Types of Forgings
- Open-Die Forging: In this versatile method, metal is expertly transformed between flat or uniquely contoured dies. It is ideal for crafting large, straightforward shapes while ensuring excellent strength and ductility.
- Closed-Die Forging: This precision technique involves enclosing metal in a die cavity, compelling it to conform to the desired shape, facilitating intricate geometries and precise tolerances.
- Hot Forging: By elevating the metal above its recrystallization temperature, deformation becomes seamless, making it a preferred choice for extensive production runs.
- Cold Forging: Sculpting metal at ambient temperatures enhances strength through work hardening, though it necessitates greater force.
Process
The forging process typically involves several meticulously orchestrated steps:
- Heating: The metal is meticulously brought to the ideal temperature, setting the stage for a seamless forging process.
- Shaping: Using powerful mechanical presses or hammers, the heated metal is skillfully shaped into its intended form.
- Cooling: Following shaping, the forged piece undergoes a cooling phase, occasionally accompanied by heat treatment to enhance properties.
- Finishing: To meet precise final specifications, additional processes like advanced machining or surface treatments are applied.
Dimensions
Forged components exhibit remarkable size variation, ranging from small fasteners to expansive structural elements. Standard dimensions typically extend from mere millimeters to several meters, tailored to their specific application.
Applications
Highly esteemed for their strength, durability, and reliability, forgings find extensive use across numerous industries, including 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.
Our steadfast commitment is to provide expedited, reliable, and avant-garde metal pipeline solutions to our cherished global clientele.




Our At Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd., our factory is equipped with a state-of-the-art production line for alloy steel pipes. From the meticulous evaluation of initial raw materials to the rigorous approval of the final product, every step is anchored in an exhaustive SOP process. Our dedication to excellence is further underscored by PMI material re-inspection and rigorous experimental data validation, ensuring that every product meets our stringent quality standards. We adhere strictly to industry-leading WPS and PQR standards in our welding processes, guaranteeing unparalleled quality assurance that sets us apart in the industry.
Our facility boasts cutting-edge manufacturing technology, including Dutch DELEM CNC bending machines proficient in handling thicknesses ranging from 2mm to an impressive 100mm. Additionally, we utilize Austrian Fronius welding machines and Japanese FANUC welding robots, complemented by sophisticated laser welding seam guidance and tracking systems. This robust automated welded pipe production line ensures our products exhibit remarkable uniformity and reliability, catering to the highest expectations of quality and durability.
Weldpi has achieved a distinguished reputation through numerous prestigious certifications both domestically and internationally. Our accolades include the EU ISO9001 quality management system certification, TUV welding certification, and the esteemed China Pressure Pipe Manufacturing License (TS). These certifications underscore our commitment to maintaining unparalleled standards of excellence in every product we manufacture.
Proudly, Weldpi Pipe Industry holds the exclusive authorization from the renowned American Hastelloy Company in China. This exclusive partnership empowers us to collaborate, innovate, and produce exceptional Hastelloy long products, reinforcing our position as a leader in the industry.
Our steadfast commitment at Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. is to deliver superior quality products consistently. We are dedicated to providing prompt and reliable piping solutions and services, catering to the diverse needs of 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