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Material: high grade alloy steel AISI4140,JIS SCM440or 40 Cr.
Lubricate: good lubricating property with lubricate greaser.
Quench the slipper, rigity can be reach to 45°~50°,cementite quench the pin roll.
Rigidity can be reach to 50°~55°。
Rolling angle: rolling freely without any block ,the angler of two axe’s centerline is 0°~37.
