Types of Forgings
- Open-Die Forging: This technique involves reshaping metal between flat or creatively contoured dies. It is ideal for crafting large, straightforward shapes, offering excellent strength and ductility.
- Closed-Die Forging: In this method, metal is entirely encapsulated within a die cavity, compelling it to conform to intricate shapes. It is perfect for achieving complex geometries with precision and tight tolerances.
- Hot Forging: Here, metal is heated beyond its recrystallization temperature, simplifying deformation. This technique is widely adopted for mass production, ensuring efficiency and scalability.
- Cold Forging: Conducted at ambient temperature, this method bolsters metal strength through work hardening, albeit requiring increased forces. It is ideal for specific applications demanding enhanced toughness.
Process
The forging process typically unfolds through several meticulously controlled steps:
- Heating: Initially, metal is brought to the precise temperature necessary to optimize the forging operation.
- Shaping: Once heated, the metal is expertly shaped utilizing mechanical presses or hammers, forming the desired structure.
- Cooling: Post-shaping, the component is allowed to gradually cool down, often followed by heat treatment to enhance properties.
- Finishing: To meet final specifications, additional processes such as precise machining or sophisticated surface treatments may be applied.
Dimensions
Forged components exhibit remarkable versatility in size, from minuscule fasteners to massive structural parts. Standard dimensions range from a few millimeters to several meters, tailored to specific applications.
Applications
Forgings enjoy widespread use across industries like aerospace, automotive, and construction, celebrated for their unmatched strength, durability, and 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 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 Our factory stands distinguished with a comprehensive, state-of-the-art production line dedicated to alloy steel pipes. From the meticulous evaluation of raw materials to the rigorous final product approval, our process adheres strictly to an all-encompassing SOP framework. We execute PMI material re-inspection and experimental data validation with precision. Additionally, our welding processes are in strict compliance with WPS and PQR standards, securing meticulous quality assurance throughout each step.
Equipped with pioneering manufacturing technology, we boast Dutch DELEM CNC bending machines adept at handling thicknesses ranging from a delicate 2mm to a robust 100mm. Our arsenal includes Austrian Fronius welding machines and Japanese FANUC welding robots, all complemented by laser welding seam guidance and tracking systems. This formidable automated welded pipe production line is a testament to our commitment to exceptional product uniformity and reliability.
Weldpi has earned numerous prestigious certifications, both domestically and internationally. Our accolades include the esteemed EU ISO9001 quality management system certification, the TUV welding certification, and the China Pressure Pipe Manufacturing License (TS), underscoring our commitment to excellence.
Weldpi Pipe Industry holds the distinguished exclusive authorization from the American Hastelloy Company in China. This privileged collaboration is driven by innovation and excellence in producing Hastelloy long products, setting us apart as leaders in the industry.
Our unwavering commitment is to meticulously craft superior quality products. We pledge to provide swift and dependable piping solutions and services, ensuring our global customers receive unparalleled excellence 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