Types of Forgings
- Open-Die Forging: Open-Die Forging is an art of metal deformation where the material is shaped between flat or contoured dies. This versatile method is perfect for crafting large, simple shapes, offering excellent strength and ductility, making it ideal for high-demand applications.
- Closed-Die Forging: Closed-Die Forging involves enclosing the metal in a die cavity, coercing it to adopt the cavity's shape. This approach is perfect for achieving intricate geometries and tighter tolerances, ensuring precision in every piece.
- Hot Forging: In Hot Forging, the metal is elevated above its recrystallization temperature, simplifying deformation and enhancing malleability. This method is particularly popular in large-scale production due to the ease of shaping and efficiency.
- Cold Forging: Cold Forging transforms the metal at room temperature, boosting its strength through work hardening. Although this process requires greater forces, it results in exceptionally strong and dimensionally stable components.
Process
The comprehensive forging process involves several meticulously coordinated steps:
- Heating: The metal is precisely heated to the optimal temperature required for effective forging, ensuring ideal malleability and performance.
- Shaping: Once heated, the metal is expertly shaped using powerful mechanical presses or hammers, sculpting it into its desired form.
- Cooling: Post shaping, the forged part undergoes a controlled cooling process, sometimes followed by heat treatment to enhance its properties and finalize its structural integrity.
- Finishing: To achieve the final specifications, additional processes such as precise machining or advanced surface treatment may be implemented, ensuring the product meets the highest standards.
Dimensions
Forged components boast a remarkable versatility in size, ranging from diminutive fasteners to monumental structural parts. Standard sizes can vary from mere millimeters to several meters, tailored to specific application requirements.
Applications
With their unparalleled strength, enduring durability, and unwavering reliability, forgings are indispensable assets in key industries such as aerospace, automotive, and construction, supporting the backbone of modern engineering and innovation.

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.
With the prestigious endorsement of Haynes International, Inc., we steadfastly adhere to the rigorous ISO9001:2001 quality management system, guaranteeing unmatched quality and dependability.
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. Our welding standards not only meet but often exceed premier international criteria, including TUV certifications.
Our steadfast commitment is to provide expedited, reliable, and avant-garde metal pipeline solutions to our cherished global clientele.




Our Our factory is equipped with a state-of-the-art and comprehensive production line tailored for alloy steel pipes. From the very beginning stages of raw material assessment to the ultimate approval of the final product, our process is thorough and meticulous. We employ PMI material re-inspection and rigorous experimental data validation, adhering to a holistic SOP process designed to ensure flawless quality. Our welding protocols strictly follow the highest standards, WPS and PQR, reinforcing our commitment to meticulous quality assurance.
Our facility boasts advanced manufacturing technology, featuring Dutch DELEM CNC bending machines that deftly manage thicknesses ranging from a delicate 2mm to a robust 100mm. This is complemented by premier Austrian Fronius welding machines and cutting-edge Japanese FANUC welding robots. Together with laser-guided welding seam tracking systems, our impressive automated welded pipe production line delivers unmatched consistency and steadfast reliability in all products.
Weldpi proudly holds a multitude of prestigious certifications both domestically and internationally. We have been awarded the esteemed EU ISO9001 quality management system certification, the respected TUV welding certification, and the authoritative China Pressure Pipe Manufacturing License (TS), all testaments to our exceptional quality and adherence to top-tier standards.
In a distinctive collaboration, Weldpi Pipe Industry enjoys the exclusive authorization from the renowned American Hastelloy Company within China. This partnership empowers us to innovate and produce groundbreaking Hastelloy long products, marking a significant milestone in our industry-leading capabilities.
Our steadfast commitment lies in the creation of superior quality products. We are fervently dedicated to providing efficient and reliable piping solutions, offering distinguished services to our valued global clientele, affirming our role as a trusted partner in the industry.
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