Types of Forgings
- Open-Die Forging: In this method, metal is artfully deformed between either flat or intricately contoured dies, making it an ideal choice for large, straightforward shapes. This process not only imparts impressive strength but also ensures excellent ductility, making it a staple for robust applications.
- Closed-Die Forging: In this sophisticated method, the metal is completely enclosed within a die cavity and expertly molded to the desired shape. This technique enables the creation of intricate geometries and ensures precision with tighter tolerances, perfect for complex design needs.
- Hot Forging: Here, the metal is meticulously heated above its recrystallization temperature, transforming it into a pliable state that's easier to mold. This approach is particularly prevalent in large-scale production, where efficiency and scalability are paramount.
- Cold Forging: The metal is elegantly shaped at ambient room temperature, enhancing its strength through work hardening. Although higher forces may be required, this method is celebrated for producing components with remarkable strength.
Process
The forging process is typically composed of several essential steps:
- Heating: Initially, the metal is carefully heated to achieve the optimal temperature required for the forging process.
- Shaping: Next, the heated metal is adeptly shaped using powerful mechanical presses or hammers, crafting it into the desired form.
- Cooling: Following shaping, the forged part is gently allowed to cool, occasionally supplemented by precise heat treatments to enhance properties.
- Finishing: Finally, a range of additional processes such as intricate machining or advanced surface treatments may be employed to meet final specifications and achieve perfection.
Dimensions
Forged components exhibit a vast spectrum of sizes, ranging from diminutive fasteners to colossal structural parts. Standard dimensions typically span from a few millimeters to several meters, tailored to suit diverse applications and demands.
Applications
Forgings are extensively utilized across various industries including aerospace, automotive, and construction, revered for their unmatched strength, enduring durability, and steadfast reliability.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, propelling the stainless steel, titanium, and nickel alloy welded pipe industry to new heights with distinction.
With the prestigious endorsement of Haynes International, Inc., we unwaveringly adhere to the rigorous ISO9001:2001 quality management system, ensuring unmatched quality and dependability that sets us apart.
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Our Our factory proudly boasts a state-of-the-art production line specialized in alloy steel pipes. From the meticulous evaluation of raw materials to the rigorous approval of the final product, including PMI material re-inspection and thorough experimental data validation, we adhere to a comprehensive SOP process. Our welding processes strictly conform to WPS and PQR standards, guaranteeing unparalleled quality assurance.
Equipped with the pinnacle of manufacturing technology, our facilities include Dutch DELEM CNC bending machines adept at managing thicknesses ranging from 2mm to 100mm, Austrian Fronius welding machines, and Japanese FANUC welding robots. Complemented by laser welding seam guidance and tracking systems, this remarkable automated welded pipe production line promises outstanding product uniformity and reliability.
Weldpi has achieved numerous esteemed domestic and international certifications, such as the prestigious EU ISO9001 quality management system certification, TUV welding certification, and the prestigious China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry takes great pride in holding the exclusive authorization from the esteemed American Hastelloy Company in China, empowering us to collaborate, innovate, and produce superior Hastelloy long products.
Our steadfast commitment to excellence drives us to craft products of superior quality, while we remain devoted to delivering swift and reliable piping solutions and services to our esteemed global customers.
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