Types of Forgings
- Open-Die Forging: In the realm of Open-Die Forging, metal is expertly deformed between flat or intricately contoured dies. This forging method excels when crafting large, simple shapes, boasting remarkable strength and ductility that meet demanding standards.
- Closed-Die Forging: Closed-Die Forging involves enclosing metal within a meticulously designed die cavity, compelling it to conform to intricate shapes. This sophisticated approach enables the creation of complex geometries with exceptional precision and tighter tolerances.
- Hot Forging: In Hot Forging, the metal is meticulously heated beyond its recrystallization temperature, facilitating easier deformation. This technique is a cornerstone of large-scale production, where efficiency and consistency are paramount.
- Cold Forging: Cold Forging involves shaping metal at ambient temperatures, significantly boosting its strength through work hardening. Although this method may necessitate higher forces, it results in exceptionally strong and durable components.
Process
The forging process is a meticulously orchestrated series of steps, each crucial to the integrity of the final product:
- Heating: Initially, the metal is precisely heated to reach the optimal temperature required for the forging process.
- Shaping: Once heated, the metal is expertly shaped using high-pressure mechanical presses or hammers, forming it into the desired configuration.
- Cooling: After achieving the desired shape, the forged part is allowed to cool naturally, possibly followed by a meticulously controlled heat treatment to enhance properties.
- Finishing: Finishing encompasses additional processes such as precision machining or advanced surface treatments, ensuring the components meet the exact specifications required for their intended application.
Dimensions
Forged components exhibit a vast range of sizes, from minuscule fasteners to monumental structural parts. Typical sizes span from just a few millimeters to several meters, tailored to suit diverse applications.
Applications
Forgings hold a prestigious place in industries such as aerospace, automotive, and construction, celebrated for their unparalleled strength, durability, and unwavering reliability.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, setting the bar high in the stainless steel, titanium, and nickel alloy welded pipe industry with its remarkable distinction and leadership.
Proudly bearing the prestigious endorsement of Haynes International, Inc., we unswervingly adhere to the rigorous standards of the ISO9001:2001 quality management system. This ensures that we deliver quality and dependability that are truly unmatched.
Our distinguished credentials are a testament to our relentless pursuit of excellence, showcasing the illustrious EU EN3.1 certificates and the definitive TS pressure pipeline component manufacturing license. Our welding standards are designed not only to meet but frequently to surpass the most elite international criteria, including those set by TUV certifications.
Our unwavering commitment is dedicated to offering expedited, reliable, and cutting-edge metal pipeline solutions to our valued global clientele, ensuring innovation and satisfaction at every turn.




Our Our state-of-the-art factory boasts a fully integrated, advanced production line designed for crafting exceptional alloy steel pipes. From the meticulous evaluation of raw materials to the rigorous final product approval, including PMI material re-inspection and thorough experimental data validation, we adhere to an exhaustive SOP process. Our welding processes are executed in strict compliance with WPS and PQR standards, ensuring pinpoint quality assurance at every stage.
Equipped with the pinnacle of manufacturing technology, our facility features Dutch DELEM CNC bending machines adept at handling material thickness ranging from 2mm to 100mm. We also leverage cutting-edge Austrian Fronius welding machines, precision-driven Japanese FANUC welding robots, and state-of-the-art laser welding seam guidance and tracking systems. This sophisticated and automated welded pipe production line ensures remarkable product consistency and top-tier reliability.
Weldpi has achieved numerous acclaimed domestic and international certifications, proudly holding the EU ISO9001 quality management system certification, the prestigious TUV welding certification, and the esteemed China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry is privileged to possess the exclusive authorization from the renowned American Hastelloy Company in China, empowering us to collaborate on innovation and the production of superior Hastelloy long products.
Our unwavering commitment is the creation of products that exemplify superior quality, ensuring we provide fast, reliable, and innovative piping solutions and services to our esteemed 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