QDN01_11 - Steel ball - Yiheda 3D Electronic Gallery

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Company	Yiheda 3D Electronic Gallery
Description	QDN01_11 - Steel ball
Bill of material	QDN02-6
Code	QDN02 QDN02
Types of	Metric Metric
Material	9Cr18Mo 9Cr18Mo
Material	SUS440C SUS440C
hardness	- -
standard	GB/T308.1-2013
specification	6 6
SD	6 6	mm
Tolerance (??m)	-
Sphericality (??m)	0.4
Diameter deviation (??m)	0.4
Diameter variation per batch (??m)	0.8
Surface roughness (??m)	0.032
website	website link