Types of Forgings
- Open-Die Forging: In this forging marvel, metal undergoes transformation between flat or creatively contoured dies, making it ideal for crafting large, straightforward shapes. It endows the final product with exceptional strength and ductility, ensuring robust performance.
- Closed-Die Forging: Here, metal is intricately enclosed within a die cavity, compelled to embrace its intricate shape. This sophisticated method enables the creation of complex geometries with remarkable precision and tighter tolerances, elevating the quality of the final piece.
- Hot Forging: This technique elevates metals above their recrystallization temperature, facilitating effortless deformation. Perfect for mass production, it remains a cornerstone in shaping large volumes with finesse and efficiency.
- Cold Forging: At room temperature, metal is meticulously shaped, yielding increased strength through work hardening. Though it demands higher forces, the result is a product with unparalleled resilience and durability.
Process
The forging process typically involves several meticulous steps for precision and excellence:
- Heating: The metal is meticulously heated to the precise temperature, priming it for seamless transformation during the forging process.
- Shaping: Once heated, the metal is expertly shaped using mechanical presses or hammers, crafting it into the desired form with precision.
- Cooling: Post shaping, the forged masterpiece cools naturally, sometimes complemented by strategic heat treatments to enhance durability.
- Finishing: To achieve final specifications, additional processes such as meticulous machining or advanced surface treatments are applied, ensuring a flawless result.
Dimensions
Forged components exhibit versatile dimensions, spanning from minute fasteners to colossal structural parts. Standard sizes typically range from mere millimeters to several meters, tailored to diverse applications.
Applications
Forgings, celebrated for their unparalleled strength, durability, and reliability, are indispensable in sectors like aerospace, automotive, and construction, where they underpin innovation and excellence.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, steering the stainless steel, titanium, and nickel alloy welded pipe industry with unwavering distinction.
With the prestigious endorsement of Haynes International, Inc., we steadfastly adhere to the rigorous ISO9001:2001 quality management system, ensuring quality and dependability that are simply unmatched.
Our distinguished credentials stand as a testament to our relentless commitment to quality, featuring the illustrious EU EN3.1 certificates and the TS pressure pipeline component manufacturing license. Our welding standards don't just meet but often soar beyond premier international criteria, including TUV certifications.
Our unwavering commitment is to deliver expedited, reliable, and cutting-edge metal pipeline solutions to our valued clientele around the globe.




Our Our factory boasts a state-of-the-art and comprehensive production line dedicated to alloy steel pipes. From the meticulous evaluation of initial raw materials to the rigorous approval of the final product, every step is governed by a stringent SOP process. This includes PMI material re-inspection and experimental data validation, ensuring unparalleled quality. Our welding processes comply with the highest standards of WPS and PQR, guaranteeing meticulous quality assurance every step of the way.
Equipped with cutting-edge manufacturing technology, our facility includes Dutch DELEM CNC bending machines with an impressive range handling thickness from 2mm to 100mm. We also utilize Austrian Fronius welding machines and Japanese FANUC welding robots, complemented by advanced laser welding seam guidance and tracking systems. This robust and automated welded pipe production line delivers unmatched product uniformity and reliability, standing at the forefront of industry innovation.
Weldpi has achieved numerous esteemed domestic and international certifications, such as the coveted EU ISO9001 quality management system certification, TUV welding certification, and the prestigious China Pressure Pipe Manufacturing License (TS), attesting to our commitment to excellence and quality.
Weldpi Pipe Industry takes pride in holding the exclusive authorization from the renowned American Hastelloy Company in China. This partnership allows us to collaborate, innovate, and produce the highest quality Hastelloy long products, reinforcing our leadership in the industry.
Our unwavering dedication lies in crafting superior quality products. We are committed to delivering swift, reliable, and efficient piping solutions and services to our esteemed global customers, ensuring their requirements 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