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See Chinese contents: YB/T 153-2015 YB/T 153-2015: Standard diagrams for macrostructure and defects in high quality structural steel continuous casting blank
This standard specifies morphology features, causes, rating principles, assessment methods and test reports of macrostructure-defects in high quality structural steel continuous casting blank. This standard applies to the assessment of cross-section acid etching macrostructure defects in high-quality carbon structural steel, alloy structural steel and spring steel continuous casting blank. Negotiated by both parties of supply-demand, it can also be used to evaluate other steel continuous casting blank.
