Types of Forgings
- Open-Die Forging: Open-die forging involves the artful deformation of metal between flat or cleverly contoured dies, making it perfect for crafting large and simple shapes that boast remarkable strength and ductility.
- Closed-Die Forging: In closed-die forging, metal is gracefully enclosed in a die cavity, compelling it to embrace its shape. This sophisticated method masterfully accommodates intricate geometries and ensures tighter tolerances.
- Hot Forging: Hot forging heats the metal above its recrystallization temperature, unlocking ease of deformation. This technique is a staple for large-scale production, where efficiency meets excellence.
- Cold Forging: Cold forging is performed at room temperature, enhancing strength through work hardening but demanding greater force. It's a testament to the power of precision and resilience.
Process
The forging process typically involves a series of meticulous steps:
- Heating: Metal is expertly heated to its optimal temperature, setting the stage for the forging process.
- Shaping: Once heated, the metal is skillfully shaped using mechanical presses or hammers, transforming it into its desired form.
- Cooling: Post-shaping, the forged masterpiece is carefully allowed to cool, often followed by precision heat treatment.
- Finishing: Final touches such as machining or surface treatment may be applied to achieve exacting specifications and impeccable finish.
Dimensions
Forged components are a marvel of versatility, ranging from minute fasteners to colossal structural parts. Standard sizes delightfully span a few millimeters to several meters, tailored to diverse applications.
Applications
Celebrated across industries, such as aerospace, automotive, and construction, forgings are renowned for their extraordinary strength, unyielding durability, and unwavering reliability.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, fearlessly leading the charge in the stainless steel, titanium, and nickel alloy welded pipe industry with unmatched distinction and superior craftsmanship.
With the esteemed endorsement of Haynes International, Inc., we rigorously adhere to the stringent ISO9001:2001 quality management system, ensuring that every product we offer is synonymous with unmatched quality and dependable performance.
Our distinguished credentials stand as a testament to our unwavering pursuit of excellence, boasting the prestigious EU EN3.1 certificates and the esteemed TS pressure pipeline component manufacturing license. Our welding standards not only meet but frequently surpass the most elite international criteria, including the coveted TUV certifications.
Our unwavering commitment is to deliver rapid, reliable, and cutting-edge metal pipeline solutions to our valued global clientele, ensuring satisfaction and success at every turn.




Our Our factory is equipped with a state-of-the-art production line specifically designed for alloy steel pipes. From the very first evaluation of raw materials to the ultimate approval of the final products, including PMI material re-inspection and experimental data validation, we adhere strictly to a comprehensive Standard Operating Procedure (SOP). Our welding protocols are aligned with the highest WPS and PQR standards, ensuring meticulous quality assurance at every step.
We are proud to be outfitted with advanced manufacturing technology that encompasses Dutch DELEM CNC bending machines, expertly managing thickness from 2mm to a robust 100mm. The inclusion of Austrian Fronius welding machines, Japanese FANUC welding robots, and sophisticated laser welding seam guidance and tracking systems form a formidable, automated welded pipe production line. This ensures that our products exhibit exceptional uniformity and unwavering reliability.
Weldpi has achieved numerous prestigious domestic and international certifications, including the highly esteemed EU ISO9001 quality management system certification, TUV welding certification, and the authoritative China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry is privileged to hold the exclusive authorization from the renowned American Hastelloy Company in China. This unique partnership allows us to collaborate, innovate, and produce superior Hastelloy long products.
Our steadfast commitment is to craft the finest quality products, and we dedicate ourselves to providing swift and reliable piping solutions and services to our esteemed global customers.
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