Types of Forgings
- Open-Die Forging: In the open-die forging process, metal is skillfully deformed between flat or intricately designed contoured dies. This versatile method is ideal for crafting large and relatively simple shapes while ensuring enhanced strength and impressive ductility.
- Closed-Die Forging: With closed-die forging, metal is completely encased within a die cavity, compelling it to conform to its detailed shape. This advanced method is perfect for achieving complex geometries with precision and maintaining tighter tolerances.
- Hot Forging: Hot forging involves heating the metal above its recrystallization temperature, greatly easing its deformation process. This technique is predominantly used in large-scale production, facilitating the creation of robust components.
- Cold Forging: Cold forging shapes metal at ambient temperatures, leveraging work hardening to bolster strength, though it may necessitate higher force application. This method is favored for achieving precise dimensions and superior surface finish.
Process
The forging process typically involves several meticulously planned steps:
- Heating: Initially, the metal is heated to an optimal temperature, preparing it for the subsequent forging process and ensuring malleability.
- Shaping: Once heated, the metal is expertly shaped using mechanical presses or powerful hammers, crafting it into the desired form with precision.
- Cooling: Following the shaping stage, the forged part is allowed to cool naturally, often complemented by strategic heat treatment to enhance its properties.
- Finishing: To achieve the final specifications, additional meticulous processes such as precise machining or refined surface treatment may be undertaken, ensuring the component meets exacting standards.
Dimensions
Forged components present a remarkable variability in size, catering to a spectrum from small fasteners to massive structural parts. Their standard dimensions typically range from mere millimeters to several meters, tailored to meet diverse application needs.
Applications
Renowned for their unparalleled strength, durability, and reliability, these forgings find extensive application across crucial industries such as aerospace, automotive, and construction, where performance and resilience are paramount.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, trailblazing the stainless steel, titanium, and nickel alloy welded pipe industry with a legacy of distinction.
With the prestigious endorsement of Haynes International, Inc., we steadfastly adhere to the rigorous ISO9001:2001 quality management system, ensuring unmatched quality and unwavering dependability.
Our distinguished credentials are a testament to our relentless pursuit of quality, showcasing the illustrious EU EN3.1 certificates and the prestigious TS pressure pipeline component manufacturing license. Our welding standards not only meet but frequently surpass premier international benchmarks, including esteemed TUV certifications.
Our unwavering commitment is to provide expedited, reliable, and cutting-edge metal pipeline solutions to our cherished global clientele, offering unparalleled service and innovation.




Our Our factory showcases a top-of-the-line, state-of-the-art production line specializing in alloy steel pipes. From the meticulous initial raw material evaluation to the rigorous final product approval, including PMI material re-inspection and comprehensive experimental data validation, we adhere strictly to a robust, all-encompassing SOP process. Our welding processes meet the stringent WPS and PQR standards, ensuring an unparalleled level of quality assurance.
We are equipped with cutting-edge manufacturing technology, featuring: Dutch DELEM CNC bending machines with the ability to handle impressive thickness ranges from 2mm to an astounding 100mm; Austrian Fronius welding machines, and Japanese FANUC welding robots, augmented with sophisticated laser welding seam guidance and tracking systems. This formidable and fully automated welded pipe production line ensures exceptional product uniformity, reliability, and superior performance.
Weldpi proudly holds numerous prestigious domestic and international certifications, including the esteemed EU ISO9001 quality management system certification, the highly respected TUV welding certification, and the authoritative China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry is privileged to have the exclusive authorization from the American Hastelloy Company in China, enabling us to collaborate, innovate, and produce high-quality Hastelloy long products.
Our unwavering commitment is to the crafting of superior quality products. We are steadfast in our mission to deliver swift, reliable, and efficient piping solutions and services to our valued global customers, ensuring their absolute 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