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Bearing steel

DIN
ASTM
JIS
GB
Factory hardness
Feature
The main purpose
100Cr6
52100
SUJ2
GCr15
Annealed≤HB255
Quenched and tempered with a high and uniform hardness, good wear resistance.
Precision parts, thimble, precision bearings, stamping die, guide pins and bushings, etc.
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GCr15SiMn
Annealed≤HB255
Higher than GCr15 steel wear resistance and hardenability
Precision parts, thimble, precision bearings, stamping die, guide pins and bushings, etc.