Types of Forgings
- Open-Die Forging: Experience the versatility of open-die forging, where metal is artfully transformed between flat or creatively contoured dies. This dynamic method is ideal for forging large, simple shapes, offering unmatched strength and excellent ductility.
- Closed-Die Forging: Discover the precision of closed-die forging, where metal is meticulously encapsulated within a die cavity, taking on its desired shape with finesse. This technique excels in crafting intricate geometries with superior accuracy and tighter tolerances.
- Hot Forging: Embrace the efficiency of hot forging, where metal is expertly heated above its recrystallization temperature, allowing for smooth, effortless deformation. Ideal for large-scale production, this method ensures consistency and efficiency.
- Cold Forging: Unleash the potential of cold forging, where metal is skillfully shaped at room temperature. This approach enhances strength through work hardening, yet may require increased force, resulting in a robust final product.
Process
The forging process unfolds through a series of meticulously orchestrated steps, each contributing to the creation of superior components:
- Heating: The journey begins with expertly heating the metal to the precise temperature required for optimal forging.
- Shaping: Once heated, the metal is skillfully shaped using powerful mechanical presses or hammers, forging its path to perfection.
- Cooling: Post-shaping, the newly forged part is gently allowed to cool, ensuring stability, sometimes followed by advanced heat treatment for enhanced properties.
- Finishing: The finishing touch involves meticulous processes like machining or surface treatment, sculpting the piece to meet the ultimate specifications with precision.
Dimensions
Forged components showcase a remarkable range of sizes, from intricately small fasteners to grand structural parts. Standard dimensions span from mere millimeters to several meters, tailored to suit diverse applications.
Applications
Forgings seamlessly integrate into pivotal industries like aerospace, automotive, and construction, recognized for their unparalleled strength, enduring durability, and steadfast reliability.

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 esteemed endorsement of Haynes International, Inc., we adhere unwaveringly to the esteemed ISO9001:2001 quality management system standards, ensuring reliability and unparalleled quality.
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 Distinctive Edge Our factory is equipped with a state-of-the-art, all-encompassing production line for alloy steel pipes, ensuring the highest standards of quality and precision. From the meticulous initial raw material evaluation to the stringent final product approval, including PMI material re-inspection and experimental data validation, we adhere strictly to a comprehensive SOP process. Our welding procedures are in full compliance with the esteemed WPS and PQR standards, ensuring exceptional quality assurance at every step.
We are equipped with cutting-edge manufacturing technologies, featuring Dutch DELEM CNC bending machines adept at handling thicknesses ranging from 2mm to an impressive 100mm. Our advanced arsenal includes Austrian Fronius welding machines, precision-oriented Japanese FANUC welding robots, and laser welding seam guidance with tracking systems. This formidable combination forms an automated welded pipe production line that guarantees outstanding product uniformity and consistent reliability.
Weldpi has earned an array of prestigious certifications on both domestic and international stages, showcasing our commitment to quality and excellence. Our accolades include the renowned EU ISO9001 quality management system certification, the distinguished TUV welding certification, and the esteemed China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry proudly holds the exclusive authorization from the American Hastelloy Company within China. This strategic partnership empowers us to collaborate, innovate, and produce Hastelloy long products with unparalleled excellence.
Our steadfast commitment is to the creation of superior quality products. We are devoted to providing our global clientele with swift, reliable, and robust piping solutions and services, ensuring their satisfaction and trust in every interaction.
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