Types of Forgings
- Open-Die Forging: In this method, metal is artfully deformed between flat or even contoured dies, perfectly catering to large, simple shapes. This approach endows the material with superior strength and exceptional ductility.
- Closed-Die Forging: Here, the metal is gracefully enclosed within a die cavity, compelling it to conform to the precise shape of the die. This method excels at crafting intricate geometries and ensuring tighter tolerances.
- Hot Forging: By heating the metal beyond its recrystallization temperature, its malleability is enhanced, allowing for easier deformation. This method is particularly prevalent in large-scale production, ensuring efficiency and quality.
- Cold Forging: Shaping the metal at room temperature fortifies its strength through work hardening, though it may necessitate higher forces. This technique is ideal for achieving robustness and precision.
Process
The art of forging typically encompasses several meticulous steps:
- Heating: The metal is heated to the optimal temperature essential for the forging process, preparing it for transformation.
- Shaping: The expertly heated metal is then elegantly shaped using sophisticated mechanical presses or hammers, bringing designs to life.
- Cooling: Subsequent to shaping, the forged masterpiece is allowed to cool, a process sometimes complemented by advanced heat treatments to enhance material properties.
- Finishing: To meet the final, exacting specifications, additional processes such as precision machining or surface treatments are applied, sealing perfection in every detail.
Dimensions
Forged components boast remarkable versatility in size, extending from minute fasteners to grand structural parts. Standard dimensions range from several millimeters to multiple meters, tailored to suit diverse applications and requirements.
Applications
Renowned for their unmatched strength, durability, and reliability, forgings are indispensable in industries including aerospace, automotive, and construction, where performance is paramount.

Wuxi Weldpi Stainless Steel Pipe Manufacturing Co., Ltd. stands as a beacon of unparalleled excellence, spearheading innovations and setting benchmarks in the stainless steel, titanium, and nickel alloy welded pipe industry with unmatched distinction.
Endorsed by the renowned Haynes International, Inc., we rigorously comply with the stringent ISO9001:2001 quality management system, ensuring our products embody the pinnacle of quality and unwavering dependability.
Our impressive credentials reflect our unwavering dedication to excellence, proudly boasting the prestigious EU EN3.1 certificates alongside the TS pressure pipeline component manufacturing license. Our welding standards consistently meet and often surpass the highest international benchmarks, including the esteemed TUV certifications.
We are steadfast in our commitment to delivering swift, dependable, and innovative metal pipeline solutions, fostering trust and satisfaction among our valued global clientele.




Our Our factory boasts a state-of-the-art production line specifically designed for alloy steel pipes, ensuring excellence at every stage. From the meticulous evaluation of raw materials to rigorous final product approval, including PMI material re-inspection and comprehensive experimental data validation, we adhere to an exhaustive SOP process. Our welding operations are conducted with precision, strictly following WPS and PQR standards, guaranteeing impeccable quality assurance.
We are equipped with innovative manufacturing technology, featuring Dutch DELEM CNC bending machines that handle thicknesses ranging from 2mm to 100mm effortlessly. Our lineup includes Austrian Fronius welding machines, Japanese FANUC welding robots, and sophisticated laser welding seam guidance and tracking systems. This robust and automated welded pipe production line ensures unmatched product uniformity and outstanding reliability.
Weldpi has achieved numerous highly esteemed domestic and international certifications, including the prestigious EU ISO9001 quality management system certification, TUV welding certification, and the esteemed China Pressure Pipe Manufacturing License (TS).
Weldpi Pipe Industry takes great pride in holding the exclusive authorization from the renowned American Hastelloy Company in China, paving the way for collaborative innovation and the production of high-quality Hastelloy long products.
Our unwavering commitment lies in delivering unparalleled quality products. We are devoted to providing rapid, reliable piping solutions and services to our global clientele, ensuring satisfaction and 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