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ASTM A709

The ASTM A709 is the Standard Specification for Structural Steel for Bridges and encompasses carbon, high-strength low-alloy, and quenched and tempered alloy steels used as structural plates in the construction of bridges. SSAB offers the following five grades of A709; 36, 50, 50W, HPS 50W and HPS 70W. The three weather grades of 50W, HPS 50W, and HPS 70W have an ASTM G101 enhanced Atmospheric Corrosion Resistance Index of ≥6.0.

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    Product Name Dimensions Datasheet
    ASTM A709 Grade 36 T: 0.1875 - 3.00 in
    L: 240 - 1200 in
    W: 72 - 120 in
    ASTM A709 Grade 50 T: 0.1875 - 3.00 in
    L: 240 - 1200 in
    W: 72 - 120 in
    ASTM A709 Grade 50W T: 0.1875 - 3.00 in
    L: 240 - 1200 in
    W: 72 - 120 in
    ASTM A709 Grade HPS 50W T: 0.50 - 2.00 in
    L: 240 - 1200 in
    W: 72 - 120 in
    ASTM A709 Gade HPS 70W T: 0.750 - 2.00 in
    L: 240 - 1176 in
    W: 72 - 120 in
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