• CAT MINH TECHNOLOGY EQUIPMENT CO., LTD
    ASTM A490 Bolt
    ASTM A490 Bolt

    Price: Contact

      Mã số nhà sản xuất: CM-ASTM-A490 Mã số đặt hàng:
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    Note: In 2016, ASTM A490 was officially withdrawn and replaced by ASTM F3125, in which A490 now becomes a grade under the F3125 specification.  The F3125 specification is a consolidation and replacement of six ASTM standards, including; A325, A325M, A490, A490M, F1852, and F2280.  We are choosing to keep this technical information about the now obsolete A490 specification on our website for reference and informational purposes only.

     

    Prior to its withdrawl in 2016, the ASTM A490 specification covered quenched and tempered, alloy steel, heavy hex  structural bolts from 1/2″ diameter through 1-1/2″ diameter with a minimum 150 ksi tensile. These bolts are intended for use in structural connections and therefore have shorter thread lengths than standard hex bolts. Refer to the Structural Bolts page of our site for thread lengths and other related dimensions. A490 bolts are similar in application and dimensions to A325 heavy hex structural bolts but are made from an alloy steel rather than a medium carbon steel, resulting in a higher strength fastener. The A490 specification is applicable to heavy hex structural bolts only. ASTM A490 bolts shall not be coated by hot-dip galvanizing, mechanical deposition, or electroplating with zinc due to the potential risk of hydrogen embrittlement. ASTM has approved coating A490 bolts with Zinc/Aluminum Corrosion Protective Coatings per ASTM F1136 Grade 3, commercially called dacromet. 

    A490 TYPE

    TYPE 1 Medium carbon and alloy steel.
    TYPE 2 Withdrawn 2002.
    TYPE 3 Weathering steel.
       
    M Metric A490

     

    A490 Mechanical Properties

    Size Tensile, ksi Yield, ksi Elong. %, min RA %, min
    1/2 - 1/2 150 - 173 min 130 min 14 40

     

     

     

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