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HELP_VARIABLE
CODE
code
QDN04
TYPE
type
Metric
MAT1
National standard material
Q235
MAT2
equivalent material
SS400
HARDNESS
hardness
50~55HRC
STANDARD
standard
GB/T308.1-2013
SPE
Specification
SD
sd
0.8000
TOLERANCE
tolerance
±25 um
SPHERICITY
sphericity
5 um
DIAMETER
Diameter deviation
5 um
DIAMETER2
Diameter variation per batch
10 um
SURFACE
Surface roughness
0.2 um
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weblink
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