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Catalog
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Standard
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Specification
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Grade
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Thickness/mm
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State of delivery
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Note
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Main application
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Quality Carbon Structural Steels
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GB/T 711-2008
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20#
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-
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6-50
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AR
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For guaranteed cost steel heat treatment can be performed
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Used in tempering, HR. and widely used in machinery, automobile, mould, etc.
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