DIN 17210 PDF

Alloying elements which are effective in modifying steel properties when present in such small amounts include boron, vanadium and niobium and boron in even lesser amounts 0. Micro-alloyed steels are manufactured in Large tonnages for high pressure pipelines in the petroleum industry and automotive forgings. A major advantage of these steels is that in the case of forgings, careful control of forge processing temperatures can eliminate subsequent heat treatment. This is a major cost advantage particularly with certain automotive components. Mechanical properties developed by controlled hot working conditions are similar to those developed by conventional hardening and tempering treatments for components where strength and toughness are required BS - Steel Tubes and Tubulars Suitable for Screwing to Bs 21 Pipe Threads Replaced by BS EN Non-alloy steel tubes suitable for welding or threading.

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Tube surface Tubes are supplied normally without anti-corrosive treatment, but anti-corrosive treatment is available and is carried out on request. Packaging Tubes are bundled as standard, with steel straps into hexagonal bundles with one end flush.

Length sorting can be carried out on request. Tubes can also be bundled in multiples. Bundle weights are adjusted as requested by the customer. Marking Each tube is marked with tube type, heat number, steel grade and size. Information is repeated along the whole length of the tube.

Other markings, such as stamping, can be made on request. Bundles are also labeled with a tag having info both alphanumeric and by bar code. Labelling Material delivered direct from our mill is labeled in accordance with automotive standard, ie with both alphanumeric and bar code information.

Customer specific data can be added on request. It covers black and galvanized welded and seamless pipe for flanging, bending, and coiling and for use with fresh water, oil, steam, air, and gas on shore plus a limited number of shipboard uses.

Mills can certify that A pipe in a distributor-s stock meets all the requirements of WWPc. C covers black welded and seamless pipe intended for the conveyance of water in sizes 6 inch and larger. Specification prescribes hydrostatic test pressures for sizes of pipe covered.

Tensile, flattening, and bending tests are required. ASME B Covers design, fabrication, installation, inspection, testing, and the safety aspects of operation and maintenance of gas transmission and distribution systems. Designates dimensions, weights, and schedule numbers for welded and seamless pipe.

Designates dimensions, weights, and schedule numbers for welded and seamless Stainless Steel Pipe, Schedules 5 through Schedules M covers black and galvanized welded and seamless pipe intended for coiling, bending, flanging, and other special purposes and is suitable for welding.

Purpose for which pipe is intended should be stated on orders. M covers black and galvanized welded and seamless pipe for ordinary uses in steam, water, gas, and air lines. Pipe to this specification is not intended for close coiling, bending, or high temperature service.


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