Zhejiang Ruimai Stainless Steel Tube Co., Ltd is a high quality (first class in China) manufacture and supplier of seamless stainless steel tubes and pipes, main products including Stainless Steel Hydraulic Tubing, Stainless steel instrument tubing, Stainless steel heat exchanger tubes, high precision Bright annealed seamless tubes, Fluid line pipe / line pipe，Duplex pipe /super duplex steel pipe, etc. Zhejiang Ruimai stainless steel tubes had been specialized in manufacturing and supplying stainless steel seamless tubes since the year 2005. We moved to the new factory in the year 2011. The main technical team & production team were mainly from the biggest and best seamless stainless steel tubes factory in China, they had specialized in this industrial field for more than 20 years.
Ruimai produce and supply a wide range of stainless steel grades of seamless pipes and tubes, which widely used in oil and gas production facilities, hydraulic systems, heat exchanger and boiler manufacturing, shipbuilding, chemical and power plant installations, and other piping systems.
Ruimai produces and supply most popular duplex steel pipes and seamless super duplex stainless steel pipe.
We only use prime quality raw materials. The raw materials are from the top quality Chinese steel maker or from famous steel makers in the world such as Aotokump, Sandvik, ect.
1) Size Range of duplex pipe / super duplex stainless steel pipe:
Outside diameter 6~273mm X Wall thickness 0.5~20mm
2) Available Materials of duplex steel pipes / super duplex stainless steel pipe:
UNS S31500,S31803,S32205,S32760,S32750, 904L etc
EN /DIN 1.4462, 1.4510, 1.4539
Besides stainless steel tubes, Ruimai is able to produce a wide range of nickel alloy steel seamless tubes and titanium alloy tubes. Products are widely used in Petroleum industry, Oil, chemical industries.