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.
marine stainless ste... seamless stainless...
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.
Marine-grade TP316L stainless steel seamless pipes are available with CCS/DNV/LR marine inspection certificates. Outside diameter range: 6–426 mm; wall thickness range: 0.8–30 mm. Full Schedule options include SCH 5S, SCH 10S, SCH 40S, and SCH 80S.
2026-10-23ASTM A312 hot rolled 304 / 316L stainless steel seamless pipes with RINA classification certification. Complete export documentation and marine inspection documents are available. Suitable for shipbuilding, offshore engineering, and other demanding appli
2026-10-20Marine-grade stainless steel seamless pipes have extremely demanding quality requirements. Strict control is required throughout the entire process, from material selection and manufacturing processes to inspection standards and application requirements.
2026-10-16We supply 2 inch marine-grade seamless stainless steel Schedule 80 pipes in 304/304L, 316/316L, and other materials. Suitable for ship piping systems, cooling systems, fuel lines, and offshore engineering applications.
2026-10-13