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Stainless steel 304 and 316 are both types of stainless steel, but they have different properties and applications.Stainless steel 304 is a standard 18/8 stainless steel, meaning it contains 18% chromium and 8% nickel. It is often used in kitchen equipment, food processing, and other applications where corrosion resistance is important.Stainless steel 316, on the other hand, contains 16% chromium, 10% nickel, and 2% molybdenum. This additional molybdenum gives 316 stainless steel better resistance to corrosion, particularly in chloride environments such as coastal areas and areas with de-icing salts. As a result, 316 stainless steel is often used in marine applications, chemical processing, and medical devices.In summary, the main difference between stainless steel 304 and 316 lies in their chemical composition, which gives 316 stainless steel higher corrosion resistance in certain environments.

Yes we accept delivery by train.We established a factory in Shaan Xi Province. It makes delivery to Middle Asia more convenient and quick by train.

Yes at present we have office in Indonesia.and in India.we also plan to make it in South America.

Black pipe is plain steel pipe without any protective coatings. Black pipe is used for a variety of applications around the home. It is very common to see black pipe used for your natural gas line and sprinkler system lines. Since black pipe has no protective coating, it may rust easily in wet or humid environments. To stop the pipe from rusting or corroding on the outside, you should provide a layer of protection on the outside of the pipe. The easiest method is painting it.

RHS stands for Rectangular Hollow Section, that is rectangular steel pipe.We also have square hollow section steel pipe, according to standard: ASTM A500 , EN10219 , JIS G3466 , GB/T6728 cold formed square and rectangular steel pipe.

Generally it is 3-5 days if goods are in stock. or around 25 days if the goods are not in stock and it is according to order requirement.

We can ship the regular specifications to you with LCL service.

Anti-rusted oil painting,varnish painting,ral3000 painted,galvanized,3LPE, 3PP

Q195 = S195 / A53 Grade AQ235 = S235 / A53 Grade B / A500 Grade A / STK400 / SS400 / ST42.2Q345 = S355JR / A500 Grade B Grade CQ235 Al killed = EN39 S235GTL245 = Api 5L / ASTM A106 Grade B

Yes at present we have office in Indonesia.and soon in India.we also plan to make it in South America.