技術參數(shù)
調(diào)質(zhì)硬度:HB280-320
氮化硬度:HV850-1000
氮化層深度:0.45value="0.7" hasspace="False" negative="True" numbertype="1" tcsc="0" w:st="on">-0.7mm
氮化脆度≤二級
表面粗糙度:Ra 0.4
螺桿直線度:value="0.015" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on">0.015mm
氮化后表面鍍鉻層硬度:≥900HV
鍍鉻層厚度:0.025value="0.1" hasspace="False" negative="True" numbertype="1" tcsc="0" w:st="on">-0.10mm
雙合金硬度:HRC50-65