I have always been of the presumption that to eliminate hydrogen embrittlement in hardened bolts that have been zinc plated it is necessary to bake them after plating. I am being told by our QC guy that it is not recommended to plate the bolt at all as complications can still result even if they...
I'm having trouble finding this for one of my customers and a material call out they need for a washer.They are requesting SPC590 for the part. They were using DC01-C490 but changed the spec to a SPC590. My manufacture has no idea what the spec is and I need an answer to clarify my manufacturer...