special section tubes

API(American Petroleum Institute),API 5L Line Pipe,API 5D

The American Petroleum Institute, commonly referred to as API, is the largest U.S trade association for the oil and natural gas industry.[……]

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MSS SP-75 – Specification for High-Test, Wrought, Butt-Welding Fittings

MSS SP-75 specification covers factory-made, seamless and electric welded carbon and low alloy steel, butt-welding fittings for use in high pressure gas and oil transmission and distribution systems, including pipelines, compressor stations, metering and regulating stations, and mains.[……]

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Description of DIN EN 10216 and 10217

DIN EN 10216 and 10217 are important that the purchaser, at the time of enquiry and order, takes in account the requirements of the relevant national legal regulations for the intended application.[……]

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ASTM standard classifications for Steel

The American Society for Testing and Materials (ASTM) was established in the 1800s to work with the steel mills in Pennsylvania to regulate the production of steel used in the nation’s industrial revolution.[……]

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