GB T 4171 Q265GNH cort EN hot rolled steel plate width

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    GB T 4171 Q265GNH cort EN hot rolled steel plate width

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    Q500NH coil steel GB 4171 Q500NH coil product steel coil ...

    BBN is a professional Q500NH coil steel GB 4171 Q500NH coil product steel coil ... Steel Plate GB/T 4171 Q235NH, Q265GNH, ... EN 10025-2 which is hot rolled steel ...
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