Types of Forgings
- Open-Die Forging: This traditional forging technique involves deforming the metal between flat or contoured dies, creating pieces ideal for large, uncomplicated shapes. It ensures excellent strength and ductility, making it a reliable choice for sturdy components.
- Closed-Die Forging: With the precision of closed-die forging, metal is encased within a die cavity and coerced into intricate shapes. This process is perfect for creating complex geometries with exceptional tolerances, catering to precise industrial needs.
- Hot Forging: By heating the metal above its recrystallization temperature, this method softens the material, facilitating easier deformation. Ideal for large-scale production, it enhances efficiency and is widely employed in manufacturing.
- Cold Forging: This method shapes metal at room temperature, which enhances strength through work hardening. Although requiring more force, it achieves high precision and is perfect for producing robust and durable components.
Process
The forging process typically involves several key steps:
- Heating: Metal is carefully heated to the specific temperature necessary for optimal forging conditions, ensuring malleability and readiness for shaping.
- Shaping: Once heated, the metal is expertly shaped using powerful mechanical presses or hammers, transforming it into the desired form with precision.
- Cooling: After shaping, the forged component undergoes a cooling phase, often followed by specialized heat treatments to attain the desired material properties.
- Finishing: To meet exact specifications, additional processes such as machining or surface treatments are employed, refining the component to perfection.
Dimensions
Forged components boast a vast array of sizes, from diminutive fasteners to monumental structural parts. Standard dimensions typically range from mere millimeters to several meters, tailored to application requirements.
Applications
Widely embraced in aerospace, automotive, and construction industries, forgings are renowned for their unparalleled strength, durability, and reliability, ensuring unmatched performance and safety.

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 state-of-the-art factory boasts a fully integrated and advanced production line dedicated to alloy steel pipes. From the initial evaluation of raw materials to the final product approval, we conduct PMI material re-inspections and validate experimental data, adhering rigorously to an all-encompassing SOP process. Our welding operations are executed under WPS and PQR standards, ensuring comprehensive quality assurance throughout every stage.
We are equipped with pioneering manufacturing technologies that include: the Dutch DELEM CNC bending machines, flawlessly handling thicknesses from 2mm to an impressive 100mm; Austrian Fronius welding machines, and Japanese FANUC welding robots, complemented by laser welding seam guidance and tracking systems. This powerful and automated welded pipe production line delivers exceptional product uniformity, ensuring unparalleled reliability and consistency.
At Weldpi, we proudly hold a multitude of prestigious domestic and international certifications, such as the esteemed EU ISO9001 quality management system certification, the TUV welding certification, and the revered China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry takes great pride in possessing the exclusive authorization from the American Hastelloy Company within China to collaborate, innovate, and manufacture Hastelloy long products. This collaboration empowers us to push the boundaries of innovation and excellence.
Our unwavering dedication lies in crafting products of superior quality, and we are wholeheartedly committed to offering prompt and 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