Types of Forgings
- Open-Die Forging: In this dynamic process, the metal is skillfully deformed between flat or artistically contoured dies. Ideal for crafting large, simpler shapes, this technique ensures superior strength and exceptional ductility.
- Closed-Die Forging: Here, the metal is meticulously enclosed within a die cavity, compelling it to assume the precise shape of the cavity. This sophisticated method accommodates intricate geometries and guarantees tighter tolerances.
- Hot Forging: During this process, the metal is elevated above its recrystallization temperature, enhancing ease of deformation. A favored choice for mass production, it streamlines operations for large-scale manufacturing.
- Cold Forging: Shaped at ambient room temperature, this method enhances metal strength through work hardening, though it demands greater force application. It epitomizes strength without the heat.
Process
The forging process is a meticulous journey encompassing several pivotal steps:
- Heating: Initially, the metal is expertly heated to the precise temperature required for the forging process, setting the stage for transformation.
- Shaping: Once heated, the metal undergoes shaping through the powerful force of mechanical presses or hammers, achieving desired forms.
- Cooling: Post shaping, the forged masterpiece is allowed a controlled cool down, often followed by heat treatment to ensure optimal properties.
- Finishing: To meet the final specifications, additional finishing touches such as precision machining or surface enhancements may be applied.
Dimensions
Forged components exhibit remarkable versatility, ranging from petite fasteners to colossal structural parts. Standard sizes extend from mere millimeters to impressive meters, perfectly tailored to specific applications.
Applications
Renowned for their exceptional strength, durability, and reliability, forgings are indispensable in industries like aerospace, automotive, and construction, where precision and performance are paramount.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. 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. Our company is an epitome of innovation and quality, setting standards that inspire and lead the industry forward.
With the prestigious endorsement of Haynes International, Inc., we steadfastly adhere to the rigorous ISO9001:2001 quality management system, guaranteeing unmatched quality and dependability. This commitment to excellence ensures that every product we deliver meets the highest benchmarks of global quality standards.
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. These accolades reflect our dedication to precision and superiority in every aspect of production.
Our steadfast commitment is to provide expedited, reliable, and avant-garde metal pipeline solutions to our cherished global clientele. We strive to exceed expectations, ensuring that our clients receive not just a product, but a promise of quality, innovation, and steadfast support.




Our Our factory boasts a state-of-the-art, fully integrated production line, dedicated to the creation of alloy steel pipes. From the meticulous evaluation of raw materials to the rigorous final product approval, we employ an all-encompassing SOP process. This process includes PMI material re-inspection and thorough validation of experimental data. In our commitment to excellence, our welding procedures strictly conform to WPS and PQR standards, ensuring unparalleled quality assurance.
Equipped with cutting-edge manufacturing technology, we feature Dutch DELEM CNC bending machines capable of handling thicknesses ranging from 2mm to an impressive 100mm. Our advanced arsenal includes Austrian Fronius welding machines and Japanese FANUC welding robots, complemented by sophisticated laser welding seam guidance and tracking systems. This powerful, automated welded pipe production line ensures outstanding product uniformity and reliability.
Weldpi has achieved numerous esteemed domestic and international certifications. These include the prestigious EU ISO9001 quality management system certification, the TUV welding certification, and the authoritative China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry proudly holds the exclusive authorization from American Hastelloy Company in China, empowering us to collaborate, innovate, and manufacture Hastelloy long products with unmatched precision and quality.
Our steadfast commitment is to the crafting of superior quality products. We are unwavering in our dedication to providing 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