Types of Forgings
- Open-Die Forging: This method of forging involves deforming metal between flat or intricately contoured dies, making it ideal for crafting large, uncomplicated shapes. It is renowned for delivering exceptional strength and superior ductility, making it a highly effective choice for robust structural applications.
- Closed-Die Forging: In this advanced forging technique, the metal is fully enveloped within a die cavity, compelling it to adapt to the precise shape of the cavity. This sophisticated process is perfect for creating intricate geometries with unmatched precision and allows for achieving tighter tolerances, making it indispensable for complex component manufacturing.
- Hot Forging: This forging process involves heating the metal above its recrystallization temperature, significantly easing the deformation process. It is a predominant method in large-scale production, offering efficiency and flexibility for mass manufacturing of durable and resilient components.
- Cold Forging: Executing the metal shaping process at ambient room temperature, cold forging is esteemed for enhancing strength via work hardening. Although it demands higher forces, the resulting increase in strength makes it a preferred method for producing high-performance parts.
Process
The forging process typically involves several crucial steps:
- Heating: The metal is meticulously heated to the optimal temperature required for the efficient execution of the forging process, ensuring malleability and precision in further shaping steps.
- Shaping: Following heating, the metal is skillfully shaped using state-of-the-art mechanical presses or powerful hammers to achieve the desired form with high accuracy.
- Cooling: Post shaping, the forged component undergoes a controlled cooling process, which may include an additional heat treatment phase to enhance material properties and achieve the necessary strength and hardness.
- Finishing: To meet the intricate final specifications, additional processes such as precision machining or advanced surface treatment are undertaken, ensuring the component's readiness for its intended application.
Dimensions
Forged components exhibit a vast range of sizes, from diminutive fasteners to imposing structural parts. Standard dimensions extend from a few millimeters to several meters, tailored meticulously to meet the diverse demands of different applications.
Applications
Stainless steel forgings are esteemed for their exceptional strength, durability, and reliability, finding widespread use in demanding industries such as aerospace, automotive, and construction, where performance and longevity are paramount.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. Stands as a beacon of unparalleled excellence, Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. is at the forefront of the stainless steel, titanium, and nickel alloy welded pipe industry, leading with unrivaled distinction and innovation.
Endorsed prestigiously by Haynes International, Inc., we steadfastly adhere to the rigorous ISO9001:2001 quality management system. This commitment guarantees unmatched quality and dependability, ensuring our products stand the test of time and performance.
Our distinguished credentials are a testament to our relentless pursuit of excellence. We proudly hold the illustrious EU EN3.1 certificates and the TS pressure pipeline component manufacturing license, showcasing our commitment to quality. Our welding standards not only meet but frequently exceed premier international criteria, including the esteemed TUV certifications.
Our unwavering dedication is to provide expedited, reliable, and avant-garde metal pipeline solutions to our cherished global clientele, ensuring that each product meets the highest standards of innovation and reliability.




Our Our state-of-the-art factory is equipped with a cutting-edge production line specifically designed for alloy steel pipes. From the meticulous evaluation of raw materials to the final product approval, every step is governed by an all-encompassing SOP process. We ensure precision with PMI material re-inspection and rigorous experimental data validation. Our welding processes strictly adhere to WPS and PQR standards, guaranteeing meticulous quality assurance and unparalleled excellence.
Our advanced manufacturing technology stands unrivaled, with equipment like the Dutch DELEM CNC bending machines that effortlessly manage thicknesses from 2mm to 100mm. We also boast Austrian Fronius welding machines, Japanese FANUC welding robots, along with sophisticated laser welding seam guidance and tracking systems. This impressive automated welded pipe production line is a testament to our commitment to exceptional product uniformity and unrivaled reliability.
Weldpi has achieved an array of prestigious domestic and international certifications. This includes the esteemed EU ISO9001 quality management system certification, the rigorous TUV welding certification, and the highly valued China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry proudly holds the exclusive authorization from the prestigious American Hastelloy Company in China. This partnership enables us to collaborate, innovate, and produce cutting-edge Hastelloy long products, setting new standards in excellence.
Our unwavering dedication to crafting products of superior quality drives us to provide swift and dependable piping solutions and services. We are steadfast in our commitment to serving our global customers with unwavering 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