Types of Forgings
- Open-Die Forging: This dynamic process involves deforming metal between flat or intricately contoured dies. Ideal for creating robust, large, and uncomplicated shapes, it ensures exceptional strength and superb ductility in the final product.
- Closed-Die Forging: In this precision-driven method, metal is completely enclosed within a die cavity and pressed into a desired shape. It supports the crafting of intricate geometries and assures tighter tolerances, perfect for detailed designs.
- Hot Forging: By heating metal above its recrystallization temperature, this technique facilitates easier deformation. It is a staple in large-scale production, balancing efficiency with quality output.
- Cold Forging: Shaping metal at ambient temperatures, this method reinforces strength via work hardening. Although it demands higher forces, the outcome is a remarkably strengthened component.
Process
The forging process typically encompasses several meticulous steps:
- Heating: Metals are precisely heated to the optimal temperature, setting the stage for the forging process.
- Shaping: Utilizing mechanical presses or hammers, the heated metal is expertly molded into the desired shape, ensuring consistency and precision.
- Cooling: Post-shaping, the forged component is allowed to cool, often accompanied by a heat treatment to enhance material properties.
- Finishing: Final touches, including machining or surface treatments, are meticulously applied to meet exact specifications and enhance the product's finish.
Dimensions
Forged components exhibit a remarkable range in size, spanning from tiny fasteners to vast structural elements. Standard dimensions can vary from mere millimeters to several meters, tailored to suit specific applications.
Applications
Celebrated for their unmatched strength, durability, and reliability, forgings find widespread application in industries like aerospace, automotive, and construction, underpinning a multitude of critical operations.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, proudly leading the stainless steel, titanium, and nickel alloy welded pipe industry with unmatched distinction. We are recognized for setting industry benchmarks and pioneering advancements that set us apart from the competition.
With the prestigious endorsement of Haynes International, Inc., we are committed to strictly adhering to the rigorous ISO9001:2001 quality management system. This dedication guarantees our products' unmatched quality and dependability, positioning us as a trusted leader in the field.
Our distinguished credentials are a testament to our relentless pursuit of excellence and quality. We boast the illustrious EU EN3.1 certificates and the TS pressure pipeline component manufacturing license. Our welding standards are exemplary, consistently meeting and often surpassing premier international criteria, such as TUV certifications, ensuring that our products are of the highest caliber.
Our unwavering commitment is to provide expedited, reliable, and cutting-edge metal pipeline solutions to our cherished global clientele. We strive to exceed expectations through innovation, precision, and exceptional service, reinforcing our reputation as industry leaders.




Our Our factory showcases an extraordinary, state-of-the-art production line specifically for alloy steel pipes. From the meticulous evaluation of raw materials to the final product's impeccable approval, each stage is governed by rigorous PMI material re-inspection and comprehensive experimental data validation. We adhere strictly to an all-encompassing SOP process, with our welding techniques meeting the highest WPS and PQR standards to ensure nothing less than the finest quality assurance.
We are equipped with leading-edge manufacturing technology, which includes the Dutch DELEM CNC bending machines, proficiently managing thicknesses ranging from 2mm to an impressive 100mm. Our robust production line is further strengthened by Austrian Fronius welding machines, Japanese FANUC welding robots, and sophisticated laser welding seam guidance and tracking systems. This extraordinary automated welded pipe production line ensures unparalleled uniformity and reliability of our products.
Weldpi has proudly achieved numerous prestigious domestic and international certifications, exemplified by the esteemed EU ISO9001 quality management system certification, the TUV welding certification, and the China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry holds the distinguished honor of being the sole entity in China with exclusive authorization from the illustrious American Hastelloy Company to innovate, collaborate, and manufacture exceptional Hastelloy long products.
Our steadfast commitment is to the creation of superior quality products, with a relentless dedication to providing fast and reliable piping solutions and services to 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