Types of Forgings
- Open-Die Forging: In this method, metal undergoes deformation between either flat or intricately contoured dies. Perfectly suited for crafting large, uncomplicated shapes, this technique ensures superior strength and remarkable ductility.
- Closed-Die Forging: In this sophisticated technique, metal is completely enclosed within a die cavity, compelling it to conform to the cavity's shape. This process is ideal for achieving complex geometries and maintaining tighter tolerances.
- Hot Forging: Here, metal is elevated beyond its recrystallization temperature, rendering it more pliable for deformation. This method stands out as a favorite for mass production scales.
- Cold Forging: Shaping the metal at ambient room temperature enhances strength through the phenomenon of work hardening, albeit demanding higher force applications.
Process
The comprehensive forging process generally unfolds through a series of methodical steps:
- Heating: Metal is meticulously heated to an optimal temperature, priming it perfectly for the forging procedure.
- Shaping: Using state-of-the-art mechanical presses or powerful hammers, the heated metal is expertly shaped.
- Cooling: Following the shaping phase, the forged component is allowed to gently cool, occasionally accompanied by strategic heat treatment to enhance its properties.
- Finishing: To meet precise final specifications, additional procedures such as machining or surface treatments may be employed, ensuring perfection.
Dimensions
Forged components exhibit remarkable versatility in size, ranging from tiny fasteners to expansive structural elements. Standard dimensions span from mere millimeters to vast meters, tailored to specific applications.
Applications
Renowned for their unparalleled strength, durability, and reliability, forgings find extensive usage across pivotal industries like aerospace, automotive, and construction.

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.
Endorsed by the prestigious Haynes International, Inc., our company upholds the rigorous ISO9001:2001 quality management system, ensuring every product is synonymous with unmatched quality and reliability.
Our distinguished credentials exemplify our relentless pursuit of excellence. We boast the illustrious EU EN3.1 certificates and the TS pressure pipeline component manufacturing license. Our welding standards not only meet but often surpass premier international criteria, including TUV certifications.
Our unwavering commitment is to deliver expedited, reliable, and cutting-edge metal pipeline solutions to our valued global clientele.




Our Our factory boasts a state-of-the-art, all-encompassing production line dedicated to creating premium alloy steel pipes. From the meticulous evaluation of raw materials to the final product's rigorous assessment, including PMI material re-inspection and thorough experimental data validation, we adhere to a stringent SOP process. Our sophisticated welding processes strictly comply with WPS and PQR standards, ensuring unmatched quality assurance.
Equipped with cutting-edge manufacturing technology, our facility features: Dutch DELEM CNC bending machines adept at handling material thicknesses ranging from 2mm to 100mm; Austrian Fronius welding machines; Japanese FANUC welding robots; and advanced laser welding seam guidance and tracking systems. This impressive, highly automated welded pipe production line ensures consistent product uniformity and exceptional reliability.
Weldpi has achieved a remarkable array of esteemed domestic and global certifications, such as the EU ISO9001 quality management system certification, TUV welding certification, and the prestigious China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry proudly holds the exclusive authorization from the renowned American Hastelloy Company in China, fostering a collaborative environment to innovate and produce Hastelloy long products.
Our unwavering commitment is to deliver outstanding quality products with excellence. We are dedicated to providing fast, reliable piping solutions and exceptional services to our valued global clientele.
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