Standard Number: YS/T 551-2020(YS/T551-2020)
Chinese:数控车床用铜合金棒
English:Copper alloy rods for CNC lathes
Effective Date:2021-04-01
Standard Applicability:This standard applies to the various industrial sectors of high-speed CNC lathe processing with high precision round, rectangular (square) shape, positive hexagonal copper alloy bar.
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