Types of Forgings
- Open-Die Forging: In the world of metal transformation, open-die forging stands as a versatile method where metal is meticulously deformed between flat or artistically crafted contoured dies. This technique is expertly suited for creating large, simple shapes, offering remarkable strength and impressive ductility, ensuring the metal can withstand extensive use without losing its form.
- Closed-Die Forging: Delve into the precision of closed-die forging, where metal is masterfully enclosed within a detailed die cavity, compelling it to adopt intricate shapes. This advanced method facilitates the formation of complex geometries with supreme accuracy and tight tolerances, making it ideal for sophisticated designs.
- Hot Forging: Experience the transformative power of hot forging, where the metal is elevated above its recrystallization temperature, rendering it more malleable and easier to mold. This technique is predominantly employed in large-scale production, offering a seamless blend of efficiency and precision.
- Cold Forging: Embrace the robust nature of cold forging, a process where metal is adeptly shaped at room temperature. This approach enhances strength through work hardening, though it demands higher forces. Cold forging is perfect for applications requiring exceptional strength and detail.
Process
The forging process typically involves several meticulously orchestrated steps:
- Heating: Initially, the metal is carefully heated to the optimal temperature necessary for the subsequent forging process, preparing it for transformation.
- Shaping: Once heated, the metal undergoes precision shaping using powerful mechanical presses or hammers, allowing for detailed and exact formations.
- Cooling: Post-shaping, the forged masterpiece is gradually cooled, sometimes enhanced by sophisticated heat treatments, to stabilize its refined structure.
- Finishing: In the finishing phase, additional refinements such as expert machining or surface treatments are applied to ensure the product meets the highest standards and exact specifications.
Dimensions
Forged components exhibit a remarkable range in size, from miniature fasteners to colossal structural parts. Standard dimensions can vary from a few millimeters to an impressive several meters, tailored to meet the specific demands of diverse applications.
Applications
Forgings are revered across various industries, including aerospace, automotive, and construction, for their unparalleled strength, lasting durability, and steadfast reliability, making them indispensable in demanding environments.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, setting the gold standard in the stainless steel, titanium, and nickel alloy welded pipe industry with unmatched distinction.
With the prestigious endorsement from Haynes International, Inc., we unwaveringly adhere to the rigorous ISO9001:2001 quality management system, ensuring quality and dependability that are second to none.
Our distinguished credentials are a testament to our relentless pursuit of quality, showcasing the illustrious EU EN3.1 certificates and the TS pressure pipeline component manufacturing license. Our welding standards don't just meet—they often exceed—the highest international criteria, including TUV certifications.
Our unwavering commitment is to deliver expedited, reliable, and cutting-edge metal pipeline solutions to our cherished global clientele.




Our Strengths Our state-of-the-art factory boasts a cutting-edge production line dedicated to alloy steel pipes. From the initial stages of rigorous raw material assessment to the final stages of product approval, we ensure precision through PMI material re-inspection and comprehensive experimental data validation. We uphold a meticulously detailed SOP process. Additionally, our welding practices conform to WPS and PQR standards, reinforcing our commitment to impeccable quality assurance.
Equipped with the pinnacle of manufacturing technology, our facilities include: advanced Dutch DELEM CNC bending machines adept at managing thickness ranging from 2mm to 100mm; renowned Austrian Fronius welding machines; sophisticated Japanese FANUC welding robots, and cutting-edge laser welding seam guidance and tracking systems. This formidable suite of automated welded pipe production technology ensures unparalleled product uniformity and reliability.
Weldpi has earned a distinguished array of prestigious certifications, both domestically and internationally. These accolades include the esteemed EU ISO9001 quality management system certification, renowned TUV welding certification, and the China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry is tremendously proud to hold the exclusive authorization from the prestigious American Hastelloy Company in China, a collaboration that empowers us to innovate and produce premium Hastelloy long products.
Our steadfast dedication lies in crafting products of the utmost quality. We are unwavering in our commitment to delivering rapid, reliable 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