Types of Forgings
- Open-Die Forging: Experience a powerful metal transformation as it is expertly deformed between flat or intricately contoured dies. This method is a perfect fit for creating large, straightforward shapes while ensuring exceptional strength and ductility in the final product.
- Closed-Die Forging: In this precision method, metal is fully enclosed within a die cavity and expertly manipulated to conform to its shape. This process is ideal for achieving intricate geometries and maintaining tight tolerances, perfect for high-performance components.
- Hot Forging: By elevating the metal above its recrystallization temperature, it becomes more pliable and easier to shape. This popular method is essential for efficient large-scale production, offering versatility and economy.
- Cold Forging: Shaped at ambient conditions, cold forging enhances metal strength through work hardening. Though it demands higher forces, the result is a highly resilient component, ready to withstand rigorous challenges.
Process
The expertly crafted forging process typically unfolds through several key stages:
- Heating: The metal undergoes precise heating to reach the ideal temperature, priming it for the transformative forging journey ahead.
- Shaping: Once heated, the metal's transformation begins as it is deftly shaped using high-powered mechanical presses or hammers, sculpting it into a form of excellence.
- Cooling: Post-shaping, the forged masterpiece is allowed to cool gradually, often followed by meticulous heat treatment to enhance characteristics.
- Finishing: To meet precise final specifications, additional processes such as sophisticated machining or surface treatment are performed, adding the finishing touches to a masterfully crafted component.
Dimensions
Forged components demonstrate remarkable versatility with sizes ranging dramatically from small fasteners to large structural marvels. Standard dimensions can span from a few millimeters to several meters, tailored to specific application needs.
Applications
Renowned for their unmatched strength, durability, and reliability, our forgings are the backbone of industries like aerospace, automotive, and construction, delivering performance and trust where it matters most.

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. Our name is synonymous with quality and innovation, establishing us as pioneers in the field.
With the prestigious endorsement of Haynes International, Inc., we steadfastly adhere to the rigorous ISO9001:2001 quality management system, guaranteeing unmatched quality and dependability. Each product embodies our commitment to excellence and precision.
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, reflecting our dedication to superiority.
Our steadfast commitment is to provide expedited, reliable, and avant-garde metal pipeline solutions to our cherished global clientele. We strive to deliver excellence swiftly, ensuring our partners receive the most dependable and cutting-edge innovations in the industry.




Our Our factory is a paragon of modern innovation, boasting a full-spectrum, state-of-the-art production line for alloy steel pipes. From the meticulous evaluation of raw materials to the rigorous final product approval stage, including PMI material re-inspection and thorough experimental data validation, we adhere stringently to a holistic SOP process. Our welding procedures are meticulously aligned with WPS and PQR standards, ensuring the highest echelons of quality assurance.
We pride ourselves on being equipped with avant-garde manufacturing technology, featuring Dutch DELEM CNC bending machines that adeptly handle thicknesses ranging from 2mm to an impressive 100mm. Our arsenal includes Austrian Fronius welding machines and Japanese FANUC welding robots, complemented by sophisticated laser welding seam guidance and tracking systems. This robust, automated welded pipe production line guarantees superior product uniformity and unwavering reliability.
Weldpi has achieved an impressive array of esteemed certifications on both domestic and international fronts, including the coveted EU ISO9001 quality management system certification, prestigious TUV welding certification, and the distinguished China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry takes immense pride in holding the unique authorization from the American Hastelloy Company within China, allowing us to collaborate, innovate, and manufacture Hastelloy long products with unparalleled expertise.
Our steadfast commitment is to the production of superior quality products. We are devoted to delivering prompt and reliable piping solutions and services, serving our global clientele with dedication and excellence.
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