Types of Forgings
- Open-Die Forging: This versatile technique involves deforming metal between either flat or intricately contoured dies. It is an ideal choice for crafting large yet straightforward shapes, offering exceptional strength and ductility for robust applications.
- Closed-Die Forging: Embrace the precision of closed-die forging, where metal is completely encased within a die cavity, compelling it to conform perfectly to its shape. This method ensures intricate geometries with high precision and tighter tolerances, meeting demanding specifications.
- Hot Forging: In this process, metal is elevated beyond its recrystallization temperature, simplifying deformation. Hot forging is favored for mass production, offering efficient shaping of materials with consistent quality for large-scale manufacturing needs.
- Cold Forging: Cold forging is performed at ambient temperatures, enhancing strength through the process of work hardening. While this requires increased force, it results in superior strength characteristics, ideal for high-performance components.
Process
The forging process is comprised of several meticulously coordinated steps:
- Heating: The metal is precisely heated to an optimal temperature, preparing it for the forging process with enhanced malleability and control.
- Shaping: The art of shaping begins as the heated metal is molded using powerful mechanical presses or hammers, sculpting it into the desired form.
- Cooling: Once the shaping is complete, the forged component undergoes a cooling phase, often complemented by meticulous heat treatments to refine its properties.
- Finishing: To achieve precision and meet final specifications, additional finishing processes like detailed machining or advanced surface treatments are carried out, ensuring impeccable quality.
Dimensions
Our forged components exhibit a remarkable range of sizes, from minuscule fasteners to colossal structural parts. With standard dimensions varying from tiny millimeters to several expansive meters, they are tailored to meet the diverse demands of any application.
Applications
Forgings are the cornerstone of industries such as aerospace, automotive, and construction. Renowned for their unparalleled strength, unmatched durability, and steadfast reliability, they form the backbone of critical applications in these sectors.

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.
Proudly endorsed by the prestigious Haynes International, Inc., we uphold the rigorous ISO9001:2001 quality management system, ensuring quality and reliability that are second to none.
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 state-of-the-art factory is equipped with a comprehensive and cutting-edge production line exclusively designed for alloy steel pipes. From the very first phase of raw material evaluation to the final product approval stage, we implement rigorous PMI material re-inspection and conduct meticulous experimental data validation. We faithfully adhere to a thorough and all-encompassing SOP process, ensuring precision and excellence at every step. Our welding processes strictly comply with WPS and PQR standards, guaranteeing meticulous quality assurance and unparalleled reliability.
Our manufacturing technology is unparalleled, featuring a suite of advanced tools: Dutch DELEM CNC bending machines that effortlessly handle thicknesses ranging from 2mm to an impressive 100mm; Austrian Fronius welding machines, and Japanese FANUC welding robots. These cutting-edge tools are complemented by sophisticated laser welding seam guidance and tracking systems. This formidable and automated welded pipe production line is engineered to deliver exceptional product uniformity, reliability, and industry-leading excellence.
Weldpi has achieved a distinguished status by earning numerous prestigious certifications recognized both domestically and internationally. Our accolades include the esteemed EU ISO9001 quality management system certification, the rigorous TUV welding certification, and the authoritative China Pressure Pipe Manufacturing License (TS). These certifications are a testament to our unwavering commitment to excellence and quality.
Weldpi Pipe Industry proudly holds the exclusive authorization from the illustrious American Hastelloy Company within China. This privileged partnership enables us to collaborate dynamically, innovate ingeniously, and produce Hastelloy long products with unmatched quality and precision.
Our unwavering dedication to excellence drives us to craft products of superior quality. We are passionately committed to delivering swift, reliable, and innovative piping solutions and services to our esteemed global customers, ensuring their utmost satisfaction and success.
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