Types of Forgings
- Open-Die Forging: In this versatile method, metal is skillfully deformed between flat or contoured dies. Perfect for crafting large, straightforward shapes, it offers exceptional strength and remarkable ductility.
- Closed-Die Forging: Embrace precision as metal is completely enclosed within a die cavity, adopting its intricate shape. This method excels at creating complex geometries and ensures tighter tolerances for exacting applications.
- Hot Forging: By elevating the metal above its recrystallization temperature, deformation becomes effortless. This technique is a staple in large-scale production, facilitating smoother operations and efficiency.
- Cold Forging: Shaping metal at the natural room temperature, this method enhances strength through work hardening, albeit requiring more force. Ideal for applications demanding unmatched durability.
Process
The forging process typically involves several meticulously coordinated steps:
- Heating: Metal is expertly heated to achieve the perfect temperature for the subsequent forging magic.
- Shaping: The artfully heated metal is shaped with precision using mechanical presses or hammers, ensuring optimal form.
- Cooling: Post shaping, the forged piece is gradually cooled, often followed by a meticulous heat treatment to refine its properties.
- Finishing: Further processes, including machining or surface treatment, are undertaken to meet the exacting final specifications with finesse.
Dimensions
Forged components boast a vast size range, from minuscule fasteners to colossal structural parts. Standard dimensions typically span from a few millimeters to several meters, tailored to diverse applications.
Applications
Renowned for their inherent strength, durability, and reliability, forgings find an indispensable role across sectors like aerospace, automotive, and construction.

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.
We are unwavering in our mission to deliver swift, dependable, and cutting-edge metal pipeline solutions to our esteemed global clientele.




Our Our factory is equipped with a state-of-the-art and all-encompassing production line for alloy steel pipes. From the initial meticulous evaluation of raw materials to the final rigorous product approval, including PMI material re-inspection and comprehensive experimental data validation, we strictly adhere to a robust SOP process. Our welding processes are in full compliance with WPS and PQR standards, ensuring the highest level of meticulous quality assurance.
We are endowed with advanced manufacturing technology, featuring Dutch DELEM CNC bending machines capable of managing thicknesses ranging from 2mm to an impressive 100mm. Our setup includes Austrian Fronius welding machines, Japanese FANUC welding robots, and cutting-edge laser welding seam guidance and tracking systems. This extraordinary automated welded pipe production line ensures outstanding uniformity and reliability of our products.
Weldpi has achieved numerous esteemed domestic and international certifications, among which are the prestigious EU ISO9001 quality management system certification, the TUV welding certification, and the eminent China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry takes pride in holding the exclusive authorization from the renowned American Hastelloy Company in China, granting us the privilege to collaborate, pioneer, and manufacture Hastelloy long products.
Our resolute commitment is directed towards crafting products of superior quality, and we are devoted to delivering swift and dependable 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