Types of Forgings
- Open-Die Forging: This technique involves deforming metal between flat or uniquely contoured dies, making it perfect for crafting large and simple shapes with remarkable strength and ductility.
- Closed-Die Forging: Here, metal is precisely molded to fill a die cavity, enabling the creation of complex shapes with exceptional precision and tight tolerances.
- Hot Forging: By heating metal above its recrystallization temperature, this method facilitates easier deformation, making it a staple in large-scale manufacturing.
- Cold Forging: Shaping metal at ambient temperatures enhances strength through work hardening, though it necessitates greater force.
Process
The sophisticated forging process unfolds through several integral steps:
- Heating: Metal is meticulously heated to the optimal temperature, setting the stage for the forging process.
- Shaping: The heated metal undergoes precise shaping, utilizing advanced mechanical presses or hammers to achieve the desired form.
- Cooling: Post-shaping, the forged piece is gradually cooled, often accompanied by a heat treatment phase for enhanced properties.
- Finishing: Additional processes, including precise machining or surface treatment, are employed to meet the ultimate specifications.
Dimensions
Forged components range vastly in size, from minute fasteners to substantial structural entities. Standard dimensions span a few millimeters to several meters, tailored to the specific application needs.
Applications
Celebrated across industries like aerospace, automotive, and construction, forgings are synonymous with unmatched strength, durability, and unwavering reliability.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, proudly 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 our quality and dependability are unmatched across the industry.
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. Moreover, our welding standards not only meet but often exceed the most stringent international criteria, including TUV certifications.
Our unwavering commitment is to provide expedited, reliable, and avant-garde metal pipeline solutions to our cherished global clientele, ensuring that every interaction surpasses expectations.




Our Our factory is equipped with a comprehensive and state-of-the-art production line dedicated to alloy steel pipes. From the critical phase of raw material evaluation to the final stages of product approval, including PMI material re-inspection and experimental data validation, we meticulously adhere to an all-encompassing SOP process. Our welding operations are executed in strict compliance with WPS and PQR standards, ensuring exceptional quality assurance at every step.
We are empowered with cutting-edge manufacturing technology, featuring Dutch DELEM CNC bending machines proficient in handling material thickness ranging from 2mm to a robust 100mm. Our arsenal also includes Austrian Fronius welding machines, Japanese FANUC welding robots, complemented by sophisticated laser welding seam guidance and tracking systems. This formidable automated welded pipe production line is a testament to our commitment to delivering products of exceptional uniformity and unwavering reliability.
Weldpi has earned numerous prestigious certifications both domestically and internationally, including the esteemed EU ISO9001 quality management system certification, the revered TUV welding certification, and the distinguished China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry is privileged to hold the exclusive authorization from the renowned American Hastelloy Company in China, allowing us to collaborate, innovate, and produce high-caliber Hastelloy long products.
Our steadfast dedication to quality is unwavering, as we persistently strive to craft products of superior excellence. We are deeply committed to delivering rapid and reliable piping solutions and services to our esteemed global clientele, ensuring their utmost 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