Q235B steel plate

Q235B steel plate

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ASTM A36 Steel plate equivalent grade is Q235B in China. The two equivalent steel grades have much in common without any doubt. However, you will get to know that there are many difference between ASTM A36 steel plate and Q235B steel plate also if you check carefully the technical data comparison between Q235B and A36 as below :

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    • Commodity name: Q235B steel plate

    ASTM A36 Steel plate equivalent grade is Q235B in China. The two equivalent steel grades have much in common without any doubt. However, you will get to know that there are many difference between ASTM A36 steel plate and Q235B steel plate also if you check carefully the technical data comparison between Q235B and A36 as below :

    Chemical Composition

    Grade Chemical composition %
    C Si Mn P S Cu
    Q235B 0.2 max 0.35 max 1.40 max 0.045 max 0.045 max -
    A36 0.26 max 0.40 max - 0.04 max 0.05 max 0.20 min

    Mechanical Property

    Grade Yield strength ReH/(N/mm2) (t≤16mm) min Tensile strength Rm/(N/mm2) (3mm≤t≤16mm) Elongation A/% (3mm≤t≤40mm) min Charpy V test
    Temperature/℃ Impact energy (Longitudinal)/J min
    Q235B 235 370-500 26 20 27
    A36 250 400-550 23 - -
    Key words:
    • Q235B steel plate

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