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See Chinese contents: Q/BQB 151-2018 Q/BQB 151-2018: Continuous casting round billet
This Standard specifies the dimension, appearance, weight, allowable deviation, technical requirements, inspection and test, packaging, marking and inspection documents of continuous casting round billet. This Standard is applicable to continuous casting round billet of superior carbon structural steel and alloy steel that are manufactured by Baoshan Iron and amp; Steel Co., Ltd.
