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See Chinese contents: GB/T 2523-2022 GB/T 2523-2022: Measuring method of surface roughness, peak count and waviness for cold-rolled metal sheet and strip
This document specifies the principle, specimens, measurement requirements, measurement procedures, rounding of measurement values and test reports for surface roughness, peak count and waviness for cold-rolled metal sheet and strip. This document is applicable to the measurement of surface roughness, peak count and waviness for cold-rolled metal sheet and strip. It is also applicable to the cold-rolled metal sheet and strip with surface metal coating.
