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Category: Standards, Specifications & Grades (page 12)

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  1. Specifying stainless steel for spring applications

    BS EN 10151, (strip), and BS EN 10272-3, (wire), for springs are outlined. The grades in each standard are tabulated and compared to the BS 5770-4 and BS 2056 which they replace, where grades such as 301S21, 301S81, 302S26, 302S25 and 305S11 were specified. Grades listed include 1.4016, 1.4021, 1.4028, 1.4031, 1.4568, (17/7 PH type), 1.4310, 1.4301, 1.4401, 1.4369, 1.4372 and 1.4568 Mechanical properties in the cold worked, (temper rolled for strip, drawn for wire), conditions are shown. Heat treated properties for precipitation hardening grade 1.4568 wire are also shown.

  2. Stainless Steel BS EN ISO 3506 Fastener Grades A1, A2, (A3), & A4 (A5)

    BS EN ISO 3506 replaces BS 6105. Part 1 covers bolts, screw and studs, part 2 nuts and part 4 tapping screws. The chemical compositions are common to the various parts. Austenitic grades A1, A2 and A4 are shown and compared to bar grades 303, 304, 349S17, 316 and 394S17. Mechanical properties for property class 50 70 and 80 austenitic bolts and studs and property class 20H, 25H, 30H and 40H tapping screws are tabulated and the fastener designations, such as A2-70 and A4-25H described. Duplex FA, (ferritic-austenitic similar to 1.4462, (2205), of EN 10088-1), is a likely future grade for inclusion in the standard. Fastener grade selection is covered in annexes to the standards. The standards lists grades 1.4439, 1.4539, (904L), 1.4529, (6% molybdenum austenitic) and 1.4462, (2205) as suitable for reducing the risk of chloride induced stress corrosion cracking failures in applications such as indoor swimming pools.

  3. Stainless Steel Datasheets for Tubular Products

    A summary of datasheets for tubular products

  4. Stainless steel fasteners

    Stainless steel bolts, screws, studs and nuts are specified to BS EN ISO 3506. The chemical composition and mechanical properties of austenitic, martensitic and ferritic grades are covered

  5. Stainless Steel Grades Datasheets

    Summary of links to websites for download of stainless steel grade datasheets

  6. Stainless steel sections for structural applications

    This article describes what types of structural stainless steel sections are available and how they can be procured. It outlines what sections are available ex-stock and which may need to be made-to-order. Ranges of dimensions for hollow and bar sections are given.

  7. Stay Bright – A History of Stainless Steels in Britain by David Dulieu

    Stay Bright traces the story of the development, production and use of high chromium stainless, corrosion and heat resisting steels in Britain.

    Stay Bright chronicles the fortunes of the British companies manufacturing stainless steels; it tracks international alliances and rivalries and charts the history through times of economic boom and recession. It follows the twists of fate of those involved through world war, cold war, nationalisation and the impact of globalised industrial manufacturing.

    Few materials can claim to have made such an impact on modern life; this is how they did it in Britain.


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  8. Tolerance for Cold Rolled Wide Strip (EN10259)

    Flat products, (plate sheet coil and strip), tolerance standards are outlined. These include EN10029, EN10048, EN10051, EN10258 and EN10259. Thickness, width length, flatness, out of square and edge camber tolerances to EN10259 are discussed along with the advantages of the EN tolerance standards. Notes for ordering stainless steel using EN10259 to standards EN10088 part 2, EN10095, EN10302 and EN10028 part 7 are also included.

  9. Tolerances – Proposed New Standards for Stainless Steel Flat Products

    This is a general introduction to the proposed ISO standards for hot rolled and cold rolled stainless steel flat products. They are intended to replace EN 10258 for Cold rolled narrow strip, EN 10259 for Cold rolled wide strip, EN 10048 for hot rolled narrow strip, EN 10051 for hot rolled wide strip and EN 10029 for hot rolled quarto plate.

  10. Tolerances to BS EN 10058 for hot rolled flat stainless steel bars

    Width, thickness, straightness and ‘out-of-section’ tolerances for flat bars are tabulated along with notes on measurement methods.

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