Zhengzhou, China
We are a modern manufacturing enterprise specializing in the R&D, production, and sales of high-quality seamless stainless steel pipes. With many years of deep expertise in the stainless steel materials field, we are committed to providing global customers with safe, reliable, and high-performance industrial piping solutions. Our product range covers multiple series, including austenitic and duplex stainless steels. Main grades include 304/304L, 316/316L, 321, 310S, 2205, etc., which are widely used in industries such as petrochemical, natural gas transmission, power and energy, shipbuilding, machining, and pressure vessels.
The company is equipped with advanced production equipment and a complete set of manufacturing processes, covering the full workflow from piercing, hot rolling, cold drawing (cold rolling), solution annealing, straightening, to non-destructive testing, ensuring that our products meet internationally advanced levels in dimensional accuracy, surface quality, and mechanical properties. We strictly implement international standards such as ASTM, ASME, EN, DIN, and JIS, and can also provide customized production services according to customer requirements to meet the demands of different operating conditions.
We are a professional stainless steel pipe manufacturer, providing high-quality seamless stainless steel pipes in austenitic, duplex, large-diameter, small-diameter, and marine applications. Custom production is available at competitive prices with fast delivery.
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duplex seamless pipe duplex stainless st...
Seamless stainless s... austenitic stainles...
ASTM A312 TP316 stai... TP316 seamless stai...
316L stainless steel... 316L seamless stain...
ASTM A312 TP304 seam... ASTM A312 TP304 sta...
HAOMEI's seamless stainless steel pipes are widely used in the oil and gas, chemical, marine engineering, and construction industries. Superior quality, reliable performance, and extensive global project experience ensure customer satisfaction.
Before purchasing marine 316L seamless stainless steel pipes, users should first clarify the pipe application, dimensions, design pressure, design temperature, medium, and certification requirements before determining the final wall thickness.
2026-08-18HAOMEI's 4-inch SCH 80 seamless stainless steel tubing, available in various stainless steel materials such as 304, 304L, 316, and 316L, can meet the diverse application needs, from general industrial fluids to highly corrosive media.
2026-08-14Pickled 316L seamless stainless steel pipe undergoes acid pickling to remove oxide scale and surface contaminants. It offers excellent corrosion resistance, high strength, good weldability, and a clean, uniform surface finish.
2026-08-11TP316L hot-rolled seamless stainless steel pipe is specially designed for marine and offshore engineering applications. It offers excellent corrosion resistance, high strength, and superior weldability, and is available with DNV GL classification certific
2026-08-07