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International Standard

There are many international standard steel pipes, such as ASTM/ASME standard, EN standard, DIN standard, JIS, and so on. ASTM refers to American Society for Testing and Materials. ASME is the abbreviation of American Society of Mechanical Engineers. EN standard refers to European Standard. DIN is the short form of Deutsches Institut für Normung e.V. JIS is referred to Japanese Industrial Standards. Our products are manufactured in strict accordance with those international standard steel tubes. JST seamless steel pipes are extensively used in metallurgy, port, ship-breaking, manufacturing, real estate, chemical engineering, transportation and other industries.

  • ASTM Standard/ASME StandardASTM is the abbreviation of American Society for Testing and Materials. Founded in 1898, ASTM is one of the American oldest and largest nonprofit standard academic communities, predating other standards organizations such as DIN (1917), ANSI (1918) and AFNOR (1926)...
  • EN StandardEN standards, also called European standards, have been adopted by one of the three recognized European Standardisation Organisations (ESOs) including CEN, CENELEC or ETSI. It is produced by all interested parties through a transparent, open and consensus based process...
  • DIN StandardDIN stands for “Deutsches Institut für Normung”. It means “German institute for standardization”. Founded in 1917, it is not only a German national standardization organization, but also a member agency on behalf Germany membership in ISO. It is headquartered in Berlin...
  • JIS StandardJIS standards refer to Japanese Industrial Standards. The standardization process is coordinated by Japanese Industrial Standards Committee and published by Japanese Standards Association. This standard is the most important and most authoritative standard in Japan national standards...

Jiangyin Changjiang Steel Tube Making Factory is a leading supplier and exporter of seamless steel tubes in China. Our company is a large scale enterprise possessing the production capacity of 600,000 tons of special seamless steel pipes. We mainly manufacture structure pipe, fluid pipe, high pressure boiler pipe, API pipe, marine pipe, alloy pipe, tubing, casing, line pipe, etc. The international standard steel pipes make our seamless steel pipes well received. Our products have been exported to the Middle East, CIS, Southeast Asia, Africa, South America, North America, Europe, Australia and many other countries and regions.

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