for intricate designs and demanding tolerances, this technique allows for complex geometries with superb accuracy.
- Hot Forging: Elevate your production with hot forging, where metal is expertly heated above its recrystallization temperature. This method streamlines deformation and is a staple for efficient large-scale manufacturing.
- Cold Forging: At the forefront of innovation, cold forging shapes metals at room temperature. This approach enhances strength through work hardening, though it may require greater force, it promises unmatched resilience.
Process
The forging process is a meticulous journey through several pivotal steps:
- Heating: Begin by meticulously heating the metal to the exact temperature needed for the forging process, setting the stage for seamless transformation.
- Shaping: Watch as the heated metal is skillfully shaped by powerful mechanical presses or hammers, a testament to engineering excellence.
- Cooling: Once shaped, the forged part takes a moment to cool down, often followed by a heat treatment to enhance its properties.
- Finishing: The journey culminates in finishing touches, where additional processes such as precision machining or surface treatments are applied to meet exacting final specifications.
Dimensions
Forged components can span an impressive range in size, from minute fasteners to monumental structural parts. Standard sizes generally extend from a few millimeters to several meters, tailored to meet specific applications.
Applications
Embrace the versatility of forgings, a staple in industries like aerospace, automotive, and construction, valued for their unparalleled strength, enduring durability, and steadfast reliability.

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 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 boasts a state-of-the-art, comprehensive production line specifically tailored for alloy steel pipes. From the very first step of raw material assessment to the final stages of product approval, including PMI material re-inspection and thorough experimental data validation, we adhere to an all-encompassing SOP process. Our welding processes consistently meet the stringent WPS and PQR standards, ensuring an impeccable quality assurance regime.
We are equipped with highly advanced manufacturing technology, featuring cutting-edge Dutch DELEM CNC bending machines that manage thickness ranges from 2mm to an impressive 100mm; Austrian Fronius welding machines, coupled with sophisticated Japanese FANUC welding robots, complemented by laser welding seam guidance and tracking systems. This powerful, automated welded pipe production line ensures exceptional uniformity and reliability across all our products.
Weldpi has been recognized with numerous prestigious domestic and international certifications, including the esteemed EU ISO9001 quality management system certification, the TUV welding certification, and the China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry takes great pride in holding the exclusive authorization from the esteemed American Hastelloy Company in China, positioning us to collaborate, innovate, and produce Hastelloy long products with unparalleled expertise.
Our steadfast commitment to crafting superior quality products drives us to deliver prompt and reliable piping solutions and services to our valued global customers, ensuring their utmost 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