Types of Forgings
- Open-Die Forging: In this masterful process, metal is artfully deformed between flat or intricately contoured dies. This outstanding method is ideal for crafting large, simple shapes, offering remarkable strength and impressive ductility.
- Closed-Die Forging: Here, the metal is meticulously enclosed within a die cavity and expertly shaped to conform to its intricate contours. This method dazzles with its ability to produce complex geometries and achieve tighter tolerances with precision.
- Hot Forging: The metal is exquisitely heated above its recrystallization temperature, enhancing its malleability for seamless deformation. Widely embraced in large-scale production, this method ensures efficient and superior results.
- Cold Forging: At room temperature, the metal is skillfully shaped, gaining enhanced strength through the process of work hardening. While it may demand higher forces, the results boast a remarkable increase in material strength.
Process
The intricate art of forging unfolds through a series of meticulous steps, each contributing to the creation of exceptional components:
- Heating: The metal is precisely heated to reach the optimal temperature, setting the stage for the forging process to commence.
- Shaping: At this pivotal juncture, the heated metal is expertly shaped using powerful mechanical presses or hammers, transforming it into the desired form.
- Cooling: Following the intricate shaping phase, the forged masterpiece is allowed to cool, occasionally complemented by a sophisticated heat treatment to enhance its properties.
- Finishing: To achieve the precise final specifications, additional refining processes such as meticulous machining or advanced surface treatment may be employed.
Dimensions
Forged components showcase an impressive range in size, from tiny fasteners to monumental structural parts. Standard dimensions span from mere millimeters to several meters, tailored to meet diverse application needs.
Applications
Forgings stand as the epitome of strength, durability, and reliability, finding widespread use across vital industries such as 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, setting itself apart as a distinguished leader in the stainless steel, titanium, and nickel alloy welded pipe industry. With unwavering dedication to quality and innovation, we consistently deliver excellence and maintain a firm position of leadership.
With the prestigious endorsement of Haynes International, Inc., we honor and uphold the rigorous standards of the ISO9001:2001 quality management system. This steadfast commitment ensures that we provide products of unmatched quality and reliability, reinforcing our reputation for excellence.
Our distinguished credentials are a testament to our relentless pursuit of quality. We proudly feature the illustrious EU EN3.1 certificates and the respected TS pressure pipeline component manufacturing license. Our welding standards not only meet but often exceed the premier international criteria, including the esteemed TUV certifications, underscoring our commitment to excellence.
Our firm and unwavering commitment is to provide expedited, reliable, and avant-garde metal pipeline solutions to our cherished clients worldwide. We strive to meet the evolving needs of our global clientele with precision and innovation, ensuring exceptional service at every step.




Our Our factory boasts a state-of-the-art and comprehensive production line for alloy steel pipes. From the very first evaluation of raw materials to the final product approval, we implement a rigorous SOP process that encompasses PMI material re-inspection and thorough experimental data validation. Our welding procedures are in strict compliance with WPS and PQR standards, ensuring a robust framework of meticulous quality assurance.
We are equipped with cutting-edge manufacturing technology, including: Dutch DELEM CNC bending machines designed to handle thicknesses ranging from 2mm to an impressive 100mm; Austrian Fronius welding machines; sophisticated Japanese FANUC welding robots alongside advanced laser welding seam guidance and tracking systems. This powerful automated welded pipe production line is the backbone of our commitment to delivering exceptional product uniformity and unparalleled reliability.
Weldpi has achieved numerous prestigious certifications both domestically and internationally, such as the esteemed EU ISO9001 quality management system certification, the rigorous TUV welding certification, and the China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry takes immense pride in holding the exclusive authorization from the American Hastelloy Company in China to collaborate, innovate, and produce Hastelloy long products. This partnership underscores our commitment to excellence and innovation in the industry.
Our steadfast dedication is to the craftsmanship of superior quality products. We pledge to provide swift, reliable piping solutions and services to our cherished global clientele, ensuring their satisfaction and trust in our brand.
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