- 0086-137 3873 1708
- info@walmitube.com
What We Do
Walmi is a manufacturer of stainless steel seamless pipe as per ASTM A312, including an extensive material of Austenitic stainless steel, Duplex stainless steel, Super duplex stainless steel and High-alloy austenitic stainless steel.
Sizes range from 12mm to 813mm ( NPS 1/4”, DN8 to NPS 32”DN800) outside diameter with a full pipes schedules ranging from sch5S through double extra heavy.
The pipes are delivered in 5.0m-7.0m random lengths or cut to fixed lengths. But Walmi Stainless Steel can supply stainless seamless pipes in most grades exceeding 13m long. All pipes can be cut to customer’s exact requirements.
Application
Oil&Gas,Petrochemical,Power Generation,Pharmaceutics,Shipbuilding,Chemical,LNG…
Who We Are
Customized production as per PO, producing the very tubes and fittings that meet customers' requirements is our core business. We have 4 factories in China, which are specialized in stainless steel seamless pipes,tubes,fittings and flanges.
Wide in-stock inventory of stainless steel 304 and 316L seamless pipes & tubes in accordance with ASME/ASTM SA/A312. SA/A269 with dimensions and weights in accordance with ASME B36.19. ASME B36.10. Any quantity, Any where, we can delivery !
Variety of value-added services of piping-related products are supplied, including U-bending, cutting, polishing, beveling, deburring, color coding, PE coating, pipes welded with flanges, fittings and valves...Any size, Cut and Ready fast!
Walmi is a full service international distributor of stainless Butt-welding fittings,forged flanges,tubesheet&baffle,valves and many other piping products. We truly are the one-stop stainless steel piping service center.
Walmi Stainless Steel Co.,Ltd and Ms.Mia Wong has been our supplier of top quality stainless steel seamless pipes, tubes and valves for oil & gas application since our project began in 2009. Their work is always professional and on time, it is rewarding to do business with.
Mr.Rommy Rasjid
Director
PT Ragil Putra Mandiri, Indonesia
Seven orders of stainless steel pipes, fittings and flanges in 2017, all of them are delivery fast and on time, no any delay! What’s more, the quality is always excellent, the service is always friendly! Ms.Mia Wong and Walmi Stainless Steel Co.,Ltd is my most trusted supplier in China second to none!
Joe Siervo
Business Development Executive
Marine, Offshore, Oil & Gas Division
KN BAKER, Qatar.
Blog
27
01-2026
As the core component of heat exchange systems, high performance heat exchanger tubes are engineered to overcome the trade-off between heat transfer efficiency and pressure drop, delivering superior thermal performance, corrosion resistance, and durability. Widely deployed in high-demand industries such as oil & gas, power generation, desalination, and petrochemicals, these tubes play a pivotal role in energy conservation and operational reliability.
As the core component of heat exchange systems, high performance heat exchanger tubes are engineered to overcome the trade-off between heat transfer efficiency and pressure drop, delivering superior thermal performance, corrosion resistance, and durability. Widely deployed in high-demand industries such as oil & gas, power generation, desalination, and petrochemicals, these tubes play a pivotal role in energy conservation and operational reliability.
As the core component of heat exchange systems, high performance heat exchanger tubes are engineered to overcome the trade-off between heat transfer efficiency and pressure drop, delivering superior thermal performance, corrosion resistance, and durability. Widely deployed in high-demand industries such as oil & gas, power generation, desalination, and petrochemicals, these tubes play a pivotal role in energy conservation and operational reliability.
19
01-2026
Stainless steel seamless pipe is a critical component in industries like chemical engineering, energy, pharmaceuticals, and marine engineering, thanks to its weld-free structure, high strength, and excellent corrosion resistance. This guide covers everything from production processes and core classifications to performance parameters, selection guidelines, and real-world applications. Equipped with HD images and practical tables, it’s designed to provide in-depth insights for readers while optimizing for Google search visibility.
Stainless steel seamless pipe is a critical component in industries like chemical engineering, energy, pharmaceuticals, and marine engineering, thanks to its weld-free structure, high strength, and excellent corrosion resistance. This guide covers everything from production processes and core classifications to performance parameters, selection guidelines, and real-world applications. Equipped with HD images and practical tables, it’s designed to provide in-depth insights for readers while optimizing for Google search visibility.
Stainless steel seamless pipe is a critical component in industries like chemical engineering, energy, pharmaceuticals, and marine engineering, thanks to its weld-free structure, high strength, and excellent corrosion resistance. This guide covers everything from production processes and core classifications to performance parameters, selection guidelines, and real-world applications. Equipped with HD images and practical tables, it’s designed to provide in-depth insights for readers while optimizing for Google search visibility.
14
01-2026
In modern industrial production and engineering construction, the choice of materials directly affects the success or failure of a project and its long-term operational stability. Especially in processes subjected to harsh conditions such as high pressure, high temperature, and strong corrosion, the application of high-performance materials is particularly important. Thick-walled stainless steel pipes（Stainless steel hollow bar）, with their excellent corrosion resistance, superior mechanical properties, and good processing adaptability, play an indispensable role in many fields. This article will delve into the key characteristics, application scenarios, and industry standards of Thick-walled stainless steel pipes（Stainless steel hollow bar）, and analyze how to choose reliable supply channels to ensure the efficiency and safety of projects.
In modern industrial production and engineering construction, the choice of materials directly affects the success or failure of a project and its long-term operational stability. Especially in processes subjected to harsh conditions such as high pressure, high temperature, and strong corrosion, the application of high-performance materials is particularly important. Thick-walled stainless steel pipes（Stainless steel hollow bar）, with their excellent corrosion resistance, superior mechanical properties, and good processing adaptability, play an indispensable role in many fields. This article will delve into the key characteristics, application scenarios, and industry standards of Thick-walled stainless steel pipes（Stainless steel hollow bar）, and analyze how to choose reliable supply channels to ensure the efficiency and safety of projects.
In modern industrial production and engineering construction, the choice of materials directly affects the success or failure of a project and its long-term operational stability. Especially in processes subjected to harsh conditions such as high pressure, high temperature, and strong corrosion, the application of high-performance materials is particularly important. Thick-walled stainless steel pipes（Stainless steel hollow bar）, with their excellent corrosion resistance, superior mechanical properties, and good processing adaptability, play an indispensable role in many fields. This article will delve into the key characteristics, application scenarios, and industry standards of Thick-walled stainless steel pipes（Stainless steel hollow bar）, and analyze how to choose reliable supply channels to ensure the efficiency and safety of projects.
