Company Information
Member Since 8 Years
Nature of Business Supplier Year of Establishment 1992Ask for more detail from the seller
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Product Specification and technical data
inner Diameter��45-�300
ratio of length to diameter�L/D=8�20
Hardness of quenching and tempering�HB240°�280°
Hardness of nitration�HV850°�1000°
Depth of Nitrated Layer�0.45�0.7mm
Fragility of nitration�� Grade 2
Surface roughness�Ra0.4
straightness�0.015mm
Hardness of Cr-coating Layer�HV�900HV
Nitrided layer thickness�0.05�0.10mm
Thickness of Cr-coated Layer�0.8�2.0mm
Hardness of bimetallic�HRC56°�65°�Ni-based alloy�
material : quality alloy steel
�38CrMoALA(JIS SACM645)
� 42CMo(JIS SCM440)
� 9Cr18MoV
� CW6Mo5Cr4V2
Heat-treatment�
Nitriding treatment
Electroplated hard-chrome finish
High-frequency quenching
Spray coating Bimetallic-alloy
vacuum quenching
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