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  2. Pitting corrosion - Wikipedia

    en.wikipedia.org/wiki/Pitting_corrosion

    The process of pit nucleation is initiated by the depassivation of the protective oxide layer isolating the metal substrate from the aggressive solution. The depassivation of the protective oxide layer is the less properly understood step in pitting corrosion and its very local and random appearance probably its most enigmatic characteristic.

  3. ASTM A53 steel - Wikipedia

    en.wikipedia.org/wiki/ASTM_A53_steel

    Scope of ASTM A53 Standard ASTM A53 is standard specification for pipe, steel, black and hot dipped, zinc-coated, welded and seamless. This specification covers seamless and welded black and hot-dipped galvanized steel pipe in NPS 1⁄8 to NPS 26 [DN 6 to DN 650] (Note 1), inclusive, with nominal wall thickness (Note 2) as given in Table X2.2 ...

  4. Hollow structural section - Wikipedia

    en.wikipedia.org/wiki/Hollow_structural_section

    In the recent past, HSS was commonly available in mild steel, such as A500 grade B. Today, HSS is commonly available in mild steel , A500 grade C . Other steel grades available for HSS are A847 (weathering steel), A1065 (large sections up to 50 inch sq made with SAW process), and recently approved A1085 (higher strength, tighter tolerances than ...

  5. Steel grades - Wikipedia

    en.wikipedia.org/wiki/Steel_grades

    The next set of 3 digits gives the steel's minimum yield strength. So S355 has a minimum yield strength of 355 MPa for the smallest thickness range covered by the relevant standard – i.e. EN10025. [2] Below is a table indicating the most common application codes.

  6. ASTM A500 - Wikipedia

    en.wikipedia.org/wiki/ASTM_A500

    ASTM A500 is a standard specification published by the ASTM for cold-formed welded and seamless carbon steel structural tubing in round, square, and rectangular shapes. It is commonly specified in the US for hollow structural sections, but the more stringent CSA G40.21 is preferred in Canada.

  7. List of referred Indian Standard Codes for civil engineers

    en.wikipedia.org/wiki/List_of_referred_Indian...

    IS: 1786 – cold-worked HYSD steel rebars (grades Fe415 and Fe500). IS: 432; 226; 2062 – mild steel of grade I. IS: 432; 1877 – mild steel of grade II. IS: 1566 – specifications for hard drawn steel wire fabric for reinforcing concrete. IS: 1785 – specifications for plain hard drawn steel wire fabric for prestressed concrete.

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  9. ABS Steels - Wikipedia

    en.wikipedia.org/wiki/ABS_Steels

    ASTM A131 Material Properties, as Required by ABS for Steel Materials [2] ABS Grade ... Per Steel Vessel Rules Part 2 Chapter 1 Section 3 Table 2 (pg 36). Forms

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