La description
•Product Specification and technical
data
•inner
Diameter ：*****0  Â
•Effective
length：****0mm       Â
•Hardness of
quenching and tempering：HB**0°ï½ž**0°Â
•Hardness of
nitration：HV**0°ï½ž***0°Â
•Depth of
Nitrated Layer：0.*5～0.7mm   Â
•Fragility of
nitration：≤GradeÂ
2Â Â Â Â Â Â
•Surface
roughness ：Ra0.4       Â
•straightness：0.**5mm     Â
•Hardness of
Cr-coating Layer：HV≥**0HV
•Nitrided
layer
thickness：0.*5～0.*0mm   Â
•Thickness of
Cr-coated Layer：0.8～2.0mm       Â
:
•Hardness of
bimetallic alloy：HRC*6°ï½ž*5°(Ni-based
alloy)
•Material
:quality alloy
steels
•â‘Â
*8CrMoALA(JIS SACM**5)
•â‘¡ *2CMo(JIS
SCM**0)
•â‘¢
9Cr*8MoV
•â‘£
CW6Mo5Cr4V2
•Heat-treatment:
Nitriding
treatment
•Electroplated
hard-chrome finish Â
•High-frequency
quenching
•Spray coating
Bimetallic-alloy
•vacuum
quenching
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