技术参数
调质硬度:HB280-320
氮化硬度:HV850-1000
氮化层深度:0.45value="0.7" hasspace="False" negative="True" numbertype="1" tcsc="0" w:st="on">-0.7mm
氮化脆度≤二级
表面粗糙度:Ra 0.4
螺杆直线度:value="0.015" hasspace="False" negative="False" numbertype="1" tcsc="0" w:st="on">0.015mm
氮化后表面镀铬层硬度:≥900HV
镀铬层厚度:0.025value="0.1" hasspace="False" negative="True" numbertype="1" tcsc="0" w:st="on">-0.10mm
双合金硬度:HRC50-65
