Types of Forgings
- Open-Die Forging: In this dynamic process, metal is artfully deformed between flat or contoured dies, making it an ideal choice for crafting large, straightforward shapes. The result? Exceptional strength and impressive ductility.
- Closed-Die Forging: Here, metal is ingeniously enclosed within a die cavity, compelling it to adopt the die's intricate shape. This precise method enables the creation of more complex geometries with tighter tolerances, perfect for high-precision applications.
- Hot Forging: By elevating the metal above its recrystallization temperature, this method simplifies deformation, making it a staple for large-scale production. It's a popular choice for efficiently producing robust components.
- Cold Forging: This technique involves shaping metal at ambient room temperatures, enhancing its strength through work hardening. Although it requires greater forces, the result is a remarkably resilient product.
Process
The forging process typically involves several crucial steps:
- Heating: Initially, the metal is meticulously heated to the precise temperature required for the forging process, setting the stage for transformation.
- Shaping: Next, the heated metal takes form as it's expertly shaped using mechanical presses or hammers, crafting it into the desired configuration.
- Cooling: Once shaped, the forged component is allowed to cool gradually, sometimes enhanced by subsequent heat treatment to ensure optimal properties.
- Finishing: Finally, additional processes such as machining or surface treatment are applied, achieving the immaculate final specifications.
Dimensions
Forged components exhibit remarkable versatility in size, spanning from minute fasteners to grand structural parts. Standard dimensions typically range from mere millimeters to several meters, tailored to the specific application.
Applications
Renowned for their strength, durability, and reliability, forgings find extensive application across diverse industries, including aerospace, automotive, and construction, where they play an indispensable role.

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 comprehensive, state-of-the-art production line for alloy steel pipes. From the meticulous initial raw material evaluation to the rigorous final product approval, PMI material re-inspection, and accurate experimental data validation, we adhere strictly to an all-encompassing SOP process. Our welding procedures are carefully aligned with WPS and PQR standards, ensuring unparalleled quality assurance and precision.
We are equipped with cutting-edge manufacturing technology that includes: Dutch DELEM CNC bending machines capable of expertly handling thickness from 2mm to 100mm; the precision of Austrian Fronius welding machines, the efficiency of Japanese FANUC welding robots, along with advanced laser welding seam guidance and tracking systems. This formidable automated welded pipe production line guarantees exceptional product uniformity, unmatched reliability, and superior performance.
Weldpi has proudly achieved numerous prestigious domestic and international certifications, including the highly regarded EU ISO9001 quality management system certification, the esteemed TUV welding certification, and the respected China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry is privileged to hold the exclusive authorization from the American Hastelloy Company in China, enabling us to collaborate, innovate, and produce Hastelloy long products with exceptional precision and quality.
Our unwavering dedication is to crafting superior quality products, with a steadfast commitment to providing swift, 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