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 ��20-�300
Effective length�12000mm
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 alloy�HRC56°�65°(Ni-based alloy)
Material :quality alloy steels
�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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