Types of Forgings
- Open-Die Forging: This robust method involves deforming metal between flat or uniquely contoured dies, making it an excellent choice for crafting large, straightforward shapes. It is renowned for delivering exceptional strength and ductility, ensuring products meet the highest standards.
- Closed-Die Forging: In this precision process, metal is completely enclosed within a die cavity and shaped to match its contours exactly. This technique excels in producing intricate geometries with exceptional accuracy and tight tolerances.
- Hot Forging: By heating the metal above its recrystallization temperature, this popular method significantly eases deformation, making it ideal for high-volume production scenarios, maximizing efficiency and performance.
- Cold Forging: Conducted at ambient temperatures, this method enhances metal strength through work hardening. Although it may require greater force, it results in superior material properties, ensuring unparalleled strength and durability.
Process
The forging process typically involves a series of meticulous steps:
- Heating: The metal is precisely heated to the optimal temperature, laying the foundation for a successful forging process.
- Shaping: Utilizing advanced mechanical presses or hammers, the expertly heated metal is crafted into its intended form.
- Cooling: Post-shaping, the forged component undergoes a controlled cooling phase, which may be complemented by subsequent heat treatments to enhance quality.
- Finishing: To achieve final specifications, the part may undergo further machining or sophisticated surface treatments, ensuring a flawless finish.
Dimensions
Forged components boast a remarkable range of sizes, from the tiniest fasteners to monumental structural elements. Standard dimensions span from mere millimeters to impressive meters, tailored to diverse applications.
Applications
Esteemed for their unrivaled strength, durability, and dependability, forgings are integral to industries such as aerospace, automotive, and construction, cementing their role as essential components.

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, ensuring that every product embodies our promise of 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 frequently exceed premier international criteria, including TUV certifications.
Our steadfast commitment is to provide expedited, reliable, and cutting-edge metal pipeline solutions to our cherished global clientele.




Our Our factory boasts a state-of-the-art, fully integrated production line dedicated to alloy steel pipes. From the meticulous evaluation of raw materials to the rigorous validation of experimental data and the final product approval, we adhere to a comprehensive SOP protocol. Our welding processes are meticulously aligned with WPS and PQR standards, ensuring top-tier quality assurance every step of the way.
We are equipped with cutting-edge manufacturing technology, featuring Dutch DELEM CNC bending machines that proficiently manage thicknesses ranging from 2mm to 100mm. Our technology repertoire includes Austrian Fronius welding machines and Japanese FANUC welding robots, augmented by laser welding seam guidance and tracking systems. This formidable automated welded pipe production line ensures outstanding product uniformity and reliability, setting industry standards.
Weldpi has achieved numerous esteemed domestic and international certifications. These include the prestigious EU ISO9001 quality management system certification, the TUV welding certification, and the China Pressure Pipe Manufacturing License (TS), highlighting our commitment to unparalleled excellence.
Weldpi Pipe Industry proudly holds the exclusive authorization by the American Hastelloy Company within China. This prestigious collaboration empowers us to innovate and produce Hastelloy long products, pushing the boundaries of excellence and ingenuity.
Our steadfast dedication to excellence drives us to craft superior quality products. We are committed to delivering swift and reliable piping solutions and services to our valued global clientele, ensuring their satisfaction and success at every turn.
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