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    Main Products
    Products Grade: B7
    Specifications: φ5.5-38mm
    Applied Standard:  agreement
    Characteristics: Cold Forging Steel
    Applications: High strength fastenerCommon parts
    Use of Products: This grade has the feature of stable chemical composition, low harmful elements, minor decarburization, good surface quality,homogeneous properties along the coil, good plasticity and ductility.