Types of Forgings
- Open-Die Forging: In this forging technique, metal is skillfully deformed between flat or contoured dies. This versatile method is ideally suited for crafting large, simple shapes and delivers exceptional strength and ductility, ensuring the structural integrity of the final product.
- Closed-Die Forging: Through the innovative closed-die forging process, metal is precisely enclosed within a die cavity and artfully shaped to its desired form. This sophisticated technique allows for the creation of intricate geometries and achieves tighter tolerances, making it perfect for complex component manufacturing.
- Hot Forging: In this dynamic method, metal is heated above its recrystallization temperature, significantly easing its deformation. Hot forging is a widely embraced approach for large-scale production, facilitating efficient manufacturing with enhanced malleability and reduced resistance.
- Cold Forging: Cold forging involves shaping metal at room temperature, a process that amplifies strength through work hardening. Despite possibly requiring greater force, this method excels in producing robust and high-strength components with precision.
Process
The forging process typically involves several meticulously orchestrated steps:
- Heating: Initially, the metal is strategically heated to the optimal temperature, readying it for the forging process and ensuring maximum workability.
- Shaping: Subsequently, the expertly heated metal is skillfully shaped using advanced mechanical presses or hammers, crafting it into the desired form.
- Cooling: Following the shaping phase, the forged part undergoes a controlled cooling process, sometimes accompanied by additional heat treatment to enhance its properties.
- Finishing: To achieve the final specifications, additional processes such as precision machining or specialized surface treatment may be undertaken, ensuring the components meet exacting standards.
Dimensions
Forged components exhibit remarkable versatility in size, ranging from small fasteners to expansive structural parts. Standard dimensions typically extend from mere millimeters to several meters, tailored to the specific application and industry requirements.
Applications
Renowned for their unparalleled strength, durability, and reliability, forgings find extensive applications across diverse industries, including aerospace, automotive, and construction, setting unparalleled standards in performance and longevity.

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 Edge Our factory is equipped with a state-of-the-art, comprehensive production line for alloy steel pipes. From the initial stage of raw material assessment to the final product approval, including PMI material re-inspection and experimental data validation, we rigorously adhere to an exhaustive SOP process. Our welding practices strictly conform to WPS and PQR standards, ensuring every step of our quality assurance is meticulous and thorough.
We are equipped with cutting-edge manufacturing technology, presenting: Dutch DELEM CNC bending machines capable of handling materials ranging from 2mm to 100mm thick; Austrian Fronius welding machines, Japanese FANUC welding robots, and sophisticated laser welding seam guidance and tracking systems. This powerful automated welded pipe production line assures unparalleled product uniformity and reliability, setting a high standard in the industry.
Weldpi has achieved numerous esteemed domestic and international certifications, including the EU ISO9001 quality management system certification, TUV welding certification, and the China Pressure Pipe Manufacturing License (TS). These accolades underline our commitment to excellence and consistent quality.
Weldpi Pipe Industry takes pride in holding the exclusive authorization from the renowned American Hastelloy Company in China to collaborate, innovate, and produce Hastelloy long products, reflecting our leadership and expertise in the field.
Our steadfast dedication is to the creation of superior quality products. We are devoted to providing swift and reliable piping solutions and services to our valued global customers, ensuring their needs are met with excellence and precision.
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