Types of Forgings
- Open-Die Forging: In this powerful technique, metal is elegantly deformed between flat or intricately designed contoured dies. Ideal for crafting large, simple shapes, it endows the parts with remarkable strength and impressive ductility, ensuring they meet the highest standards of quality.
- Closed-Die Forging: In this precise method, the metal is ingeniously enclosed in a die cavity, compelled to adopt its intricate shape. This sophisticated approach enables the creation of more complex geometries with unrivaled precision and tighter tolerances, perfect for demanding applications requiring detailed craftsmanship.
- Hot Forging: A robust method where metal is heated beyond its recrystallization temperature, facilitating easier deformation. This is the preferred choice for large-scale production, offering unparalleled efficiency and adaptability to vast manufacturing needs.
- Cold Forging: A method where metal is ingeniously molded at room temperature, leading to increased strength through sophisticated work hardening, albeit with the need for higher forces. This form of forging is ideal for applications where ultimate strength is paramount.
Process
The forging process typically involves a series of meticulously orchestrated steps:
- Heating: The metal is expertly heated to the precise temperature necessary for the forging process, ensuring optimal malleability and readiness for the shaping phase.
- Shaping: The skillfully heated metal is then masterfully shaped using state-of-the-art mechanical presses or hammers, achieving the desired form with precision.
- Cooling: Following the shaping, the forged piece is carefully allowed to cool, sometimes enhanced through heat treatment, to stabilize its structure.
- Finishing: Additional refinements such as precision machining or advanced surface treatment may be employed to meet the exacting final specifications, ensuring a flawless finished product.
Dimensions
Forged components boast a significant range in size, from minute fasteners to grand, robust structural parts. Standard sizes typically span from a few millimeters to several meters, tailored to meet diverse application requirements.
Applications
Forgings are indispensable across industries like aerospace, automotive, and construction, celebrated for their unmatched strength, enduring durability, and steadfast reliability in critical applications.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. proudly stands as a beacon of unparalleled excellence, pioneering the stainless steel, titanium, and nickel alloy welded pipe industry with remarkable distinction and innovation.
With the prestigious endorsement of Haynes International, Inc., we adhere unswervingly to the rigorous ISO9001:2001 quality management system, ensuring unmatched quality and unwavering dependability in every product we offer.
Our esteemed credentials are a testament to our relentless pursuit of quality excellence, showcasing the illustrious EU EN3.1 certificates and the TS pressure pipeline component manufacturing license. Our welding standards consistently meet and frequently surpass premier international criteria, including the esteemed TUV certifications.
Our unwavering commitment is to deliver swift, dependable, and cutting-edge metal pipeline solutions to our valued global clientele, ensuring that every project is a testament to our dedication and expertise.




Our Our state-of-the-art factory boasts a comprehensive production line for alloy steel pipes. From meticulous raw material evaluation to the final stamp of product approval, we stand by a rigorous, all-encompassing SOP process. This includes PMI material re-inspection and exhaustive experimental data validation. Our welding standards are aligned with WPS and PQR, ensuring the highest level of quality assurance.
Our facility is equipped with cutting-edge technology: Dutch DELEM CNC bending machines adept at handling thicknesses ranging from 2mm to 100mm; Austrian Fronius welding machines; Japanese FANUC welding robots; and precise laser welding seam guidance and tracking systems. This formidable, automated welded pipe production line ensures unmatched product uniformity and reliability.
Weldpi has proudly achieved a host of prestigious certifications, both domestic and international. These include the esteemed EU ISO9001 quality management system certification, the TUV welding certification, and the esteemed China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry is privileged to hold exclusive authorization from the renowned American Hastelloy Company for collaboration, innovation, and the production of Hastelloy long products within China.
Our unwavering commitment is to the crafting of superior quality products. We are dedicated to providing swift, reliable piping solutions and services to satisfy our valued 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