... ,Name: Carbon steel stamping part with black oxide coating;Carbon steel stamping part;Stamping part with balck ... oxide coating 2,For the similar stamping part,what ... 9,12.9,etcCarbon steelGr.B,Gr.C,Gr.D,Gr.36,Gr.58,1010,1015,1016,1020, ... &6+ ) plated,anodic oxidation,etc Dip plating black oxide coating,hot dip galvanizing,etc Flame plating Light oil,spray ...