Types of Forgings
- Open-Die Forging: This technique involves deforming metal between flat or uniquely contoured dies, making it ideal for crafting large, uncomplicated shapes. It ensures robust strength and remarkable ductility.
- Closed-Die Forging: In this sophisticated method, metal is encapsulated within a die cavity, compelling it to conform to precise shapes. It facilitates intricate geometries with exceptional tolerances, enhancing the creation of complex parts.
- Hot Forging: This process involves heating the metal above its recrystallization temperature, significantly easing deformation. Hot forging is prevalent in large-scale production due to its efficiency and effectiveness in reshaping metal.
- Cold Forging: Conducted at ambient temperatures, cold forging enhances metal strength via work hardening, though it demands greater force. This method is synonymous with superior product strength and precision.
Process
The forging process typically involves several meticulous steps, each pivotal to ensuring the integrity and quality of the forged product:
- Heating: Metal is expertly heated to the optimal temperature, preparing it for the forthcoming forging processes.
- Shaping: Once suitably heated, the metal is skillfully shaped employing mechanical presses or hammers, defining its fundamental form.
- Cooling: Post shaping, the forged piece is allowed to cool, which might be followed by specialized heat treatment to refine its structure and finish.
- Finishing: To meet exact specifications, additional treatments such as precision machining or advanced surface treatment may be applied, ensuring the piece is ready for its intended application.
Dimensions
Forged components boast a diverse range of sizes, from minuscule fasteners to imposing structural elements. Standard dimensions span mere millimeters to several meters, tailored to specific applications.
Applications
Forgings find indispensable utility across sectors like aerospace, automotive, and construction, prized for their exceptional strength, enduring durability, and unfailing reliability.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, proudly leading the stainless steel, titanium, and nickel alloy welded pipe industry with unmatched distinction and expertise.
With the prestigious endorsement of Haynes International, Inc., we unwaveringly adhere to the rigorous ISO9001:2001 quality management system, a hallmark of superior quality, ensuring unmatched dependability and stellar performance.
Our distinguished credentials are a testament to our relentless pursuit of excellence, featuring the illustrious EU EN3.1 certificates and the coveted TS pressure pipeline component manufacturing license. Our welding standards do not just meet but consistently exceed the most stringent international criteria, including esteemed TUV certifications.
Our unyielding commitment is to deliver expedited, reliable, and avant-garde metal pipeline solutions to our cherished global clientele, ensuring satisfaction through innovative and cutting-edge technology.




Our Our factory boasts a state-of-the-art production line dedicated to alloy steel pipes. We oversee every step, from initial raw material assessment to final product approval, employing PMI material re-evaluation and experimental data validation to ensure the utmost quality. Our processes comply with stringent SOP guidelines, and our welding adheres to the WPS and PQR standards, guaranteeing superior quality assurance.
Equipped with cutting-edge manufacturing technology, we feature Dutch DELEM CNC bending machines, adept at managing thicknesses from 2mm to 100mm. Additionally, our arsenal includes Austrian Fronius welding machines, Japanese FANUC welding robots, alongside advanced laser welding seam guidance and tracking systems. This impressive automated welded pipe production line delivers unparalleled product consistency and reliability.
Weldpi has achieved a multitude of esteemed domestic and international certifications, including the EU ISO9001 quality management system certification, TUV welding certification, and the China Pressure Pipe Manufacturing License (TS), underscoring our commitment to excellence.
Weldpi Pipe Industry is proud to possess the exclusive authorization from the American Hastelloy Company in China, empowering us to collaborate, innovate, and manufacture Hastelloy long products, enhancing our portfolio of offerings.
Our unwavering dedication to crafting top-tier products drives us to deliver rapid 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