氮化层深度:0.5-0.8mm Depth of nitration case : 0.5-0.8mm |
氮化硬度:950-1020HV Hardness of nitration: 950-1020HV |
氮化脆度:≤一级 Fragility of nitration: Less than grade 1 |
表面粗糙度:Ra0.4um Roughness of the surface: Ra 0.4un |
螺杆直线度:0.015mm Lineatity of the screw: 0.015mm |
双合金硬度:HRC55-62 Hardness of double alloys :HRC55-62 |
双合金深度:》2mm Depth of double alloys:》2mm |